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authorMike Pagano <mpagano@gentoo.org>2022-05-12 07:28:22 -0400
committerMike Pagano <mpagano@gentoo.org>2022-05-12 07:28:22 -0400
commit59a8899d2ec7373d1d01b2cdc9cbeba8511a398f (patch)
treec78eec7ffa18c40ba3c3d082a25d3b44e7d03a5c
parentUpdate Gentoo Hardened patchset based on KSPP thanks to Peter Bo (diff)
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Linux patch 5.15.395.15-43
Signed-off-by: Mike Pagano <mpagano@gentoo.org>
-rw-r--r--0000_README4
-rw-r--r--1038_linux-5.15.39.patch4667
2 files changed, 4671 insertions, 0 deletions
diff --git a/0000_README b/0000_README
index da0799e5..f0426435 100644
--- a/0000_README
+++ b/0000_README
@@ -195,6 +195,10 @@ Patch: 1037_linux-5.15.38.patch
From: http://www.kernel.org
Desc: Linux 5.15.38
+Patch: 1038_linux-5.15.39.patch
+From: http://www.kernel.org
+Desc: Linux 5.15.39
+
Patch: 1500_XATTR_USER_PREFIX.patch
From: https://bugs.gentoo.org/show_bug.cgi?id=470644
Desc: Support for namespace user.pax.* on tmpfs.
diff --git a/1038_linux-5.15.39.patch b/1038_linux-5.15.39.patch
new file mode 100644
index 00000000..d9bd272c
--- /dev/null
+++ b/1038_linux-5.15.39.patch
@@ -0,0 +1,4667 @@
+diff --git a/Makefile b/Makefile
+index 73b884c9baa40..ceb42be114388 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 5
+ PATCHLEVEL = 15
+-SUBLEVEL = 38
++SUBLEVEL = 39
+ EXTRAVERSION =
+ NAME = Trick or Treat
+
+diff --git a/arch/mips/include/asm/timex.h b/arch/mips/include/asm/timex.h
+index b05bb70a2e46f..8026baf46e729 100644
+--- a/arch/mips/include/asm/timex.h
++++ b/arch/mips/include/asm/timex.h
+@@ -40,9 +40,9 @@
+ typedef unsigned int cycles_t;
+
+ /*
+- * On R4000/R4400 before version 5.0 an erratum exists such that if the
+- * cycle counter is read in the exact moment that it is matching the
+- * compare register, no interrupt will be generated.
++ * On R4000/R4400 an erratum exists such that if the cycle counter is
++ * read in the exact moment that it is matching the compare register,
++ * no interrupt will be generated.
+ *
+ * There is a suggested workaround and also the erratum can't strike if
+ * the compare interrupt isn't being used as the clock source device.
+@@ -63,7 +63,7 @@ static inline int can_use_mips_counter(unsigned int prid)
+ if (!__builtin_constant_p(cpu_has_counter))
+ asm volatile("" : "=m" (cpu_data[0].options));
+ if (likely(cpu_has_counter &&
+- prid >= (PRID_IMP_R4000 | PRID_REV_ENCODE_44(5, 0))))
++ prid > (PRID_IMP_R4000 | PRID_REV_ENCODE_44(15, 15))))
+ return 1;
+ else
+ return 0;
+diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
+index caa01457dce60..ed339d7979f3f 100644
+--- a/arch/mips/kernel/time.c
++++ b/arch/mips/kernel/time.c
+@@ -141,15 +141,10 @@ static __init int cpu_has_mfc0_count_bug(void)
+ case CPU_R4400MC:
+ /*
+ * The published errata for the R4400 up to 3.0 say the CPU
+- * has the mfc0 from count bug.
++ * has the mfc0 from count bug. This seems the last version
++ * produced.
+ */
+- if ((current_cpu_data.processor_id & 0xff) <= 0x30)
+- return 1;
+-
+- /*
+- * we assume newer revisions are ok
+- */
+- return 0;
++ return 1;
+ }
+
+ return 0;
+diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c
+index 1b6129e7d776b..b861bbbc87178 100644
+--- a/arch/parisc/kernel/processor.c
++++ b/arch/parisc/kernel/processor.c
+@@ -418,8 +418,7 @@ show_cpuinfo (struct seq_file *m, void *v)
+ }
+ seq_printf(m, " (0x%02lx)\n", boot_cpu_data.pdc.capabilities);
+
+- seq_printf(m, "model\t\t: %s\n"
+- "model name\t: %s\n",
++ seq_printf(m, "model\t\t: %s - %s\n",
+ boot_cpu_data.pdc.sys_model_name,
+ cpuinfo->dev ?
+ cpuinfo->dev->name : "Unknown");
+diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c
+index cceb09855e03f..3fb86ee507dd5 100644
+--- a/arch/parisc/kernel/setup.c
++++ b/arch/parisc/kernel/setup.c
+@@ -150,6 +150,8 @@ void __init setup_arch(char **cmdline_p)
+ #ifdef CONFIG_PA11
+ dma_ops_init();
+ #endif
++
++ clear_sched_clock_stable();
+ }
+
+ /*
+diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
+index 061119a56fbe8..d8e59a1000ab7 100644
+--- a/arch/parisc/kernel/time.c
++++ b/arch/parisc/kernel/time.c
+@@ -249,13 +249,9 @@ void __init time_init(void)
+ static int __init init_cr16_clocksource(void)
+ {
+ /*
+- * The cr16 interval timers are not syncronized across CPUs, even if
+- * they share the same socket.
++ * The cr16 interval timers are not synchronized across CPUs.
+ */
+ if (num_online_cpus() > 1 && !running_on_qemu) {
+- /* mark sched_clock unstable */
+- clear_sched_clock_stable();
+-
+ clocksource_cr16.name = "cr16_unstable";
+ clocksource_cr16.flags = CLOCK_SOURCE_UNSTABLE;
+ clocksource_cr16.rating = 0;
+diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
+index 3de593b26850e..7f130ac3b9f9a 100644
+--- a/arch/riscv/mm/init.c
++++ b/arch/riscv/mm/init.c
+@@ -218,8 +218,25 @@ static void __init setup_bootmem(void)
+ * early_init_fdt_reserve_self() since __pa() does
+ * not work for DTB pointers that are fixmap addresses
+ */
+- if (!IS_ENABLED(CONFIG_BUILTIN_DTB))
+- memblock_reserve(dtb_early_pa, fdt_totalsize(dtb_early_va));
++ if (!IS_ENABLED(CONFIG_BUILTIN_DTB)) {
++ /*
++ * In case the DTB is not located in a memory region we won't
++ * be able to locate it later on via the linear mapping and
++ * get a segfault when accessing it via __va(dtb_early_pa).
++ * To avoid this situation copy DTB to a memory region.
++ * Note that memblock_phys_alloc will also reserve DTB region.
++ */
++ if (!memblock_is_memory(dtb_early_pa)) {
++ size_t fdt_size = fdt_totalsize(dtb_early_va);
++ phys_addr_t new_dtb_early_pa = memblock_phys_alloc(fdt_size, PAGE_SIZE);
++ void *new_dtb_early_va = early_memremap(new_dtb_early_pa, fdt_size);
++
++ memcpy(new_dtb_early_va, dtb_early_va, fdt_size);
++ early_memunmap(new_dtb_early_va, fdt_size);
++ _dtb_early_pa = new_dtb_early_pa;
++ } else
++ memblock_reserve(dtb_early_pa, fdt_totalsize(dtb_early_va));
++ }
+
+ early_init_fdt_scan_reserved_mem();
+ dma_contiguous_reserve(dma32_phys_limit);
+diff --git a/arch/x86/kernel/fpu/core.c b/arch/x86/kernel/fpu/core.c
+index 7ada7bd03a327..759e1cef5e695 100644
+--- a/arch/x86/kernel/fpu/core.c
++++ b/arch/x86/kernel/fpu/core.c
+@@ -25,17 +25,7 @@
+ */
+ union fpregs_state init_fpstate __ro_after_init;
+
+-/*
+- * Track whether the kernel is using the FPU state
+- * currently.
+- *
+- * This flag is used:
+- *
+- * - by IRQ context code to potentially use the FPU
+- * if it's unused.
+- *
+- * - to debug kernel_fpu_begin()/end() correctness
+- */
++/* Track in-kernel FPU usage */
+ static DEFINE_PER_CPU(bool, in_kernel_fpu);
+
+ /*
+@@ -43,42 +33,37 @@ static DEFINE_PER_CPU(bool, in_kernel_fpu);
+ */
+ DEFINE_PER_CPU(struct fpu *, fpu_fpregs_owner_ctx);
+
+-static bool kernel_fpu_disabled(void)
+-{
+- return this_cpu_read(in_kernel_fpu);
+-}
+-
+-static bool interrupted_kernel_fpu_idle(void)
+-{
+- return !kernel_fpu_disabled();
+-}
+-
+-/*
+- * Were we in user mode (or vm86 mode) when we were
+- * interrupted?
+- *
+- * Doing kernel_fpu_begin/end() is ok if we are running
+- * in an interrupt context from user mode - we'll just
+- * save the FPU state as required.
+- */
+-static bool interrupted_user_mode(void)
+-{
+- struct pt_regs *regs = get_irq_regs();
+- return regs && user_mode(regs);
+-}
+-
+ /*
+ * Can we use the FPU in kernel mode with the
+ * whole "kernel_fpu_begin/end()" sequence?
+- *
+- * It's always ok in process context (ie "not interrupt")
+- * but it is sometimes ok even from an irq.
+ */
+ bool irq_fpu_usable(void)
+ {
+- return !in_interrupt() ||
+- interrupted_user_mode() ||
+- interrupted_kernel_fpu_idle();
++ if (WARN_ON_ONCE(in_nmi()))
++ return false;
++
++ /* In kernel FPU usage already active? */
++ if (this_cpu_read(in_kernel_fpu))
++ return false;
++
++ /*
++ * When not in NMI or hard interrupt context, FPU can be used in:
++ *
++ * - Task context except from within fpregs_lock()'ed critical
++ * regions.
++ *
++ * - Soft interrupt processing context which cannot happen
++ * while in a fpregs_lock()'ed critical region.
++ */
++ if (!in_hardirq())
++ return true;
++
++ /*
++ * In hard interrupt context it's safe when soft interrupts
++ * are enabled, which means the interrupt did not hit in
++ * a fpregs_lock()'ed critical region.
++ */
++ return !softirq_count();
+ }
+ EXPORT_SYMBOL(irq_fpu_usable);
+
+diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
+index bd7b65081eb0a..d36b58e705b6c 100644
+--- a/arch/x86/kernel/kvm.c
++++ b/arch/x86/kernel/kvm.c
+@@ -66,6 +66,7 @@ static DEFINE_PER_CPU_DECRYPTED(struct kvm_vcpu_pv_apf_data, apf_reason) __align
+ DEFINE_PER_CPU_DECRYPTED(struct kvm_steal_time, steal_time) __aligned(64) __visible;
+ static int has_steal_clock = 0;
+
++static int has_guest_poll = 0;
+ /*
+ * No need for any "IO delay" on KVM
+ */
+@@ -650,14 +651,26 @@ static int kvm_cpu_down_prepare(unsigned int cpu)
+
+ static int kvm_suspend(void)
+ {
++ u64 val = 0;
++
+ kvm_guest_cpu_offline(false);
+
++#ifdef CONFIG_ARCH_CPUIDLE_HALTPOLL
++ if (kvm_para_has_feature(KVM_FEATURE_POLL_CONTROL))
++ rdmsrl(MSR_KVM_POLL_CONTROL, val);
++ has_guest_poll = !(val & 1);
++#endif
+ return 0;
+ }
+
+ static void kvm_resume(void)
+ {
+ kvm_cpu_online(raw_smp_processor_id());
++
++#ifdef CONFIG_ARCH_CPUIDLE_HALTPOLL
++ if (kvm_para_has_feature(KVM_FEATURE_POLL_CONTROL) && has_guest_poll)
++ wrmsrl(MSR_KVM_POLL_CONTROL, 0);
++#endif
+ }
+
+ static struct syscore_ops kvm_syscore_ops = {
+diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
+index 5f1d4a5aa8716..b17c9b00669e5 100644
+--- a/arch/x86/kvm/cpuid.c
++++ b/arch/x86/kvm/cpuid.c
+@@ -725,6 +725,11 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
+ union cpuid10_eax eax;
+ union cpuid10_edx edx;
+
++ if (!static_cpu_has(X86_FEATURE_ARCH_PERFMON)) {
++ entry->eax = entry->ebx = entry->ecx = entry->edx = 0;
++ break;
++ }
++
+ perf_get_x86_pmu_capability(&cap);
+
+ /*
+diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
+index 4d92fb4fdf699..493d636e62316 100644
+--- a/arch/x86/kvm/lapic.c
++++ b/arch/x86/kvm/lapic.c
+@@ -113,7 +113,8 @@ static inline u32 kvm_x2apic_id(struct kvm_lapic *apic)
+
+ static bool kvm_can_post_timer_interrupt(struct kvm_vcpu *vcpu)
+ {
+- return pi_inject_timer && kvm_vcpu_apicv_active(vcpu);
++ return pi_inject_timer && kvm_vcpu_apicv_active(vcpu) &&
++ (kvm_mwait_in_guest(vcpu->kvm) || kvm_hlt_in_guest(vcpu->kvm));
+ }
+
+ bool kvm_can_use_hv_timer(struct kvm_vcpu *vcpu)
+@@ -2125,10 +2126,9 @@ int kvm_lapic_reg_write(struct kvm_lapic *apic, u32 reg, u32 val)
+ break;
+
+ case APIC_SELF_IPI:
+- if (apic_x2apic_mode(apic)) {
+- kvm_lapic_reg_write(apic, APIC_ICR,
+- APIC_DEST_SELF | (val & APIC_VECTOR_MASK));
+- } else
++ if (apic_x2apic_mode(apic))
++ kvm_apic_send_ipi(apic, APIC_DEST_SELF | (val & APIC_VECTOR_MASK), 0);
++ else
+ ret = 1;
+ break;
+ default:
+diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
+index 34e828badc511..806f9d42bcce8 100644
+--- a/arch/x86/kvm/mmu/mmu.c
++++ b/arch/x86/kvm/mmu/mmu.c
+@@ -3314,6 +3314,8 @@ static void mmu_free_root_page(struct kvm *kvm, hpa_t *root_hpa,
+ return;
+
+ sp = to_shadow_page(*root_hpa & PT64_BASE_ADDR_MASK);
++ if (WARN_ON(!sp))
++ return;
+
+ if (is_tdp_mmu_page(sp))
+ kvm_tdp_mmu_put_root(kvm, sp, false);
+diff --git a/arch/x86/kvm/svm/pmu.c b/arch/x86/kvm/svm/pmu.c
+index f337ce7e898e3..d35c94e13afb0 100644
+--- a/arch/x86/kvm/svm/pmu.c
++++ b/arch/x86/kvm/svm/pmu.c
+@@ -44,6 +44,22 @@ static struct kvm_event_hw_type_mapping amd_event_mapping[] = {
+ [7] = { 0xd1, 0x00, PERF_COUNT_HW_STALLED_CYCLES_BACKEND },
+ };
+
++/* duplicated from amd_f17h_perfmon_event_map. */
++static struct kvm_event_hw_type_mapping amd_f17h_event_mapping[] = {
++ [0] = { 0x76, 0x00, PERF_COUNT_HW_CPU_CYCLES },
++ [1] = { 0xc0, 0x00, PERF_COUNT_HW_INSTRUCTIONS },
++ [2] = { 0x60, 0xff, PERF_COUNT_HW_CACHE_REFERENCES },
++ [3] = { 0x64, 0x09, PERF_COUNT_HW_CACHE_MISSES },
++ [4] = { 0xc2, 0x00, PERF_COUNT_HW_BRANCH_INSTRUCTIONS },
++ [5] = { 0xc3, 0x00, PERF_COUNT_HW_BRANCH_MISSES },
++ [6] = { 0x87, 0x02, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND },
++ [7] = { 0x87, 0x01, PERF_COUNT_HW_STALLED_CYCLES_BACKEND },
++};
++
++/* amd_pmc_perf_hw_id depends on these being the same size */
++static_assert(ARRAY_SIZE(amd_event_mapping) ==
++ ARRAY_SIZE(amd_f17h_event_mapping));
++
+ static unsigned int get_msr_base(struct kvm_pmu *pmu, enum pmu_type type)
+ {
+ struct kvm_vcpu *vcpu = pmu_to_vcpu(pmu);
+@@ -136,19 +152,25 @@ static inline struct kvm_pmc *get_gp_pmc_amd(struct kvm_pmu *pmu, u32 msr,
+
+ static unsigned int amd_pmc_perf_hw_id(struct kvm_pmc *pmc)
+ {
++ struct kvm_event_hw_type_mapping *event_mapping;
+ u8 event_select = pmc->eventsel & ARCH_PERFMON_EVENTSEL_EVENT;
+ u8 unit_mask = (pmc->eventsel & ARCH_PERFMON_EVENTSEL_UMASK) >> 8;
+ int i;
+
++ if (guest_cpuid_family(pmc->vcpu) >= 0x17)
++ event_mapping = amd_f17h_event_mapping;
++ else
++ event_mapping = amd_event_mapping;
++
+ for (i = 0; i < ARRAY_SIZE(amd_event_mapping); i++)
+- if (amd_event_mapping[i].eventsel == event_select
+- && amd_event_mapping[i].unit_mask == unit_mask)
++ if (event_mapping[i].eventsel == event_select
++ && event_mapping[i].unit_mask == unit_mask)
+ break;
+
+ if (i == ARRAY_SIZE(amd_event_mapping))
+ return PERF_COUNT_HW_MAX;
+
+- return amd_event_mapping[i].event_type;
++ return event_mapping[i].event_type;
+ }
+
+ /* return PERF_COUNT_HW_MAX as AMD doesn't have fixed events */
+diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c
+index 54be88167c60b..f3b3953cac834 100644
+--- a/drivers/firewire/core-card.c
++++ b/drivers/firewire/core-card.c
+@@ -668,6 +668,7 @@ EXPORT_SYMBOL_GPL(fw_card_release);
+ void fw_core_remove_card(struct fw_card *card)
+ {
+ struct fw_card_driver dummy_driver = dummy_driver_template;
++ unsigned long flags;
+
+ card->driver->update_phy_reg(card, 4,
+ PHY_LINK_ACTIVE | PHY_CONTENDER, 0);
+@@ -682,7 +683,9 @@ void fw_core_remove_card(struct fw_card *card)
+ dummy_driver.stop_iso = card->driver->stop_iso;
+ card->driver = &dummy_driver;
+
++ spin_lock_irqsave(&card->lock, flags);
+ fw_destroy_nodes(card);
++ spin_unlock_irqrestore(&card->lock, flags);
+
+ /* Wait for all users, especially device workqueue jobs, to finish. */
+ fw_card_put(card);
+diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
+index fb6c651214f32..b0cc3f1e9bb00 100644
+--- a/drivers/firewire/core-cdev.c
++++ b/drivers/firewire/core-cdev.c
+@@ -1480,6 +1480,7 @@ static void outbound_phy_packet_callback(struct fw_packet *packet,
+ {
+ struct outbound_phy_packet_event *e =
+ container_of(packet, struct outbound_phy_packet_event, p);
++ struct client *e_client;
+
+ switch (status) {
+ /* expected: */
+@@ -1496,9 +1497,10 @@ static void outbound_phy_packet_callback(struct fw_packet *packet,
+ }
+ e->phy_packet.data[0] = packet->timestamp;
+
++ e_client = e->client;
+ queue_event(e->client, &e->event, &e->phy_packet,
+ sizeof(e->phy_packet) + e->phy_packet.length, NULL, 0);
+- client_put(e->client);
++ client_put(e_client);
+ }
+
+ static int ioctl_send_phy_packet(struct client *client, union ioctl_arg *arg)
+diff --git a/drivers/firewire/core-topology.c b/drivers/firewire/core-topology.c
+index b63d55f5ebd33..f40c815343812 100644
+--- a/drivers/firewire/core-topology.c
++++ b/drivers/firewire/core-topology.c
+@@ -375,16 +375,13 @@ static void report_found_node(struct fw_card *card,
+ card->bm_retries = 0;
+ }
+
++/* Must be called with card->lock held */
+ void fw_destroy_nodes(struct fw_card *card)
+ {
+- unsigned long flags;
+-
+- spin_lock_irqsave(&card->lock, flags);
+ card->color++;
+ if (card->local_node != NULL)
+ for_each_fw_node(card, card->local_node, report_lost_node);
+ card->local_node = NULL;
+- spin_unlock_irqrestore(&card->lock, flags);
+ }
+
+ static void move_tree(struct fw_node *node0, struct fw_node *node1, int port)
+@@ -510,6 +507,8 @@ void fw_core_handle_bus_reset(struct fw_card *card, int node_id, int generation,
+ struct fw_node *local_node;
+ unsigned long flags;
+
++ spin_lock_irqsave(&card->lock, flags);
++
+ /*
+ * If the selfID buffer is not the immediate successor of the
+ * previously processed one, we cannot reliably compare the
+@@ -521,8 +520,6 @@ void fw_core_handle_bus_reset(struct fw_card *card, int node_id, int generation,
+ card->bm_retries = 0;
+ }
+
+- spin_lock_irqsave(&card->lock, flags);
+-
+ card->broadcast_channel_allocated = card->broadcast_channel_auto_allocated;
+ card->node_id = node_id;
+ /*
+diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
+index ac487c96bb717..6c20815cc8d16 100644
+--- a/drivers/firewire/core-transaction.c
++++ b/drivers/firewire/core-transaction.c
+@@ -73,24 +73,25 @@ static int try_cancel_split_timeout(struct fw_transaction *t)
+ static int close_transaction(struct fw_transaction *transaction,
+ struct fw_card *card, int rcode)
+ {
+- struct fw_transaction *t;
++ struct fw_transaction *t = NULL, *iter;
+ unsigned long flags;
+
+ spin_lock_irqsave(&card->lock, flags);
+- list_for_each_entry(t, &card->transaction_list, link) {
+- if (t == transaction) {
+- if (!try_cancel_split_timeout(t)) {
++ list_for_each_entry(iter, &card->transaction_list, link) {
++ if (iter == transaction) {
++ if (!try_cancel_split_timeout(iter)) {
+ spin_unlock_irqrestore(&card->lock, flags);
+ goto timed_out;
+ }
+- list_del_init(&t->link);
+- card->tlabel_mask &= ~(1ULL << t->tlabel);
++ list_del_init(&iter->link);
++ card->tlabel_mask &= ~(1ULL << iter->tlabel);
++ t = iter;
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&card->lock, flags);
+
+- if (&t->link != &card->transaction_list) {
++ if (t) {
+ t->callback(card, rcode, NULL, 0, t->callback_data);
+ return 0;
+ }
+@@ -935,7 +936,7 @@ EXPORT_SYMBOL(fw_core_handle_request);
+
+ void fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
+ {
+- struct fw_transaction *t;
++ struct fw_transaction *t = NULL, *iter;
+ unsigned long flags;
+ u32 *data;
+ size_t data_length;
+@@ -947,20 +948,21 @@ void fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
+ rcode = HEADER_GET_RCODE(p->header[1]);
+
+ spin_lock_irqsave(&card->lock, flags);
+- list_for_each_entry(t, &card->transaction_list, link) {
+- if (t->node_id == source && t->tlabel == tlabel) {
+- if (!try_cancel_split_timeout(t)) {
++ list_for_each_entry(iter, &card->transaction_list, link) {
++ if (iter->node_id == source && iter->tlabel == tlabel) {
++ if (!try_cancel_split_timeout(iter)) {
+ spin_unlock_irqrestore(&card->lock, flags);
+ goto timed_out;
+ }
+- list_del_init(&t->link);
+- card->tlabel_mask &= ~(1ULL << t->tlabel);
++ list_del_init(&iter->link);
++ card->tlabel_mask &= ~(1ULL << iter->tlabel);
++ t = iter;
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&card->lock, flags);
+
+- if (&t->link == &card->transaction_list) {
++ if (!t) {
+ timed_out:
+ fw_notice(card, "unsolicited response (source %x, tlabel %x)\n",
+ source, tlabel);
+diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c
+index 4d5054211550b..2ceed9287435f 100644
+--- a/drivers/firewire/sbp2.c
++++ b/drivers/firewire/sbp2.c
+@@ -408,7 +408,7 @@ static void sbp2_status_write(struct fw_card *card, struct fw_request *request,
+ void *payload, size_t length, void *callback_data)
+ {
+ struct sbp2_logical_unit *lu = callback_data;
+- struct sbp2_orb *orb;
++ struct sbp2_orb *orb = NULL, *iter;
+ struct sbp2_status status;
+ unsigned long flags;
+
+@@ -433,17 +433,18 @@ static void sbp2_status_write(struct fw_card *card, struct fw_request *request,
+
+ /* Lookup the orb corresponding to this status write. */
+ spin_lock_irqsave(&lu->tgt->lock, flags);
+- list_for_each_entry(orb, &lu->orb_list, link) {
++ list_for_each_entry(iter, &lu->orb_list, link) {
+ if (STATUS_GET_ORB_HIGH(status) == 0 &&
+- STATUS_GET_ORB_LOW(status) == orb->request_bus) {
+- orb->rcode = RCODE_COMPLETE;
+- list_del(&orb->link);
++ STATUS_GET_ORB_LOW(status) == iter->request_bus) {
++ iter->rcode = RCODE_COMPLETE;
++ list_del(&iter->link);
++ orb = iter;
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&lu->tgt->lock, flags);
+
+- if (&orb->link != &lu->orb_list) {
++ if (orb) {
+ orb->callback(orb, &status);
+ kref_put(&orb->kref, free_orb); /* orb callback reference */
+ } else {
+diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
+index 8f429d9f36616..ad8822da7c27a 100644
+--- a/drivers/gpio/gpio-mvebu.c
++++ b/drivers/gpio/gpio-mvebu.c
+@@ -871,13 +871,6 @@ static int mvebu_pwm_probe(struct platform_device *pdev,
+ mvpwm->chip.dev = dev;
+ mvpwm->chip.ops = &mvebu_pwm_ops;
+ mvpwm->chip.npwm = mvchip->chip.ngpio;
+- /*
+- * There may already be some PWM allocated, so we can't force
+- * mvpwm->chip.base to a fixed point like mvchip->chip.base.
+- * So, we let pwmchip_add() do the numbering and take the next free
+- * region.
+- */
+- mvpwm->chip.base = -1;
+
+ spin_lock_init(&mvpwm->lock);
+
+diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
+index d2fe76f3f34fd..8726921a11294 100644
+--- a/drivers/gpio/gpio-pca953x.c
++++ b/drivers/gpio/gpio-pca953x.c
+@@ -762,11 +762,11 @@ static bool pca953x_irq_pending(struct pca953x_chip *chip, unsigned long *pendin
+ bitmap_xor(cur_stat, new_stat, old_stat, gc->ngpio);
+ bitmap_and(trigger, cur_stat, chip->irq_mask, gc->ngpio);
+
++ bitmap_copy(chip->irq_stat, new_stat, gc->ngpio);
++
+ if (bitmap_empty(trigger, gc->ngpio))
+ return false;
+
+- bitmap_copy(chip->irq_stat, new_stat, gc->ngpio);
+-
+ bitmap_and(cur_stat, chip->irq_trig_fall, old_stat, gc->ngpio);
+ bitmap_and(old_stat, chip->irq_trig_raise, new_stat, gc->ngpio);
+ bitmap_or(new_stat, old_stat, cur_stat, gc->ngpio);
+diff --git a/drivers/gpio/gpio-visconti.c b/drivers/gpio/gpio-visconti.c
+index 47455810bdb91..e6534ea1eaa7a 100644
+--- a/drivers/gpio/gpio-visconti.c
++++ b/drivers/gpio/gpio-visconti.c
+@@ -130,7 +130,6 @@ static int visconti_gpio_probe(struct platform_device *pdev)
+ struct gpio_irq_chip *girq;
+ struct irq_domain *parent;
+ struct device_node *irq_parent;
+- struct fwnode_handle *fwnode;
+ int ret;
+
+ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+@@ -150,14 +149,12 @@ static int visconti_gpio_probe(struct platform_device *pdev)
+ }
+
+ parent = irq_find_host(irq_parent);
++ of_node_put(irq_parent);
+ if (!parent) {
+ dev_err(dev, "No IRQ parent domain\n");
+ return -ENODEV;
+ }
+
+- fwnode = of_node_to_fwnode(irq_parent);
+- of_node_put(irq_parent);
+-
+ ret = bgpio_init(&priv->gpio_chip, dev, 4,
+ priv->base + GPIO_IDATA,
+ priv->base + GPIO_OSET,
+@@ -180,7 +177,7 @@ static int visconti_gpio_probe(struct platform_device *pdev)
+
+ girq = &priv->gpio_chip.irq;
+ girq->chip = irq_chip;
+- girq->fwnode = fwnode;
++ girq->fwnode = of_node_to_fwnode(dev->of_node);
+ girq->parent_domain = parent;
+ girq->child_to_parent_hwirq = visconti_gpio_child_to_parent_hwirq;
+ girq->populate_parent_alloc_arg = visconti_gpio_populate_parent_fwspec;
+diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
+index 0ad288ab6262d..a5b34c2487679 100644
+--- a/drivers/gpio/gpiolib-of.c
++++ b/drivers/gpio/gpiolib-of.c
+@@ -912,7 +912,7 @@ static void of_gpiochip_init_valid_mask(struct gpio_chip *chip)
+ i, &start);
+ of_property_read_u32_index(np, "gpio-reserved-ranges",
+ i + 1, &count);
+- if (start >= chip->ngpio || start + count >= chip->ngpio)
++ if (start >= chip->ngpio || start + count > chip->ngpio)
+ continue;
+
+ bitmap_clear(chip->valid_mask, start, count);
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+index ec30d81586a79..348629ea0e153 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+@@ -1176,7 +1176,7 @@ static int amdgpu_debugfs_evict_vram(void *data, u64 *val)
+ return r;
+ }
+
+- *val = amdgpu_bo_evict_vram(adev);
++ *val = amdgpu_ttm_evict_resources(adev, TTM_PL_VRAM);
+
+ pm_runtime_mark_last_busy(dev->dev);
+ pm_runtime_put_autosuspend(dev->dev);
+@@ -1189,17 +1189,15 @@ static int amdgpu_debugfs_evict_gtt(void *data, u64 *val)
+ {
+ struct amdgpu_device *adev = (struct amdgpu_device *)data;
+ struct drm_device *dev = adev_to_drm(adev);
+- struct ttm_resource_manager *man;
+ int r;
+
+ r = pm_runtime_get_sync(dev->dev);
+ if (r < 0) {
+- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
++ pm_runtime_put_autosuspend(dev->dev);
+ return r;
+ }
+
+- man = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT);
+- *val = ttm_resource_manager_evict_all(&adev->mman.bdev, man);
++ *val = amdgpu_ttm_evict_resources(adev, TTM_PL_TT);
+
+ pm_runtime_mark_last_busy(dev->dev);
+ pm_runtime_put_autosuspend(dev->dev);
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+index 2f2ae26a8068d..a926b5ebbfdf5 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+@@ -3928,6 +3928,25 @@ void amdgpu_device_fini_sw(struct amdgpu_device *adev)
+
+ }
+
++/**
++ * amdgpu_device_evict_resources - evict device resources
++ * @adev: amdgpu device object
++ *
++ * Evicts all ttm device resources(vram BOs, gart table) from the lru list
++ * of the vram memory type. Mainly used for evicting device resources
++ * at suspend time.
++ *
++ */
++static void amdgpu_device_evict_resources(struct amdgpu_device *adev)
++{
++ /* No need to evict vram on APUs for suspend to ram or s2idle */
++ if ((adev->in_s3 || adev->in_s0ix) && (adev->flags & AMD_IS_APU))
++ return;
++
++ if (amdgpu_ttm_evict_resources(adev, TTM_PL_VRAM))
++ DRM_WARN("evicting device resources failed\n");
++
++}
+
+ /*
+ * Suspend & resume.
+@@ -3968,17 +3987,16 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon)
+ if (!adev->in_s0ix)
+ amdgpu_amdkfd_suspend(adev, adev->in_runpm);
+
+- /* evict vram memory */
+- amdgpu_bo_evict_vram(adev);
++ /* First evict vram memory */
++ amdgpu_device_evict_resources(adev);
+
+ amdgpu_fence_driver_hw_fini(adev);
+
+ amdgpu_device_ip_suspend_phase2(adev);
+- /* evict remaining vram memory
+- * This second call to evict vram is to evict the gart page table
+- * using the CPU.
++ /* This second call to evict device resources is to evict
++ * the gart page table using the CPU.
+ */
+- amdgpu_bo_evict_vram(adev);
++ amdgpu_device_evict_resources(adev);
+
+ return 0;
+ }
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+index b517b76e96a1d..2bd7b9fe6005f 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+@@ -2246,18 +2246,23 @@ static int amdgpu_pmops_suspend(struct device *dev)
+ {
+ struct drm_device *drm_dev = dev_get_drvdata(dev);
+ struct amdgpu_device *adev = drm_to_adev(drm_dev);
+- int r;
+
+ if (amdgpu_acpi_is_s0ix_active(adev))
+ adev->in_s0ix = true;
+- adev->in_s3 = true;
+- r = amdgpu_device_suspend(drm_dev, true);
+- adev->in_s3 = false;
+- if (r)
+- return r;
++ else
++ adev->in_s3 = true;
++ return amdgpu_device_suspend(drm_dev, true);
++}
++
++static int amdgpu_pmops_suspend_noirq(struct device *dev)
++{
++ struct drm_device *drm_dev = dev_get_drvdata(dev);
++ struct amdgpu_device *adev = drm_to_adev(drm_dev);
++
+ if (!adev->in_s0ix)
+- r = amdgpu_asic_reset(adev);
+- return r;
++ return amdgpu_asic_reset(adev);
++
++ return 0;
+ }
+
+ static int amdgpu_pmops_resume(struct device *dev)
+@@ -2269,6 +2274,8 @@ static int amdgpu_pmops_resume(struct device *dev)
+ r = amdgpu_device_resume(drm_dev, true);
+ if (amdgpu_acpi_is_s0ix_active(adev))
+ adev->in_s0ix = false;
++ else
++ adev->in_s3 = false;
+ return r;
+ }
+
+@@ -2492,6 +2499,7 @@ static const struct dev_pm_ops amdgpu_pm_ops = {
+ .prepare = amdgpu_pmops_prepare,
+ .complete = amdgpu_pmops_complete,
+ .suspend = amdgpu_pmops_suspend,
++ .suspend_noirq = amdgpu_pmops_suspend_noirq,
+ .resume = amdgpu_pmops_resume,
+ .freeze = amdgpu_pmops_freeze,
+ .thaw = amdgpu_pmops_thaw,
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+index d62b770cc9dc9..41d0b3a7b65d8 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+@@ -1038,29 +1038,6 @@ void amdgpu_bo_unpin(struct amdgpu_bo *bo)
+ }
+ }
+
+-/**
+- * amdgpu_bo_evict_vram - evict VRAM buffers
+- * @adev: amdgpu device object
+- *
+- * Evicts all VRAM buffers on the lru list of the memory type.
+- * Mainly used for evicting vram at suspend time.
+- *
+- * Returns:
+- * 0 for success or a negative error code on failure.
+- */
+-int amdgpu_bo_evict_vram(struct amdgpu_device *adev)
+-{
+- struct ttm_resource_manager *man;
+-
+- if (adev->in_s3 && (adev->flags & AMD_IS_APU)) {
+- /* No need to evict vram on APUs for suspend to ram */
+- return 0;
+- }
+-
+- man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
+- return ttm_resource_manager_evict_all(&adev->mman.bdev, man);
+-}
+-
+ static const char *amdgpu_vram_names[] = {
+ "UNKNOWN",
+ "GDDR1",
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+index 9d6c001c15f89..d8ef8a53a562d 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+@@ -304,7 +304,6 @@ int amdgpu_bo_pin(struct amdgpu_bo *bo, u32 domain);
+ int amdgpu_bo_pin_restricted(struct amdgpu_bo *bo, u32 domain,
+ u64 min_offset, u64 max_offset);
+ void amdgpu_bo_unpin(struct amdgpu_bo *bo);
+-int amdgpu_bo_evict_vram(struct amdgpu_device *adev);
+ int amdgpu_bo_init(struct amdgpu_device *adev);
+ void amdgpu_bo_fini(struct amdgpu_device *adev);
+ int amdgpu_bo_set_tiling_flags(struct amdgpu_bo *bo, u64 tiling_flags);
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+index 8132f66177c27..51c76d6322c94 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+@@ -2036,6 +2036,36 @@ error_free:
+ return r;
+ }
+
++/**
++ * amdgpu_ttm_evict_resources - evict memory buffers
++ * @adev: amdgpu device object
++ * @mem_type: evicted BO's memory type
++ *
++ * Evicts all @mem_type buffers on the lru list of the memory type.
++ *
++ * Returns:
++ * 0 for success or a negative error code on failure.
++ */
++int amdgpu_ttm_evict_resources(struct amdgpu_device *adev, int mem_type)
++{
++ struct ttm_resource_manager *man;
++
++ switch (mem_type) {
++ case TTM_PL_VRAM:
++ case TTM_PL_TT:
++ case AMDGPU_PL_GWS:
++ case AMDGPU_PL_GDS:
++ case AMDGPU_PL_OA:
++ man = ttm_manager_type(&adev->mman.bdev, mem_type);
++ break;
++ default:
++ DRM_ERROR("Trying to evict invalid memory type\n");
++ return -EINVAL;
++ }
++
++ return ttm_resource_manager_evict_all(&adev->mman.bdev, man);
++}
++
+ #if defined(CONFIG_DEBUG_FS)
+
+ static int amdgpu_mm_vram_table_show(struct seq_file *m, void *unused)
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+index 3205fd5200601..639c7b41e30b9 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+@@ -190,6 +190,7 @@ bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm);
+ uint64_t amdgpu_ttm_tt_pde_flags(struct ttm_tt *ttm, struct ttm_resource *mem);
+ uint64_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm,
+ struct ttm_resource *mem);
++int amdgpu_ttm_evict_resources(struct amdgpu_device *adev, int mem_type);
+
+ void amdgpu_ttm_debugfs_init(struct amdgpu_device *adev);
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+index ca058fbcccd43..16787c675f35e 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+@@ -24,6 +24,7 @@
+ #include <linux/module.h>
+
+ #include <drm/drm_drv.h>
++#include <xen/xen.h>
+
+ #include "amdgpu.h"
+ #include "amdgpu_ras.h"
+@@ -694,7 +695,8 @@ void amdgpu_detect_virtualization(struct amdgpu_device *adev)
+ adev->virt.caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV;
+
+ if (!reg) {
+- if (is_virtual_machine()) /* passthrough mode exclus sriov mod */
++ /* passthrough mode exclus sriov mod */
++ if (is_virtual_machine() && !xen_initial_domain())
+ adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
+ }
+
+diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+index 605b96873d8cd..05f81d44aa6c2 100644
+--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
++++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+@@ -3118,7 +3118,7 @@ static void dp_test_get_audio_test_data(struct dc_link *link, bool disable_video
+ &dpcd_pattern_type.value,
+ sizeof(dpcd_pattern_type));
+
+- channel_count = dpcd_test_mode.bits.channel_count + 1;
++ channel_count = min(dpcd_test_mode.bits.channel_count + 1, AUDIO_CHANNELS_COUNT);
+
+ // read pattern periods for requested channels when sawTooth pattern is requested
+ if (dpcd_pattern_type.value == AUDIO_TEST_PATTERN_SAWTOOTH ||
+diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c
+index a133f7e154e70..d5198b435638c 100644
+--- a/drivers/gpu/drm/msm/dp/dp_display.c
++++ b/drivers/gpu/drm/msm/dp/dp_display.c
+@@ -551,12 +551,6 @@ static int dp_hpd_plug_handle(struct dp_display_private *dp, u32 data)
+
+ mutex_unlock(&dp->event_mutex);
+
+- /*
+- * add fail safe mode outside event_mutex scope
+- * to avoid potiential circular lock with drm thread
+- */
+- dp_panel_add_fail_safe_mode(dp->dp_display.connector);
+-
+ /* uevent will complete connection part */
+ return 0;
+ };
+diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c
+index 982f5e8c3546f..62b742e701d2c 100644
+--- a/drivers/gpu/drm/msm/dp/dp_panel.c
++++ b/drivers/gpu/drm/msm/dp/dp_panel.c
+@@ -151,15 +151,6 @@ static int dp_panel_update_modes(struct drm_connector *connector,
+ return rc;
+ }
+
+-void dp_panel_add_fail_safe_mode(struct drm_connector *connector)
+-{
+- /* fail safe edid */
+- mutex_lock(&connector->dev->mode_config.mutex);
+- if (drm_add_modes_noedid(connector, 640, 480))
+- drm_set_preferred_mode(connector, 640, 480);
+- mutex_unlock(&connector->dev->mode_config.mutex);
+-}
+-
+ int dp_panel_read_sink_caps(struct dp_panel *dp_panel,
+ struct drm_connector *connector)
+ {
+@@ -215,8 +206,6 @@ int dp_panel_read_sink_caps(struct dp_panel *dp_panel,
+ rc = -ETIMEDOUT;
+ goto end;
+ }
+-
+- dp_panel_add_fail_safe_mode(connector);
+ }
+
+ if (panel->aux_cfg_update_done) {
+diff --git a/drivers/gpu/drm/msm/dp/dp_panel.h b/drivers/gpu/drm/msm/dp/dp_panel.h
+index 99739ea679a77..9023e5bb4b8b2 100644
+--- a/drivers/gpu/drm/msm/dp/dp_panel.h
++++ b/drivers/gpu/drm/msm/dp/dp_panel.h
+@@ -59,7 +59,6 @@ int dp_panel_init_panel_info(struct dp_panel *dp_panel);
+ int dp_panel_deinit(struct dp_panel *dp_panel);
+ int dp_panel_timing_cfg(struct dp_panel *dp_panel);
+ void dp_panel_dump_regs(struct dp_panel *dp_panel);
+-void dp_panel_add_fail_safe_mode(struct drm_connector *connector);
+ int dp_panel_read_sink_caps(struct dp_panel *dp_panel,
+ struct drm_connector *connector);
+ u32 dp_panel_get_mode_bpp(struct dp_panel *dp_panel, u32 mode_max_bpp,
+diff --git a/drivers/hwmon/adt7470.c b/drivers/hwmon/adt7470.c
+index fb6d14d213a18..c67cd037a93fd 100644
+--- a/drivers/hwmon/adt7470.c
++++ b/drivers/hwmon/adt7470.c
+@@ -19,6 +19,7 @@
+ #include <linux/log2.h>
+ #include <linux/kthread.h>
+ #include <linux/regmap.h>
++#include <linux/sched.h>
+ #include <linux/slab.h>
+ #include <linux/util_macros.h>
+
+@@ -294,11 +295,10 @@ static int adt7470_update_thread(void *p)
+ adt7470_read_temperatures(data);
+ mutex_unlock(&data->lock);
+
+- set_current_state(TASK_INTERRUPTIBLE);
+ if (kthread_should_stop())
+ break;
+
+- schedule_timeout(msecs_to_jiffies(data->auto_update_interval));
++ schedule_timeout_interruptible(msecs_to_jiffies(data->auto_update_interval));
+ }
+
+ return 0;
+diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
+index ca0bfaf2f6911..5f8f824d997f8 100644
+--- a/drivers/hwmon/pmbus/pmbus_core.c
++++ b/drivers/hwmon/pmbus/pmbus_core.c
+@@ -2326,6 +2326,9 @@ static int pmbus_init_common(struct i2c_client *client, struct pmbus_data *data,
+ data->has_status_word = true;
+ }
+
++ /* Make sure PEC is disabled, will be enabled later if needed */
++ client->flags &= ~I2C_CLIENT_PEC;
++
+ /* Enable PEC if the controller and bus supports it */
+ if (!(data->flags & PMBUS_NO_CAPABILITY)) {
+ ret = i2c_smbus_read_byte_data(client, PMBUS_CAPABILITY);
+diff --git a/drivers/infiniband/hw/irdma/cm.c b/drivers/infiniband/hw/irdma/cm.c
+index 6dea0a49d1718..082a3ddb0fa3b 100644
+--- a/drivers/infiniband/hw/irdma/cm.c
++++ b/drivers/infiniband/hw/irdma/cm.c
+@@ -2305,10 +2305,8 @@ err:
+ return NULL;
+ }
+
+-static void irdma_cm_node_free_cb(struct rcu_head *rcu_head)
++static void irdma_destroy_connection(struct irdma_cm_node *cm_node)
+ {
+- struct irdma_cm_node *cm_node =
+- container_of(rcu_head, struct irdma_cm_node, rcu_head);
+ struct irdma_cm_core *cm_core = cm_node->cm_core;
+ struct irdma_qp *iwqp;
+ struct irdma_cm_info nfo;
+@@ -2356,7 +2354,6 @@ static void irdma_cm_node_free_cb(struct rcu_head *rcu_head)
+ }
+
+ cm_core->cm_free_ah(cm_node);
+- kfree(cm_node);
+ }
+
+ /**
+@@ -2384,8 +2381,9 @@ void irdma_rem_ref_cm_node(struct irdma_cm_node *cm_node)
+
+ spin_unlock_irqrestore(&cm_core->ht_lock, flags);
+
+- /* wait for all list walkers to exit their grace period */
+- call_rcu(&cm_node->rcu_head, irdma_cm_node_free_cb);
++ irdma_destroy_connection(cm_node);
++
++ kfree_rcu(cm_node, rcu_head);
+ }
+
+ /**
+@@ -3465,12 +3463,6 @@ static void irdma_cm_disconn_true(struct irdma_qp *iwqp)
+ }
+
+ cm_id = iwqp->cm_id;
+- /* make sure we havent already closed this connection */
+- if (!cm_id) {
+- spin_unlock_irqrestore(&iwqp->lock, flags);
+- return;
+- }
+-
+ original_hw_tcp_state = iwqp->hw_tcp_state;
+ original_ibqp_state = iwqp->ibqp_state;
+ last_ae = iwqp->last_aeq;
+@@ -3492,11 +3484,11 @@ static void irdma_cm_disconn_true(struct irdma_qp *iwqp)
+ disconn_status = -ECONNRESET;
+ }
+
+- if ((original_hw_tcp_state == IRDMA_TCP_STATE_CLOSED ||
+- original_hw_tcp_state == IRDMA_TCP_STATE_TIME_WAIT ||
+- last_ae == IRDMA_AE_RDMAP_ROE_BAD_LLP_CLOSE ||
+- last_ae == IRDMA_AE_BAD_CLOSE ||
+- last_ae == IRDMA_AE_LLP_CONNECTION_RESET || iwdev->rf->reset)) {
++ if (original_hw_tcp_state == IRDMA_TCP_STATE_CLOSED ||
++ original_hw_tcp_state == IRDMA_TCP_STATE_TIME_WAIT ||
++ last_ae == IRDMA_AE_RDMAP_ROE_BAD_LLP_CLOSE ||
++ last_ae == IRDMA_AE_BAD_CLOSE ||
++ last_ae == IRDMA_AE_LLP_CONNECTION_RESET || iwdev->rf->reset || !cm_id) {
+ issue_close = 1;
+ iwqp->cm_id = NULL;
+ qp->term_flags = 0;
+diff --git a/drivers/infiniband/hw/irdma/utils.c b/drivers/infiniband/hw/irdma/utils.c
+index fee179fd8c67b..85d4212f59dbc 100644
+--- a/drivers/infiniband/hw/irdma/utils.c
++++ b/drivers/infiniband/hw/irdma/utils.c
+@@ -258,18 +258,16 @@ int irdma_net_event(struct notifier_block *notifier, unsigned long event,
+ u32 local_ipaddr[4] = {};
+ bool ipv4 = true;
+
+- real_dev = rdma_vlan_dev_real_dev(netdev);
+- if (!real_dev)
+- real_dev = netdev;
+-
+- ibdev = ib_device_get_by_netdev(real_dev, RDMA_DRIVER_IRDMA);
+- if (!ibdev)
+- return NOTIFY_DONE;
+-
+- iwdev = to_iwdev(ibdev);
+-
+ switch (event) {
+ case NETEVENT_NEIGH_UPDATE:
++ real_dev = rdma_vlan_dev_real_dev(netdev);
++ if (!real_dev)
++ real_dev = netdev;
++ ibdev = ib_device_get_by_netdev(real_dev, RDMA_DRIVER_IRDMA);
++ if (!ibdev)
++ return NOTIFY_DONE;
++
++ iwdev = to_iwdev(ibdev);
+ p = (__be32 *)neigh->primary_key;
+ if (neigh->tbl->family == AF_INET6) {
+ ipv4 = false;
+@@ -290,13 +288,12 @@ int irdma_net_event(struct notifier_block *notifier, unsigned long event,
+ irdma_manage_arp_cache(iwdev->rf, neigh->ha,
+ local_ipaddr, ipv4,
+ IRDMA_ARP_DELETE);
++ ib_device_put(ibdev);
+ break;
+ default:
+ break;
+ }
+
+- ib_device_put(ibdev);
+-
+ return NOTIFY_DONE;
+ }
+
+diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c
+index 4a6fdd5c09e3e..8a3ac4257e867 100644
+--- a/drivers/infiniband/hw/irdma/verbs.c
++++ b/drivers/infiniband/hw/irdma/verbs.c
+@@ -1617,13 +1617,13 @@ int irdma_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
+
+ if (issue_modify_qp && iwqp->ibqp_state > IB_QPS_RTS) {
+ if (dont_wait) {
+- if (iwqp->cm_id && iwqp->hw_tcp_state) {
++ if (iwqp->hw_tcp_state) {
+ spin_lock_irqsave(&iwqp->lock, flags);
+ iwqp->hw_tcp_state = IRDMA_TCP_STATE_CLOSED;
+ iwqp->last_aeq = IRDMA_AE_RESET_SENT;
+ spin_unlock_irqrestore(&iwqp->lock, flags);
+- irdma_cm_disconn(iwqp);
+ }
++ irdma_cm_disconn(iwqp);
+ } else {
+ int close_timer_started;
+
+diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c
+index 7a5ed86ffc9f9..18a64ccbb0e58 100644
+--- a/drivers/infiniband/sw/siw/siw_cm.c
++++ b/drivers/infiniband/sw/siw/siw_cm.c
+@@ -968,14 +968,15 @@ static void siw_accept_newconn(struct siw_cep *cep)
+
+ siw_cep_set_inuse(new_cep);
+ rv = siw_proc_mpareq(new_cep);
+- siw_cep_set_free(new_cep);
+-
+ if (rv != -EAGAIN) {
+ siw_cep_put(cep);
+ new_cep->listen_cep = NULL;
+- if (rv)
++ if (rv) {
++ siw_cep_set_free(new_cep);
+ goto error;
++ }
+ }
++ siw_cep_set_free(new_cep);
+ }
+ return;
+
+diff --git a/drivers/iommu/apple-dart.c b/drivers/iommu/apple-dart.c
+index ad69eeb5ac5ba..baba4571c8152 100644
+--- a/drivers/iommu/apple-dart.c
++++ b/drivers/iommu/apple-dart.c
+@@ -757,6 +757,7 @@ static const struct iommu_ops apple_dart_iommu_ops = {
+ .of_xlate = apple_dart_of_xlate,
+ .def_domain_type = apple_dart_def_domain_type,
+ .pgsize_bitmap = -1UL, /* Restricted during dart probe */
++ .owner = THIS_MODULE,
+ };
+
+ static irqreturn_t apple_dart_irq(int irq, void *dev)
+@@ -832,16 +833,15 @@ static int apple_dart_probe(struct platform_device *pdev)
+ dart->dev = dev;
+ spin_lock_init(&dart->lock);
+
+- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ dart->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
++ if (IS_ERR(dart->regs))
++ return PTR_ERR(dart->regs);
++
+ if (resource_size(res) < 0x4000) {
+ dev_err(dev, "MMIO region too small (%pr)\n", res);
+ return -EINVAL;
+ }
+
+- dart->regs = devm_ioremap_resource(dev, res);
+- if (IS_ERR(dart->regs))
+- return PTR_ERR(dart->regs);
+-
+ dart->irq = platform_get_irq(pdev, 0);
+ if (dart->irq < 0)
+ return -ENODEV;
+diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
+index ee66d1f4cb81e..f763c1430d152 100644
+--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
++++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c
+@@ -183,7 +183,14 @@ static void arm_smmu_mm_invalidate_range(struct mmu_notifier *mn,
+ {
+ struct arm_smmu_mmu_notifier *smmu_mn = mn_to_smmu(mn);
+ struct arm_smmu_domain *smmu_domain = smmu_mn->domain;
+- size_t size = end - start + 1;
++ size_t size;
++
++ /*
++ * The mm_types defines vm_end as the first byte after the end address,
++ * different from IOMMU subsystem using the last address of an address
++ * range. So do a simple translation here by calculating size correctly.
++ */
++ size = end - start;
+
+ if (!(smmu_domain->smmu->features & ARM_SMMU_FEAT_BTM))
+ arm_smmu_tlb_inv_range_asid(start, size, smmu_mn->cd->asid,
+diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
+index 0b3076144beb7..91a5c75966f32 100644
+--- a/drivers/iommu/intel/iommu.c
++++ b/drivers/iommu/intel/iommu.c
+@@ -1637,7 +1637,8 @@ static void iommu_flush_iotlb_psi(struct intel_iommu *iommu,
+ unsigned long pfn, unsigned int pages,
+ int ih, int map)
+ {
+- unsigned int mask = ilog2(__roundup_pow_of_two(pages));
++ unsigned int aligned_pages = __roundup_pow_of_two(pages);
++ unsigned int mask = ilog2(aligned_pages);
+ uint64_t addr = (uint64_t)pfn << VTD_PAGE_SHIFT;
+ u16 did = domain->iommu_did[iommu->seq_id];
+
+@@ -1649,10 +1650,30 @@ static void iommu_flush_iotlb_psi(struct intel_iommu *iommu,
+ if (domain_use_first_level(domain)) {
+ domain_flush_piotlb(iommu, domain, addr, pages, ih);
+ } else {
++ unsigned long bitmask = aligned_pages - 1;
++
++ /*
++ * PSI masks the low order bits of the base address. If the
++ * address isn't aligned to the mask, then compute a mask value
++ * needed to ensure the target range is flushed.
++ */
++ if (unlikely(bitmask & pfn)) {
++ unsigned long end_pfn = pfn + pages - 1, shared_bits;
++
++ /*
++ * Since end_pfn <= pfn + bitmask, the only way bits
++ * higher than bitmask can differ in pfn and end_pfn is
++ * by carrying. This means after masking out bitmask,
++ * high bits starting with the first set bit in
++ * shared_bits are all equal in both pfn and end_pfn.
++ */
++ shared_bits = ~(pfn ^ end_pfn) & ~bitmask;
++ mask = shared_bits ? __ffs(shared_bits) : BITS_PER_LONG;
++ }
++
+ /*
+ * Fallback to domain selective flush if no PSI support or
+- * the size is too big. PSI requires page size to be 2 ^ x,
+- * and the base address is naturally aligned to the size.
++ * the size is too big.
+ */
+ if (!cap_pgsel_inv(iommu->cap) ||
+ mask > cap_max_amask_val(iommu->cap))
+diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c
+index 0c228787704f3..3a9468b1d2c3c 100644
+--- a/drivers/iommu/intel/svm.c
++++ b/drivers/iommu/intel/svm.c
+@@ -978,6 +978,10 @@ bad_req:
+ goto bad_req;
+ }
+
++ /* Drop Stop Marker message. No need for a response. */
++ if (unlikely(req->lpig && !req->rd_req && !req->wr_req))
++ goto prq_advance;
++
+ if (!svm || svm->pasid != req->pasid) {
+ /*
+ * It can't go away, because the driver is not permitted
+diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
+index 29e58ffae3797..d805f84507198 100644
+--- a/drivers/mmc/core/mmc.c
++++ b/drivers/mmc/core/mmc.c
+@@ -1381,13 +1381,17 @@ static int mmc_select_hs400es(struct mmc_card *card)
+ goto out_err;
+ }
+
++ /*
++ * Bump to HS timing and frequency. Some cards don't handle
++ * SEND_STATUS reliably at the initial frequency.
++ */
+ mmc_set_timing(host, MMC_TIMING_MMC_HS);
++ mmc_set_bus_speed(card);
++
+ err = mmc_switch_status(card, true);
+ if (err)
+ goto out_err;
+
+- mmc_set_clock(host, card->ext_csd.hs_max_dtr);
+-
+ /* Switch card to DDR with strobe bit */
+ val = EXT_CSD_DDR_BUS_WIDTH_8 | EXT_CSD_BUS_WIDTH_STROBE;
+ err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
+@@ -1445,7 +1449,7 @@ out_err:
+ static int mmc_select_hs200(struct mmc_card *card)
+ {
+ struct mmc_host *host = card->host;
+- unsigned int old_timing, old_signal_voltage;
++ unsigned int old_timing, old_signal_voltage, old_clock;
+ int err = -EINVAL;
+ u8 val;
+
+@@ -1476,8 +1480,17 @@ static int mmc_select_hs200(struct mmc_card *card)
+ false, true, MMC_CMD_RETRIES);
+ if (err)
+ goto err;
++
++ /*
++ * Bump to HS timing and frequency. Some cards don't handle
++ * SEND_STATUS reliably at the initial frequency.
++ * NB: We can't move to full (HS200) speeds until after we've
++ * successfully switched over.
++ */
+ old_timing = host->ios.timing;
++ old_clock = host->ios.clock;
+ mmc_set_timing(host, MMC_TIMING_MMC_HS200);
++ mmc_set_clock(card->host, card->ext_csd.hs_max_dtr);
+
+ /*
+ * For HS200, CRC errors are not a reliable way to know the
+@@ -1490,8 +1503,10 @@ static int mmc_select_hs200(struct mmc_card *card)
+ * mmc_select_timing() assumes timing has not changed if
+ * it is a switch error.
+ */
+- if (err == -EBADMSG)
++ if (err == -EBADMSG) {
++ mmc_set_clock(host, old_clock);
+ mmc_set_timing(host, old_timing);
++ }
+ }
+ err:
+ if (err) {
+diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
+index f7c384db89bf3..e1580f78c6b2d 100644
+--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
++++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
+@@ -38,10 +38,7 @@ struct realtek_pci_sdmmc {
+ bool double_clk;
+ bool eject;
+ bool initial_mode;
+- int power_state;
+-#define SDMMC_POWER_ON 1
+-#define SDMMC_POWER_OFF 0
+-
++ int prev_power_state;
+ int sg_count;
+ s32 cookie;
+ int cookie_sg_count;
+@@ -905,7 +902,7 @@ static int sd_set_bus_width(struct realtek_pci_sdmmc *host,
+ return err;
+ }
+
+-static int sd_power_on(struct realtek_pci_sdmmc *host)
++static int sd_power_on(struct realtek_pci_sdmmc *host, unsigned char power_mode)
+ {
+ struct rtsx_pcr *pcr = host->pcr;
+ struct mmc_host *mmc = host->mmc;
+@@ -913,9 +910,14 @@ static int sd_power_on(struct realtek_pci_sdmmc *host)
+ u32 val;
+ u8 test_mode;
+
+- if (host->power_state == SDMMC_POWER_ON)
++ if (host->prev_power_state == MMC_POWER_ON)
+ return 0;
+
++ if (host->prev_power_state == MMC_POWER_UP) {
++ rtsx_pci_write_register(pcr, SD_BUS_STAT, SD_CLK_TOGGLE_EN, 0);
++ goto finish;
++ }
++
+ msleep(100);
+
+ rtsx_pci_init_cmd(pcr);
+@@ -936,10 +938,15 @@ static int sd_power_on(struct realtek_pci_sdmmc *host)
+ if (err < 0)
+ return err;
+
++ mdelay(1);
++
+ err = rtsx_pci_write_register(pcr, CARD_OE, SD_OUTPUT_EN, SD_OUTPUT_EN);
+ if (err < 0)
+ return err;
+
++ /* send at least 74 clocks */
++ rtsx_pci_write_register(pcr, SD_BUS_STAT, SD_CLK_TOGGLE_EN, SD_CLK_TOGGLE_EN);
++
+ if (PCI_PID(pcr) == PID_5261) {
+ /*
+ * If test mode is set switch to SD Express mandatorily,
+@@ -964,7 +971,8 @@ static int sd_power_on(struct realtek_pci_sdmmc *host)
+ }
+ }
+
+- host->power_state = SDMMC_POWER_ON;
++finish:
++ host->prev_power_state = power_mode;
+ return 0;
+ }
+
+@@ -973,7 +981,7 @@ static int sd_power_off(struct realtek_pci_sdmmc *host)
+ struct rtsx_pcr *pcr = host->pcr;
+ int err;
+
+- host->power_state = SDMMC_POWER_OFF;
++ host->prev_power_state = MMC_POWER_OFF;
+
+ rtsx_pci_init_cmd(pcr);
+
+@@ -999,7 +1007,7 @@ static int sd_set_power_mode(struct realtek_pci_sdmmc *host,
+ if (power_mode == MMC_POWER_OFF)
+ err = sd_power_off(host);
+ else
+- err = sd_power_on(host);
++ err = sd_power_on(host, power_mode);
+
+ return err;
+ }
+@@ -1482,10 +1490,11 @@ static int rtsx_pci_sdmmc_drv_probe(struct platform_device *pdev)
+
+ host = mmc_priv(mmc);
+ host->pcr = pcr;
++ mmc->ios.power_delay_ms = 5;
+ host->mmc = mmc;
+ host->pdev = pdev;
+ host->cookie = -1;
+- host->power_state = SDMMC_POWER_OFF;
++ host->prev_power_state = MMC_POWER_OFF;
+ INIT_WORK(&host->work, sd_request);
+ platform_set_drvdata(pdev, host);
+ pcr->slots[RTSX_SD_CARD].p_dev = pdev;
+diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
+index 50c71e0ba5e4e..ff9f5b63c337e 100644
+--- a/drivers/mmc/host/sdhci-msm.c
++++ b/drivers/mmc/host/sdhci-msm.c
+@@ -17,6 +17,7 @@
+ #include <linux/regulator/consumer.h>
+ #include <linux/interconnect.h>
+ #include <linux/pinctrl/consumer.h>
++#include <linux/reset.h>
+
+ #include "sdhci-pltfm.h"
+ #include "cqhci.h"
+@@ -2482,6 +2483,43 @@ static inline void sdhci_msm_get_of_property(struct platform_device *pdev,
+ of_property_read_u32(node, "qcom,dll-config", &msm_host->dll_config);
+ }
+
++static int sdhci_msm_gcc_reset(struct device *dev, struct sdhci_host *host)
++{
++ struct reset_control *reset;
++ int ret = 0;
++
++ reset = reset_control_get_optional_exclusive(dev, NULL);
++ if (IS_ERR(reset))
++ return dev_err_probe(dev, PTR_ERR(reset),
++ "unable to acquire core_reset\n");
++
++ if (!reset)
++ return ret;
++
++ ret = reset_control_assert(reset);
++ if (ret) {
++ reset_control_put(reset);
++ return dev_err_probe(dev, ret, "core_reset assert failed\n");
++ }
++
++ /*
++ * The hardware requirement for delay between assert/deassert
++ * is at least 3-4 sleep clock (32.7KHz) cycles, which comes to
++ * ~125us (4/32768). To be on the safe side add 200us delay.
++ */
++ usleep_range(200, 210);
++
++ ret = reset_control_deassert(reset);
++ if (ret) {
++ reset_control_put(reset);
++ return dev_err_probe(dev, ret, "core_reset deassert failed\n");
++ }
++
++ usleep_range(200, 210);
++ reset_control_put(reset);
++
++ return ret;
++}
+
+ static int sdhci_msm_probe(struct platform_device *pdev)
+ {
+@@ -2529,6 +2567,10 @@ static int sdhci_msm_probe(struct platform_device *pdev)
+
+ msm_host->saved_tuning_phase = INVALID_TUNING_PHASE;
+
++ ret = sdhci_msm_gcc_reset(&pdev->dev, host);
++ if (ret)
++ goto pltfm_free;
++
+ /* Setup SDCC bus voter clock. */
+ msm_host->bus_clk = devm_clk_get(&pdev->dev, "bus");
+ if (!IS_ERR(msm_host->bus_clk)) {
+diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
+index 2702736a1c57d..ce6cb8be654ef 100644
+--- a/drivers/mmc/host/sunxi-mmc.c
++++ b/drivers/mmc/host/sunxi-mmc.c
+@@ -377,8 +377,9 @@ static void sunxi_mmc_init_idma_des(struct sunxi_mmc_host *host,
+ pdes[i].buf_addr_ptr1 =
+ cpu_to_le32(sg_dma_address(&data->sg[i]) >>
+ host->cfg->idma_des_shift);
+- pdes[i].buf_addr_ptr2 = cpu_to_le32((u32)next_desc >>
+- host->cfg->idma_des_shift);
++ pdes[i].buf_addr_ptr2 =
++ cpu_to_le32(next_desc >>
++ host->cfg->idma_des_shift);
+ }
+
+ pdes[0].config |= cpu_to_le32(SDXC_IDMAC_DES0_FD);
+diff --git a/drivers/net/can/grcan.c b/drivers/net/can/grcan.c
+index 78e27940b2aff..daee3652ac8b3 100644
+--- a/drivers/net/can/grcan.c
++++ b/drivers/net/can/grcan.c
+@@ -241,13 +241,14 @@ struct grcan_device_config {
+ .rxsize = GRCAN_DEFAULT_BUFFER_SIZE, \
+ }
+
+-#define GRCAN_TXBUG_SAFE_GRLIB_VERSION 0x4100
++#define GRCAN_TXBUG_SAFE_GRLIB_VERSION 4100
+ #define GRLIB_VERSION_MASK 0xffff
+
+ /* GRCAN private data structure */
+ struct grcan_priv {
+ struct can_priv can; /* must be the first member */
+ struct net_device *dev;
++ struct device *ofdev_dev;
+ struct napi_struct napi;
+
+ struct grcan_registers __iomem *regs; /* ioremap'ed registers */
+@@ -924,7 +925,7 @@ static void grcan_free_dma_buffers(struct net_device *dev)
+ struct grcan_priv *priv = netdev_priv(dev);
+ struct grcan_dma *dma = &priv->dma;
+
+- dma_free_coherent(&dev->dev, dma->base_size, dma->base_buf,
++ dma_free_coherent(priv->ofdev_dev, dma->base_size, dma->base_buf,
+ dma->base_handle);
+ memset(dma, 0, sizeof(*dma));
+ }
+@@ -949,7 +950,7 @@ static int grcan_allocate_dma_buffers(struct net_device *dev,
+
+ /* Extra GRCAN_BUFFER_ALIGNMENT to allow for alignment */
+ dma->base_size = lsize + ssize + GRCAN_BUFFER_ALIGNMENT;
+- dma->base_buf = dma_alloc_coherent(&dev->dev,
++ dma->base_buf = dma_alloc_coherent(priv->ofdev_dev,
+ dma->base_size,
+ &dma->base_handle,
+ GFP_KERNEL);
+@@ -1113,8 +1114,10 @@ static int grcan_close(struct net_device *dev)
+
+ priv->closing = true;
+ if (priv->need_txbug_workaround) {
++ spin_unlock_irqrestore(&priv->lock, flags);
+ del_timer_sync(&priv->hang_timer);
+ del_timer_sync(&priv->rr_timer);
++ spin_lock_irqsave(&priv->lock, flags);
+ }
+ netif_stop_queue(dev);
+ grcan_stop_hardware(dev);
+@@ -1134,7 +1137,7 @@ static int grcan_close(struct net_device *dev)
+ return 0;
+ }
+
+-static int grcan_transmit_catch_up(struct net_device *dev, int budget)
++static void grcan_transmit_catch_up(struct net_device *dev)
+ {
+ struct grcan_priv *priv = netdev_priv(dev);
+ unsigned long flags;
+@@ -1142,7 +1145,7 @@ static int grcan_transmit_catch_up(struct net_device *dev, int budget)
+
+ spin_lock_irqsave(&priv->lock, flags);
+
+- work_done = catch_up_echo_skb(dev, budget, true);
++ work_done = catch_up_echo_skb(dev, -1, true);
+ if (work_done) {
+ if (!priv->resetting && !priv->closing &&
+ !(priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY))
+@@ -1156,8 +1159,6 @@ static int grcan_transmit_catch_up(struct net_device *dev, int budget)
+ }
+
+ spin_unlock_irqrestore(&priv->lock, flags);
+-
+- return work_done;
+ }
+
+ static int grcan_receive(struct net_device *dev, int budget)
+@@ -1239,19 +1240,13 @@ static int grcan_poll(struct napi_struct *napi, int budget)
+ struct net_device *dev = priv->dev;
+ struct grcan_registers __iomem *regs = priv->regs;
+ unsigned long flags;
+- int tx_work_done, rx_work_done;
+- int rx_budget = budget / 2;
+- int tx_budget = budget - rx_budget;
++ int work_done;
+
+- /* Half of the budget for receiving messages */
+- rx_work_done = grcan_receive(dev, rx_budget);
++ work_done = grcan_receive(dev, budget);
+
+- /* Half of the budget for transmitting messages as that can trigger echo
+- * frames being received
+- */
+- tx_work_done = grcan_transmit_catch_up(dev, tx_budget);
++ grcan_transmit_catch_up(dev);
+
+- if (rx_work_done < rx_budget && tx_work_done < tx_budget) {
++ if (work_done < budget) {
+ napi_complete(napi);
+
+ /* Guarantee no interference with a running reset that otherwise
+@@ -1268,7 +1263,7 @@ static int grcan_poll(struct napi_struct *napi, int budget)
+ spin_unlock_irqrestore(&priv->lock, flags);
+ }
+
+- return rx_work_done + tx_work_done;
++ return work_done;
+ }
+
+ /* Work tx bug by waiting while for the risky situation to clear. If that fails,
+@@ -1600,6 +1595,7 @@ static int grcan_setup_netdev(struct platform_device *ofdev,
+ memcpy(&priv->config, &grcan_module_config,
+ sizeof(struct grcan_device_config));
+ priv->dev = dev;
++ priv->ofdev_dev = &ofdev->dev;
+ priv->regs = base;
+ priv->can.bittiming_const = &grcan_bittiming_const;
+ priv->can.do_set_bittiming = grcan_set_bittiming;
+@@ -1652,6 +1648,7 @@ exit_free_candev:
+ static int grcan_probe(struct platform_device *ofdev)
+ {
+ struct device_node *np = ofdev->dev.of_node;
++ struct device_node *sysid_parent;
+ u32 sysid, ambafreq;
+ int irq, err;
+ void __iomem *base;
+@@ -1660,10 +1657,15 @@ static int grcan_probe(struct platform_device *ofdev)
+ /* Compare GRLIB version number with the first that does not
+ * have the tx bug (see start_xmit)
+ */
+- err = of_property_read_u32(np, "systemid", &sysid);
+- if (!err && ((sysid & GRLIB_VERSION_MASK)
+- >= GRCAN_TXBUG_SAFE_GRLIB_VERSION))
+- txbug = false;
++ sysid_parent = of_find_node_by_path("/ambapp0");
++ if (sysid_parent) {
++ of_node_get(sysid_parent);
++ err = of_property_read_u32(sysid_parent, "systemid", &sysid);
++ if (!err && ((sysid & GRLIB_VERSION_MASK) >=
++ GRCAN_TXBUG_SAFE_GRLIB_VERSION))
++ txbug = false;
++ of_node_put(sysid_parent);
++ }
+
+ err = of_property_read_u32(np, "freq", &ambafreq);
+ if (err) {
+diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
+index 14bf1828cbba3..ca9e171cb2bb0 100644
+--- a/drivers/net/dsa/mt7530.c
++++ b/drivers/net/dsa/mt7530.c
+@@ -2216,6 +2216,7 @@ mt7530_setup(struct dsa_switch *ds)
+ ret = of_get_phy_mode(mac_np, &interface);
+ if (ret && ret != -ENODEV) {
+ of_node_put(mac_np);
++ of_node_put(phy_node);
+ return ret;
+ }
+ id = of_mdio_parse_addr(ds->dev, phy_node);
+diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+index 8b078c319872f..cb53149455890 100644
+--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
++++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+@@ -2699,6 +2699,10 @@ static int bnxt_poll_p5(struct napi_struct *napi, int budget)
+ u32 idx = le32_to_cpu(nqcmp->cq_handle_low);
+ struct bnxt_cp_ring_info *cpr2;
+
++ /* No more budget for RX work */
++ if (budget && work_done >= budget && idx == BNXT_RX_HDL)
++ break;
++
+ cpr2 = cpr->cp_ring_arr[idx];
+ work_done += __bnxt_poll_work(bp, cpr2,
+ budget - work_done);
+@@ -10881,7 +10885,7 @@ static bool bnxt_rfs_capable(struct bnxt *bp)
+
+ if (bp->flags & BNXT_FLAG_CHIP_P5)
+ return bnxt_rfs_supported(bp);
+- if (!(bp->flags & BNXT_FLAG_MSIX_CAP) || !bnxt_can_reserve_rings(bp))
++ if (!(bp->flags & BNXT_FLAG_MSIX_CAP) || !bnxt_can_reserve_rings(bp) || !bp->rx_nr_rings)
+ return false;
+
+ vnics = 1 + bp->rx_nr_rings;
+@@ -13087,10 +13091,9 @@ static int bnxt_init_dflt_ring_mode(struct bnxt *bp)
+ goto init_dflt_ring_err;
+
+ bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
+- if (bnxt_rfs_supported(bp) && bnxt_rfs_capable(bp)) {
+- bp->flags |= BNXT_FLAG_RFS;
+- bp->dev->features |= NETIF_F_NTUPLE;
+- }
++
++ bnxt_set_dflt_rfs(bp);
++
+ init_dflt_ring_err:
+ bnxt_ulp_irq_restart(bp, rc);
+ return rc;
+diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c b/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c
+index 7f0f1aa3cedd9..0c1b0a91b1aed 100644
+--- a/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c
++++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_wq.c
+@@ -772,7 +772,7 @@ struct hinic_hw_wqe *hinic_get_wqe(struct hinic_wq *wq, unsigned int wqe_size,
+ /* If we only have one page, still need to get shadown wqe when
+ * wqe rolling-over page
+ */
+- if (curr_pg != end_pg || MASKED_WQE_IDX(wq, end_prod_idx) < *prod_idx) {
++ if (curr_pg != end_pg || end_prod_idx < *prod_idx) {
+ void *shadow_addr = &wq->shadow_wqe[curr_pg * wq->max_wqe_size];
+
+ copy_wqe_to_shadow(wq, shadow_addr, num_wqebbs, *prod_idx);
+@@ -842,7 +842,10 @@ struct hinic_hw_wqe *hinic_read_wqe(struct hinic_wq *wq, unsigned int wqe_size,
+
+ *cons_idx = curr_cons_idx;
+
+- if (curr_pg != end_pg) {
++ /* If we only have one page, still need to get shadown wqe when
++ * wqe rolling-over page
++ */
++ if (curr_pg != end_pg || end_cons_idx < curr_cons_idx) {
+ void *shadow_addr = &wq->shadow_wqe[curr_pg * wq->max_wqe_size];
+
+ copy_wqe_to_shadow(wq, shadow_addr, num_wqebbs, *cons_idx);
+diff --git a/drivers/net/ethernet/mediatek/mtk_sgmii.c b/drivers/net/ethernet/mediatek/mtk_sgmii.c
+index 32d83421226a2..5897940a418b6 100644
+--- a/drivers/net/ethernet/mediatek/mtk_sgmii.c
++++ b/drivers/net/ethernet/mediatek/mtk_sgmii.c
+@@ -26,6 +26,7 @@ int mtk_sgmii_init(struct mtk_sgmii *ss, struct device_node *r, u32 ana_rgc3)
+ break;
+
+ ss->regmap[i] = syscon_node_to_regmap(np);
++ of_node_put(np);
+ if (IS_ERR(ss->regmap[i]))
+ return PTR_ERR(ss->regmap[i]);
+ }
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/rsc_dump.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/rsc_dump.c
+index ed4fb79b4db76..75b6060f7a9ae 100644
+--- a/drivers/net/ethernet/mellanox/mlx5/core/diag/rsc_dump.c
++++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/rsc_dump.c
+@@ -31,6 +31,7 @@ static const char *const mlx5_rsc_sgmt_name[] = {
+ struct mlx5_rsc_dump {
+ u32 pdn;
+ struct mlx5_core_mkey mkey;
++ u32 number_of_menu_items;
+ u16 fw_segment_type[MLX5_SGMT_TYPE_NUM];
+ };
+
+@@ -50,21 +51,37 @@ static int mlx5_rsc_dump_sgmt_get_by_name(char *name)
+ return -EINVAL;
+ }
+
+-static void mlx5_rsc_dump_read_menu_sgmt(struct mlx5_rsc_dump *rsc_dump, struct page *page)
++#define MLX5_RSC_DUMP_MENU_HEADER_SIZE (MLX5_ST_SZ_BYTES(resource_dump_info_segment) + \
++ MLX5_ST_SZ_BYTES(resource_dump_command_segment) + \
++ MLX5_ST_SZ_BYTES(resource_dump_menu_segment))
++
++static int mlx5_rsc_dump_read_menu_sgmt(struct mlx5_rsc_dump *rsc_dump, struct page *page,
++ int read_size, int start_idx)
+ {
+ void *data = page_address(page);
+ enum mlx5_sgmt_type sgmt_idx;
+ int num_of_items;
+ char *sgmt_name;
+ void *member;
++ int size = 0;
+ void *menu;
+ int i;
+
+- menu = MLX5_ADDR_OF(menu_resource_dump_response, data, menu);
+- num_of_items = MLX5_GET(resource_dump_menu_segment, menu, num_of_records);
++ if (!start_idx) {
++ menu = MLX5_ADDR_OF(menu_resource_dump_response, data, menu);
++ rsc_dump->number_of_menu_items = MLX5_GET(resource_dump_menu_segment, menu,
++ num_of_records);
++ size = MLX5_RSC_DUMP_MENU_HEADER_SIZE;
++ data += size;
++ }
++ num_of_items = rsc_dump->number_of_menu_items;
++
++ for (i = 0; start_idx + i < num_of_items; i++) {
++ size += MLX5_ST_SZ_BYTES(resource_dump_menu_record);
++ if (size >= read_size)
++ return start_idx + i;
+
+- for (i = 0; i < num_of_items; i++) {
+- member = MLX5_ADDR_OF(resource_dump_menu_segment, menu, record[i]);
++ member = data + MLX5_ST_SZ_BYTES(resource_dump_menu_record) * i;
+ sgmt_name = MLX5_ADDR_OF(resource_dump_menu_record, member, segment_name);
+ sgmt_idx = mlx5_rsc_dump_sgmt_get_by_name(sgmt_name);
+ if (sgmt_idx == -EINVAL)
+@@ -72,6 +89,7 @@ static void mlx5_rsc_dump_read_menu_sgmt(struct mlx5_rsc_dump *rsc_dump, struct
+ rsc_dump->fw_segment_type[sgmt_idx] = MLX5_GET(resource_dump_menu_record,
+ member, segment_type);
+ }
++ return 0;
+ }
+
+ static int mlx5_rsc_dump_trigger(struct mlx5_core_dev *dev, struct mlx5_rsc_dump_cmd *cmd,
+@@ -168,6 +186,7 @@ static int mlx5_rsc_dump_menu(struct mlx5_core_dev *dev)
+ struct mlx5_rsc_dump_cmd *cmd = NULL;
+ struct mlx5_rsc_key key = {};
+ struct page *page;
++ int start_idx = 0;
+ int size;
+ int err;
+
+@@ -189,7 +208,7 @@ static int mlx5_rsc_dump_menu(struct mlx5_core_dev *dev)
+ if (err < 0)
+ goto destroy_cmd;
+
+- mlx5_rsc_dump_read_menu_sgmt(dev->rsc_dump, page);
++ start_idx = mlx5_rsc_dump_read_menu_sgmt(dev->rsc_dump, page, size, start_idx);
+
+ } while (err > 0);
+
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
+index 673f1c82d3815..c9d5d8d93994d 100644
+--- a/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
++++ b/drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
+@@ -309,8 +309,8 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv,
+ if (err)
+ return err;
+
+- err = update_buffer_lossy(max_mtu, curr_pfc_en, prio2buffer, port_buff_cell_sz,
+- xoff, &port_buffer, &update_buffer);
++ err = update_buffer_lossy(max_mtu, curr_pfc_en, prio2buffer, xoff,
++ port_buff_cell_sz, &port_buffer, &update_buffer);
+ if (err)
+ return err;
+ }
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
+index bc65151321ec2..d4b7b4d73b08e 100644
+--- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
++++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c
+@@ -1699,6 +1699,8 @@ mlx5_tc_ct_flush_ft_entry(void *ptr, void *arg)
+ static void
+ mlx5_tc_ct_del_ft_cb(struct mlx5_tc_ct_priv *ct_priv, struct mlx5_ct_ft *ft)
+ {
++ struct mlx5e_priv *priv;
++
+ if (!refcount_dec_and_test(&ft->refcount))
+ return;
+
+@@ -1708,6 +1710,8 @@ mlx5_tc_ct_del_ft_cb(struct mlx5_tc_ct_priv *ct_priv, struct mlx5_ct_ft *ft)
+ rhashtable_free_and_destroy(&ft->ct_entries_ht,
+ mlx5_tc_ct_flush_ft_entry,
+ ct_priv);
++ priv = netdev_priv(ct_priv->netdev);
++ flush_workqueue(priv->wq);
+ mlx5_tc_ct_free_pre_ct_tables(ft);
+ mapping_remove(ct_priv->zone_mapping, ft->zone_restore_id);
+ kfree(ft);
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
+index a4c8d8d00d5a4..72e08559e0d05 100644
+--- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
++++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c
+@@ -1198,6 +1198,16 @@ static int mlx5e_trust_initialize(struct mlx5e_priv *priv)
+ if (err)
+ return err;
+
++ if (priv->dcbx_dp.trust_state == MLX5_QPTS_TRUST_PCP && priv->dcbx.dscp_app_cnt) {
++ /*
++ * Align the driver state with the register state.
++ * Temporary state change is required to enable the app list reset.
++ */
++ priv->dcbx_dp.trust_state = MLX5_QPTS_TRUST_DSCP;
++ mlx5e_dcbnl_delete_app(priv);
++ priv->dcbx_dp.trust_state = MLX5_QPTS_TRUST_PCP;
++ }
++
+ mlx5e_params_calc_trust_tx_min_inline_mode(priv->mdev, &priv->channels.params,
+ priv->dcbx_dp.trust_state);
+
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+index 8b041deb25e5f..60a4ac0ca76da 100644
+--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
++++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+@@ -2291,6 +2291,17 @@ static int __parse_cls_flower(struct mlx5e_priv *priv,
+ match.key->vlan_priority);
+
+ *match_level = MLX5_MATCH_L2;
++
++ if (!flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CVLAN) &&
++ match.mask->vlan_eth_type &&
++ MLX5_CAP_FLOWTABLE_TYPE(priv->mdev,
++ ft_field_support.outer_second_vid,
++ fs_type)) {
++ MLX5_SET(fte_match_set_misc, misc_c,
++ outer_second_cvlan_tag, 1);
++ spec->match_criteria_enable |=
++ MLX5_MATCH_MISC_PARAMETERS;
++ }
+ }
+ } else if (*match_level != MLX5_MATCH_NONE) {
+ /* cvlan_tag enabled in match criteria and
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c b/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c
+index a45c6f25add16..8c2b249949b97 100644
+--- a/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c
++++ b/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c
+@@ -111,6 +111,28 @@ static void mlx5_fw_reset_complete_reload(struct mlx5_core_dev *dev)
+ }
+ }
+
++static void mlx5_stop_sync_reset_poll(struct mlx5_core_dev *dev)
++{
++ struct mlx5_fw_reset *fw_reset = dev->priv.fw_reset;
++
++ del_timer_sync(&fw_reset->timer);
++}
++
++static int mlx5_sync_reset_clear_reset_requested(struct mlx5_core_dev *dev, bool poll_health)
++{
++ struct mlx5_fw_reset *fw_reset = dev->priv.fw_reset;
++
++ if (!test_and_clear_bit(MLX5_FW_RESET_FLAGS_RESET_REQUESTED, &fw_reset->reset_flags)) {
++ mlx5_core_warn(dev, "Reset request was already cleared\n");
++ return -EALREADY;
++ }
++
++ mlx5_stop_sync_reset_poll(dev);
++ if (poll_health)
++ mlx5_start_health_poll(dev);
++ return 0;
++}
++
+ static void mlx5_sync_reset_reload_work(struct work_struct *work)
+ {
+ struct mlx5_fw_reset *fw_reset = container_of(work, struct mlx5_fw_reset,
+@@ -118,6 +140,7 @@ static void mlx5_sync_reset_reload_work(struct work_struct *work)
+ struct mlx5_core_dev *dev = fw_reset->dev;
+ int err;
+
++ mlx5_sync_reset_clear_reset_requested(dev, false);
+ mlx5_enter_error_state(dev, true);
+ mlx5_unload_one(dev);
+ err = mlx5_health_wait_pci_up(dev);
+@@ -127,23 +150,6 @@ static void mlx5_sync_reset_reload_work(struct work_struct *work)
+ mlx5_fw_reset_complete_reload(dev);
+ }
+
+-static void mlx5_stop_sync_reset_poll(struct mlx5_core_dev *dev)
+-{
+- struct mlx5_fw_reset *fw_reset = dev->priv.fw_reset;
+-
+- del_timer_sync(&fw_reset->timer);
+-}
+-
+-static void mlx5_sync_reset_clear_reset_requested(struct mlx5_core_dev *dev, bool poll_health)
+-{
+- struct mlx5_fw_reset *fw_reset = dev->priv.fw_reset;
+-
+- mlx5_stop_sync_reset_poll(dev);
+- clear_bit(MLX5_FW_RESET_FLAGS_RESET_REQUESTED, &fw_reset->reset_flags);
+- if (poll_health)
+- mlx5_start_health_poll(dev);
+-}
+-
+ #define MLX5_RESET_POLL_INTERVAL (HZ / 10)
+ static void poll_sync_reset(struct timer_list *t)
+ {
+@@ -158,7 +164,6 @@ static void poll_sync_reset(struct timer_list *t)
+
+ if (fatal_error) {
+ mlx5_core_warn(dev, "Got Device Reset\n");
+- mlx5_sync_reset_clear_reset_requested(dev, false);
+ queue_work(fw_reset->wq, &fw_reset->reset_reload_work);
+ return;
+ }
+@@ -185,13 +190,17 @@ static int mlx5_fw_reset_set_reset_sync_nack(struct mlx5_core_dev *dev)
+ return mlx5_reg_mfrl_set(dev, MLX5_MFRL_REG_RESET_LEVEL3, 0, 2, false);
+ }
+
+-static void mlx5_sync_reset_set_reset_requested(struct mlx5_core_dev *dev)
++static int mlx5_sync_reset_set_reset_requested(struct mlx5_core_dev *dev)
+ {
+ struct mlx5_fw_reset *fw_reset = dev->priv.fw_reset;
+
++ if (test_and_set_bit(MLX5_FW_RESET_FLAGS_RESET_REQUESTED, &fw_reset->reset_flags)) {
++ mlx5_core_warn(dev, "Reset request was already set\n");
++ return -EALREADY;
++ }
+ mlx5_stop_health_poll(dev, true);
+- set_bit(MLX5_FW_RESET_FLAGS_RESET_REQUESTED, &fw_reset->reset_flags);
+ mlx5_start_sync_reset_poll(dev);
++ return 0;
+ }
+
+ static void mlx5_fw_live_patch_event(struct work_struct *work)
+@@ -220,7 +229,9 @@ static void mlx5_sync_reset_request_event(struct work_struct *work)
+ err ? "Failed" : "Sent");
+ return;
+ }
+- mlx5_sync_reset_set_reset_requested(dev);
++ if (mlx5_sync_reset_set_reset_requested(dev))
++ return;
++
+ err = mlx5_fw_reset_set_reset_sync_ack(dev);
+ if (err)
+ mlx5_core_warn(dev, "PCI Sync FW Update Reset Ack Failed. Error code: %d\n", err);
+@@ -320,7 +331,8 @@ static void mlx5_sync_reset_now_event(struct work_struct *work)
+ struct mlx5_core_dev *dev = fw_reset->dev;
+ int err;
+
+- mlx5_sync_reset_clear_reset_requested(dev, false);
++ if (mlx5_sync_reset_clear_reset_requested(dev, false))
++ return;
+
+ mlx5_core_warn(dev, "Sync Reset now. Device is going to reset.\n");
+
+@@ -349,10 +361,8 @@ static void mlx5_sync_reset_abort_event(struct work_struct *work)
+ reset_abort_work);
+ struct mlx5_core_dev *dev = fw_reset->dev;
+
+- if (!test_bit(MLX5_FW_RESET_FLAGS_RESET_REQUESTED, &fw_reset->reset_flags))
++ if (mlx5_sync_reset_clear_reset_requested(dev, true))
+ return;
+-
+- mlx5_sync_reset_clear_reset_requested(dev, true);
+ mlx5_core_warn(dev, "PCI Sync FW Update Reset Aborted.\n");
+ }
+
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
+index cb0a48d374a3c..81786a9a424c8 100644
+--- a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
++++ b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
+@@ -100,6 +100,14 @@ static void mlx5_lag_fib_event_flush(struct notifier_block *nb)
+ flush_workqueue(mp->wq);
+ }
+
++static void mlx5_lag_fib_set(struct lag_mp *mp, struct fib_info *fi, u32 dst, int dst_len)
++{
++ mp->fib.mfi = fi;
++ mp->fib.priority = fi->fib_priority;
++ mp->fib.dst = dst;
++ mp->fib.dst_len = dst_len;
++}
++
+ struct mlx5_fib_event_work {
+ struct work_struct work;
+ struct mlx5_lag *ldev;
+@@ -110,10 +118,10 @@ struct mlx5_fib_event_work {
+ };
+ };
+
+-static void mlx5_lag_fib_route_event(struct mlx5_lag *ldev,
+- unsigned long event,
+- struct fib_info *fi)
++static void mlx5_lag_fib_route_event(struct mlx5_lag *ldev, unsigned long event,
++ struct fib_entry_notifier_info *fen_info)
+ {
++ struct fib_info *fi = fen_info->fi;
+ struct lag_mp *mp = &ldev->lag_mp;
+ struct fib_nh *fib_nh0, *fib_nh1;
+ unsigned int nhs;
+@@ -121,13 +129,15 @@ static void mlx5_lag_fib_route_event(struct mlx5_lag *ldev,
+ /* Handle delete event */
+ if (event == FIB_EVENT_ENTRY_DEL) {
+ /* stop track */
+- if (mp->mfi == fi)
+- mp->mfi = NULL;
++ if (mp->fib.mfi == fi)
++ mp->fib.mfi = NULL;
+ return;
+ }
+
+ /* Handle multipath entry with lower priority value */
+- if (mp->mfi && mp->mfi != fi && fi->fib_priority >= mp->mfi->fib_priority)
++ if (mp->fib.mfi && mp->fib.mfi != fi &&
++ (mp->fib.dst != fen_info->dst || mp->fib.dst_len != fen_info->dst_len) &&
++ fi->fib_priority >= mp->fib.priority)
+ return;
+
+ /* Handle add/replace event */
+@@ -143,9 +153,9 @@ static void mlx5_lag_fib_route_event(struct mlx5_lag *ldev,
+
+ i++;
+ mlx5_lag_set_port_affinity(ldev, i);
++ mlx5_lag_fib_set(mp, fi, fen_info->dst, fen_info->dst_len);
+ }
+
+- mp->mfi = fi;
+ return;
+ }
+
+@@ -165,7 +175,7 @@ static void mlx5_lag_fib_route_event(struct mlx5_lag *ldev,
+ }
+
+ /* First time we see multipath route */
+- if (!mp->mfi && !__mlx5_lag_is_active(ldev)) {
++ if (!mp->fib.mfi && !__mlx5_lag_is_active(ldev)) {
+ struct lag_tracker tracker;
+
+ tracker = ldev->tracker;
+@@ -173,7 +183,7 @@ static void mlx5_lag_fib_route_event(struct mlx5_lag *ldev,
+ }
+
+ mlx5_lag_set_port_affinity(ldev, MLX5_LAG_NORMAL_AFFINITY);
+- mp->mfi = fi;
++ mlx5_lag_fib_set(mp, fi, fen_info->dst, fen_info->dst_len);
+ }
+
+ static void mlx5_lag_fib_nexthop_event(struct mlx5_lag *ldev,
+@@ -184,7 +194,7 @@ static void mlx5_lag_fib_nexthop_event(struct mlx5_lag *ldev,
+ struct lag_mp *mp = &ldev->lag_mp;
+
+ /* Check the nh event is related to the route */
+- if (!mp->mfi || mp->mfi != fi)
++ if (!mp->fib.mfi || mp->fib.mfi != fi)
+ return;
+
+ /* nh added/removed */
+@@ -214,7 +224,7 @@ static void mlx5_lag_fib_update(struct work_struct *work)
+ case FIB_EVENT_ENTRY_REPLACE:
+ case FIB_EVENT_ENTRY_DEL:
+ mlx5_lag_fib_route_event(ldev, fib_work->event,
+- fib_work->fen_info.fi);
++ &fib_work->fen_info);
+ fib_info_put(fib_work->fen_info.fi);
+ break;
+ case FIB_EVENT_NH_ADD:
+@@ -313,7 +323,7 @@ void mlx5_lag_mp_reset(struct mlx5_lag *ldev)
+ /* Clear mfi, as it might become stale when a route delete event
+ * has been missed, see mlx5_lag_fib_route_event().
+ */
+- ldev->lag_mp.mfi = NULL;
++ ldev->lag_mp.fib.mfi = NULL;
+ }
+
+ int mlx5_lag_mp_init(struct mlx5_lag *ldev)
+@@ -324,7 +334,7 @@ int mlx5_lag_mp_init(struct mlx5_lag *ldev)
+ /* always clear mfi, as it might become stale when a route delete event
+ * has been missed
+ */
+- mp->mfi = NULL;
++ mp->fib.mfi = NULL;
+
+ if (mp->fib_nb.notifier_call)
+ return 0;
+@@ -354,5 +364,5 @@ void mlx5_lag_mp_cleanup(struct mlx5_lag *ldev)
+ unregister_fib_notifier(&init_net, &mp->fib_nb);
+ destroy_workqueue(mp->wq);
+ mp->fib_nb.notifier_call = NULL;
+- mp->mfi = NULL;
++ mp->fib.mfi = NULL;
+ }
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.h b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.h
+index dea199e79beda..b3a7f18b9e303 100644
+--- a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.h
++++ b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.h
+@@ -15,7 +15,12 @@ enum mlx5_lag_port_affinity {
+
+ struct lag_mp {
+ struct notifier_block fib_nb;
+- struct fib_info *mfi; /* used in tracking fib events */
++ struct {
++ const void *mfi; /* used in tracking fib events */
++ u32 priority;
++ u32 dst;
++ int dst_len;
++ } fib;
+ struct workqueue_struct *wq;
+ };
+
+diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
+index 199a973392806..592e191adbf7d 100644
+--- a/drivers/net/ethernet/smsc/smsc911x.c
++++ b/drivers/net/ethernet/smsc/smsc911x.c
+@@ -2429,7 +2429,7 @@ static int smsc911x_drv_probe(struct platform_device *pdev)
+ if (irq == -EPROBE_DEFER) {
+ retval = -EPROBE_DEFER;
+ goto out_0;
+- } else if (irq <= 0) {
++ } else if (irq < 0) {
+ pr_warn("Could not allocate irq resource\n");
+ retval = -ENODEV;
+ goto out_0;
+diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+index 8e8778cfbbadd..6f87e296a410f 100644
+--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
++++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
+@@ -454,6 +454,7 @@ static int intel_mgbe_common_data(struct pci_dev *pdev,
+ plat->has_gmac4 = 1;
+ plat->force_sf_dma_mode = 0;
+ plat->tso_en = 1;
++ plat->sph_disable = 1;
+
+ /* Multiplying factor to the clk_eee_i clock time
+ * period to make it closer to 100 ns. This value
+diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+index 13fbb68158c66..06e2af9387d7c 100644
+--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
++++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+@@ -916,6 +916,7 @@ static int sun8i_dwmac_register_mdio_mux(struct stmmac_priv *priv)
+
+ ret = mdio_mux_init(priv->device, mdio_mux, mdio_mux_syscon_switch_fn,
+ &gmac->mux_handle, priv, priv->mii);
++ of_node_put(mdio_mux);
+ return ret;
+ }
+
+diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+index 9376c4e286268..9c1e19ea6fcd0 100644
+--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
++++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+@@ -7081,7 +7081,7 @@ int stmmac_dvr_probe(struct device *device,
+ dev_info(priv->device, "TSO feature enabled\n");
+ }
+
+- if (priv->dma_cap.sphen) {
++ if (priv->dma_cap.sphen && !priv->plat->sph_disable) {
+ ndev->hw_features |= NETIF_F_GRO;
+ priv->sph_cap = true;
+ priv->sph = priv->sph_cap;
+diff --git a/drivers/net/ethernet/ti/cpsw_new.c b/drivers/net/ethernet/ti/cpsw_new.c
+index 9e16afbdbdc1d..277c91d135708 100644
+--- a/drivers/net/ethernet/ti/cpsw_new.c
++++ b/drivers/net/ethernet/ti/cpsw_new.c
+@@ -1246,8 +1246,10 @@ static int cpsw_probe_dt(struct cpsw_common *cpsw)
+ data->slave_data = devm_kcalloc(dev, CPSW_SLAVE_PORTS_NUM,
+ sizeof(struct cpsw_slave_data),
+ GFP_KERNEL);
+- if (!data->slave_data)
++ if (!data->slave_data) {
++ of_node_put(tmp_node);
+ return -ENOMEM;
++ }
+
+ /* Populate all the child nodes here...
+ */
+@@ -1341,6 +1343,7 @@ static int cpsw_probe_dt(struct cpsw_common *cpsw)
+
+ err_node_put:
+ of_node_put(port_np);
++ of_node_put(tmp_node);
+ return ret;
+ }
+
+diff --git a/drivers/net/ethernet/xilinx/xilinx_emaclite.c b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+index 5524ac4fae80a..642472de5a08b 100644
+--- a/drivers/net/ethernet/xilinx/xilinx_emaclite.c
++++ b/drivers/net/ethernet/xilinx/xilinx_emaclite.c
+@@ -822,10 +822,10 @@ static int xemaclite_mdio_write(struct mii_bus *bus, int phy_id, int reg,
+ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
+ {
+ struct mii_bus *bus;
+- int rc;
+ struct resource res;
+ struct device_node *np = of_get_parent(lp->phy_node);
+ struct device_node *npp;
++ int rc, ret;
+
+ /* Don't register the MDIO bus if the phy_node or its parent node
+ * can't be found.
+@@ -835,8 +835,14 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
+ return -ENODEV;
+ }
+ npp = of_get_parent(np);
+-
+- of_address_to_resource(npp, 0, &res);
++ ret = of_address_to_resource(npp, 0, &res);
++ of_node_put(npp);
++ if (ret) {
++ dev_err(dev, "%s resource error!\n",
++ dev->of_node->full_name);
++ of_node_put(np);
++ return ret;
++ }
+ if (lp->ndev->mem_start != res.start) {
+ struct phy_device *phydev;
+ phydev = of_phy_find_device(lp->phy_node);
+@@ -845,6 +851,7 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
+ "MDIO of the phy is not registered yet\n");
+ else
+ put_device(&phydev->mdio.dev);
++ of_node_put(np);
+ return 0;
+ }
+
+@@ -857,6 +864,7 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
+ bus = mdiobus_alloc();
+ if (!bus) {
+ dev_err(dev, "Failed to allocate mdiobus\n");
++ of_node_put(np);
+ return -ENOMEM;
+ }
+
+@@ -869,6 +877,7 @@ static int xemaclite_mdio_setup(struct net_local *lp, struct device *dev)
+ bus->parent = dev;
+
+ rc = of_mdiobus_register(bus, np);
++ of_node_put(np);
+ if (rc) {
+ dev_err(dev, "Failed to register mdio bus.\n");
+ goto err_register;
+diff --git a/drivers/net/mdio/mdio-mux-bcm6368.c b/drivers/net/mdio/mdio-mux-bcm6368.c
+index 6dcbf987d61b5..8b444a8eb6b55 100644
+--- a/drivers/net/mdio/mdio-mux-bcm6368.c
++++ b/drivers/net/mdio/mdio-mux-bcm6368.c
+@@ -115,7 +115,7 @@ static int bcm6368_mdiomux_probe(struct platform_device *pdev)
+ md->mii_bus = devm_mdiobus_alloc(&pdev->dev);
+ if (!md->mii_bus) {
+ dev_err(&pdev->dev, "mdiomux bus alloc failed\n");
+- return ENOMEM;
++ return -ENOMEM;
+ }
+
+ bus = md->mii_bus;
+diff --git a/drivers/nfc/nfcmrvl/main.c b/drivers/nfc/nfcmrvl/main.c
+index 2fcf545012b16..1a5284de4341b 100644
+--- a/drivers/nfc/nfcmrvl/main.c
++++ b/drivers/nfc/nfcmrvl/main.c
+@@ -183,6 +183,7 @@ void nfcmrvl_nci_unregister_dev(struct nfcmrvl_private *priv)
+ {
+ struct nci_dev *ndev = priv->ndev;
+
++ nci_unregister_device(ndev);
+ if (priv->ndev->nfc_dev->fw_download_in_progress)
+ nfcmrvl_fw_dnld_abort(priv);
+
+@@ -191,7 +192,6 @@ void nfcmrvl_nci_unregister_dev(struct nfcmrvl_private *priv)
+ if (gpio_is_valid(priv->config.reset_n_io))
+ gpio_free(priv->config.reset_n_io);
+
+- nci_unregister_device(ndev);
+ nci_free_device(ndev);
+ kfree(priv);
+ }
+diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
+index 6277b3f3031a0..ff45052cf48de 100644
+--- a/drivers/pci/controller/pci-aardvark.c
++++ b/drivers/pci/controller/pci-aardvark.c
+@@ -38,10 +38,6 @@
+ #define PCIE_CORE_ERR_CAPCTL_ECRC_CHK_TX_EN BIT(6)
+ #define PCIE_CORE_ERR_CAPCTL_ECRC_CHCK BIT(7)
+ #define PCIE_CORE_ERR_CAPCTL_ECRC_CHCK_RCV BIT(8)
+-#define PCIE_CORE_INT_A_ASSERT_ENABLE 1
+-#define PCIE_CORE_INT_B_ASSERT_ENABLE 2
+-#define PCIE_CORE_INT_C_ASSERT_ENABLE 3
+-#define PCIE_CORE_INT_D_ASSERT_ENABLE 4
+ /* PIO registers base address and register offsets */
+ #define PIO_BASE_ADDR 0x4000
+ #define PIO_CTRL (PIO_BASE_ADDR + 0x0)
+@@ -102,6 +98,10 @@
+ #define PCIE_MSG_PM_PME_MASK BIT(7)
+ #define PCIE_ISR0_MASK_REG (CONTROL_BASE_ADDR + 0x44)
+ #define PCIE_ISR0_MSI_INT_PENDING BIT(24)
++#define PCIE_ISR0_CORR_ERR BIT(11)
++#define PCIE_ISR0_NFAT_ERR BIT(12)
++#define PCIE_ISR0_FAT_ERR BIT(13)
++#define PCIE_ISR0_ERR_MASK GENMASK(13, 11)
+ #define PCIE_ISR0_INTX_ASSERT(val) BIT(16 + (val))
+ #define PCIE_ISR0_INTX_DEASSERT(val) BIT(20 + (val))
+ #define PCIE_ISR0_ALL_MASK GENMASK(31, 0)
+@@ -115,6 +115,7 @@
+ #define PCIE_MSI_ADDR_HIGH_REG (CONTROL_BASE_ADDR + 0x54)
+ #define PCIE_MSI_STATUS_REG (CONTROL_BASE_ADDR + 0x58)
+ #define PCIE_MSI_MASK_REG (CONTROL_BASE_ADDR + 0x5C)
++#define PCIE_MSI_ALL_MASK GENMASK(31, 0)
+ #define PCIE_MSI_PAYLOAD_REG (CONTROL_BASE_ADDR + 0x9C)
+ #define PCIE_MSI_DATA_MASK GENMASK(15, 0)
+
+@@ -271,17 +272,16 @@ struct advk_pcie {
+ u32 actions;
+ } wins[OB_WIN_COUNT];
+ u8 wins_count;
++ int irq;
++ struct irq_domain *rp_irq_domain;
+ struct irq_domain *irq_domain;
+ struct irq_chip irq_chip;
+ raw_spinlock_t irq_lock;
+ struct irq_domain *msi_domain;
+ struct irq_domain *msi_inner_domain;
+- struct irq_chip msi_bottom_irq_chip;
+- struct irq_chip msi_irq_chip;
+- struct msi_domain_info msi_domain_info;
++ raw_spinlock_t msi_irq_lock;
+ DECLARE_BITMAP(msi_used, MSI_IRQ_NUM);
+ struct mutex msi_used_lock;
+- u16 msi_msg;
+ int link_gen;
+ struct pci_bridge_emul bridge;
+ struct gpio_desc *reset_gpio;
+@@ -476,6 +476,7 @@ static void advk_pcie_disable_ob_win(struct advk_pcie *pcie, u8 win_num)
+
+ static void advk_pcie_setup_hw(struct advk_pcie *pcie)
+ {
++ phys_addr_t msi_addr;
+ u32 reg;
+ int i;
+
+@@ -564,25 +565,36 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie)
+ reg |= LANE_COUNT_1;
+ advk_writel(pcie, reg, PCIE_CORE_CTRL0_REG);
+
++ /* Set MSI address */
++ msi_addr = virt_to_phys(pcie);
++ advk_writel(pcie, lower_32_bits(msi_addr), PCIE_MSI_ADDR_LOW_REG);
++ advk_writel(pcie, upper_32_bits(msi_addr), PCIE_MSI_ADDR_HIGH_REG);
++
+ /* Enable MSI */
+ reg = advk_readl(pcie, PCIE_CORE_CTRL2_REG);
+ reg |= PCIE_CORE_CTRL2_MSI_ENABLE;
+ advk_writel(pcie, reg, PCIE_CORE_CTRL2_REG);
+
+ /* Clear all interrupts */
++ advk_writel(pcie, PCIE_MSI_ALL_MASK, PCIE_MSI_STATUS_REG);
+ advk_writel(pcie, PCIE_ISR0_ALL_MASK, PCIE_ISR0_REG);
+ advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_REG);
+ advk_writel(pcie, PCIE_IRQ_ALL_MASK, HOST_CTRL_INT_STATUS_REG);
+
+- /* Disable All ISR0/1 Sources */
+- reg = PCIE_ISR0_ALL_MASK;
++ /* Disable All ISR0/1 and MSI Sources */
++ advk_writel(pcie, PCIE_ISR0_ALL_MASK, PCIE_ISR0_MASK_REG);
++ advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_MASK_REG);
++ advk_writel(pcie, PCIE_MSI_ALL_MASK, PCIE_MSI_MASK_REG);
++
++ /* Unmask summary MSI interrupt */
++ reg = advk_readl(pcie, PCIE_ISR0_MASK_REG);
+ reg &= ~PCIE_ISR0_MSI_INT_PENDING;
+ advk_writel(pcie, reg, PCIE_ISR0_MASK_REG);
+
+- advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_MASK_REG);
+-
+- /* Unmask all MSIs */
+- advk_writel(pcie, 0, PCIE_MSI_MASK_REG);
++ /* Unmask PME interrupt for processing of PME requester */
++ reg = advk_readl(pcie, PCIE_ISR0_MASK_REG);
++ reg &= ~PCIE_MSG_PM_PME_MASK;
++ advk_writel(pcie, reg, PCIE_ISR0_MASK_REG);
+
+ /* Enable summary interrupt for GIC SPI source */
+ reg = PCIE_IRQ_ALL_MASK & (~PCIE_IRQ_ENABLE_INTS_MASK);
+@@ -776,11 +788,15 @@ advk_pci_bridge_emul_base_conf_read(struct pci_bridge_emul *bridge,
+ case PCI_INTERRUPT_LINE: {
+ /*
+ * From the whole 32bit register we support reading from HW only
+- * one bit: PCI_BRIDGE_CTL_BUS_RESET.
++ * two bits: PCI_BRIDGE_CTL_BUS_RESET and PCI_BRIDGE_CTL_SERR.
+ * Other bits are retrieved only from emulated config buffer.
+ */
+ __le32 *cfgspace = (__le32 *)&bridge->conf;
+ u32 val = le32_to_cpu(cfgspace[PCI_INTERRUPT_LINE / 4]);
++ if (advk_readl(pcie, PCIE_ISR0_MASK_REG) & PCIE_ISR0_ERR_MASK)
++ val &= ~(PCI_BRIDGE_CTL_SERR << 16);
++ else
++ val |= PCI_BRIDGE_CTL_SERR << 16;
+ if (advk_readl(pcie, PCIE_CORE_CTRL1_REG) & HOT_RESET_GEN)
+ val |= PCI_BRIDGE_CTL_BUS_RESET << 16;
+ else
+@@ -806,6 +822,19 @@ advk_pci_bridge_emul_base_conf_write(struct pci_bridge_emul *bridge,
+ break;
+
+ case PCI_INTERRUPT_LINE:
++ /*
++ * According to Figure 6-3: Pseudo Logic Diagram for Error
++ * Message Controls in PCIe base specification, SERR# Enable bit
++ * in Bridge Control register enable receiving of ERR_* messages
++ */
++ if (mask & (PCI_BRIDGE_CTL_SERR << 16)) {
++ u32 val = advk_readl(pcie, PCIE_ISR0_MASK_REG);
++ if (new & (PCI_BRIDGE_CTL_SERR << 16))
++ val &= ~PCIE_ISR0_ERR_MASK;
++ else
++ val |= PCIE_ISR0_ERR_MASK;
++ advk_writel(pcie, val, PCIE_ISR0_MASK_REG);
++ }
+ if (mask & (PCI_BRIDGE_CTL_BUS_RESET << 16)) {
+ u32 val = advk_readl(pcie, PCIE_CORE_CTRL1_REG);
+ if (new & (PCI_BRIDGE_CTL_BUS_RESET << 16))
+@@ -833,22 +862,11 @@ advk_pci_bridge_emul_pcie_conf_read(struct pci_bridge_emul *bridge,
+ *value = PCI_EXP_SLTSTA_PDS << 16;
+ return PCI_BRIDGE_EMUL_HANDLED;
+
+- case PCI_EXP_RTCTL: {
+- u32 val = advk_readl(pcie, PCIE_ISR0_MASK_REG);
+- *value = (val & PCIE_MSG_PM_PME_MASK) ? 0 : PCI_EXP_RTCTL_PMEIE;
+- *value |= le16_to_cpu(bridge->pcie_conf.rootctl) & PCI_EXP_RTCTL_CRSSVE;
+- *value |= PCI_EXP_RTCAP_CRSVIS << 16;
+- return PCI_BRIDGE_EMUL_HANDLED;
+- }
+-
+- case PCI_EXP_RTSTA: {
+- u32 isr0 = advk_readl(pcie, PCIE_ISR0_REG);
+- u32 msglog = advk_readl(pcie, PCIE_MSG_LOG_REG);
+- *value = msglog >> 16;
+- if (isr0 & PCIE_MSG_PM_PME_MASK)
+- *value |= PCI_EXP_RTSTA_PME;
+- return PCI_BRIDGE_EMUL_HANDLED;
+- }
++ /*
++ * PCI_EXP_RTCTL and PCI_EXP_RTSTA are also supported, but do not need
++ * to be handled here, because their values are stored in emulated
++ * config space buffer, and we read them from there when needed.
++ */
+
+ case PCI_EXP_LNKCAP: {
+ u32 val = advk_readl(pcie, PCIE_CORE_PCIEXP_CAP + reg);
+@@ -876,8 +894,13 @@ advk_pci_bridge_emul_pcie_conf_read(struct pci_bridge_emul *bridge,
+
+ case PCI_EXP_DEVCAP:
+ case PCI_EXP_DEVCTL:
++ case PCI_EXP_DEVCAP2:
++ case PCI_EXP_DEVCTL2:
++ case PCI_EXP_LNKCAP2:
++ case PCI_EXP_LNKCTL2:
+ *value = advk_readl(pcie, PCIE_CORE_PCIEXP_CAP + reg);
+ return PCI_BRIDGE_EMUL_HANDLED;
++
+ default:
+ return PCI_BRIDGE_EMUL_NOT_HANDLED;
+ }
+@@ -891,10 +914,6 @@ advk_pci_bridge_emul_pcie_conf_write(struct pci_bridge_emul *bridge,
+ struct advk_pcie *pcie = bridge->data;
+
+ switch (reg) {
+- case PCI_EXP_DEVCTL:
+- advk_writel(pcie, new, PCIE_CORE_PCIEXP_CAP + reg);
+- break;
+-
+ case PCI_EXP_LNKCTL:
+ advk_writel(pcie, new, PCIE_CORE_PCIEXP_CAP + reg);
+ if (new & PCI_EXP_LNKCTL_RL)
+@@ -902,18 +921,23 @@ advk_pci_bridge_emul_pcie_conf_write(struct pci_bridge_emul *bridge,
+ break;
+
+ case PCI_EXP_RTCTL: {
+- /* Only mask/unmask PME interrupt */
+- u32 val = advk_readl(pcie, PCIE_ISR0_MASK_REG) &
+- ~PCIE_MSG_PM_PME_MASK;
+- if ((new & PCI_EXP_RTCTL_PMEIE) == 0)
+- val |= PCIE_MSG_PM_PME_MASK;
+- advk_writel(pcie, val, PCIE_ISR0_MASK_REG);
++ u16 rootctl = le16_to_cpu(bridge->pcie_conf.rootctl);
++ /* Only emulation of PMEIE and CRSSVE bits is provided */
++ rootctl &= PCI_EXP_RTCTL_PMEIE | PCI_EXP_RTCTL_CRSSVE;
++ bridge->pcie_conf.rootctl = cpu_to_le16(rootctl);
+ break;
+ }
+
+- case PCI_EXP_RTSTA:
+- new = (new & PCI_EXP_RTSTA_PME) >> 9;
+- advk_writel(pcie, new, PCIE_ISR0_REG);
++ /*
++ * PCI_EXP_RTSTA is also supported, but does not need to be handled
++ * here, because its value is stored in emulated config space buffer,
++ * and we write it there when needed.
++ */
++
++ case PCI_EXP_DEVCTL:
++ case PCI_EXP_DEVCTL2:
++ case PCI_EXP_LNKCTL2:
++ advk_writel(pcie, new, PCIE_CORE_PCIEXP_CAP + reg);
+ break;
+
+ default:
+@@ -952,7 +976,7 @@ static int advk_sw_pci_bridge_init(struct advk_pcie *pcie)
+ bridge->conf.pref_mem_limit = cpu_to_le16(PCI_PREF_RANGE_TYPE_64);
+
+ /* Support interrupt A for MSI feature */
+- bridge->conf.intpin = PCIE_CORE_INT_A_ASSERT_ENABLE;
++ bridge->conf.intpin = PCI_INTERRUPT_INTA;
+
+ /* Aardvark HW provides PCIe Capability structure in version 2 */
+ bridge->pcie_conf.cap = cpu_to_le16(2);
+@@ -974,8 +998,12 @@ static bool advk_pcie_valid_device(struct advk_pcie *pcie, struct pci_bus *bus,
+ return false;
+
+ /*
+- * If the link goes down after we check for link-up, nothing bad
+- * happens but the config access times out.
++ * If the link goes down after we check for link-up, we have a problem:
++ * if a PIO request is executed while link-down, the whole controller
++ * gets stuck in a non-functional state, and even after link comes up
++ * again, PIO requests won't work anymore, and a reset of the whole PCIe
++ * controller is needed. Therefore we need to prevent sending PIO
++ * requests while the link is down.
+ */
+ if (!pci_is_root_bus(bus) && !advk_pcie_link_up(pcie))
+ return false;
+@@ -1175,10 +1203,10 @@ static void advk_msi_irq_compose_msi_msg(struct irq_data *data,
+ struct msi_msg *msg)
+ {
+ struct advk_pcie *pcie = irq_data_get_irq_chip_data(data);
+- phys_addr_t msi_msg = virt_to_phys(&pcie->msi_msg);
++ phys_addr_t msi_addr = virt_to_phys(pcie);
+
+- msg->address_lo = lower_32_bits(msi_msg);
+- msg->address_hi = upper_32_bits(msi_msg);
++ msg->address_lo = lower_32_bits(msi_addr);
++ msg->address_hi = upper_32_bits(msi_addr);
+ msg->data = data->hwirq;
+ }
+
+@@ -1188,6 +1216,54 @@ static int advk_msi_set_affinity(struct irq_data *irq_data,
+ return -EINVAL;
+ }
+
++static void advk_msi_irq_mask(struct irq_data *d)
++{
++ struct advk_pcie *pcie = d->domain->host_data;
++ irq_hw_number_t hwirq = irqd_to_hwirq(d);
++ unsigned long flags;
++ u32 mask;
++
++ raw_spin_lock_irqsave(&pcie->msi_irq_lock, flags);
++ mask = advk_readl(pcie, PCIE_MSI_MASK_REG);
++ mask |= BIT(hwirq);
++ advk_writel(pcie, mask, PCIE_MSI_MASK_REG);
++ raw_spin_unlock_irqrestore(&pcie->msi_irq_lock, flags);
++}
++
++static void advk_msi_irq_unmask(struct irq_data *d)
++{
++ struct advk_pcie *pcie = d->domain->host_data;
++ irq_hw_number_t hwirq = irqd_to_hwirq(d);
++ unsigned long flags;
++ u32 mask;
++
++ raw_spin_lock_irqsave(&pcie->msi_irq_lock, flags);
++ mask = advk_readl(pcie, PCIE_MSI_MASK_REG);
++ mask &= ~BIT(hwirq);
++ advk_writel(pcie, mask, PCIE_MSI_MASK_REG);
++ raw_spin_unlock_irqrestore(&pcie->msi_irq_lock, flags);
++}
++
++static void advk_msi_top_irq_mask(struct irq_data *d)
++{
++ pci_msi_mask_irq(d);
++ irq_chip_mask_parent(d);
++}
++
++static void advk_msi_top_irq_unmask(struct irq_data *d)
++{
++ pci_msi_unmask_irq(d);
++ irq_chip_unmask_parent(d);
++}
++
++static struct irq_chip advk_msi_bottom_irq_chip = {
++ .name = "MSI",
++ .irq_compose_msi_msg = advk_msi_irq_compose_msi_msg,
++ .irq_set_affinity = advk_msi_set_affinity,
++ .irq_mask = advk_msi_irq_mask,
++ .irq_unmask = advk_msi_irq_unmask,
++};
++
+ static int advk_msi_irq_domain_alloc(struct irq_domain *domain,
+ unsigned int virq,
+ unsigned int nr_irqs, void *args)
+@@ -1204,7 +1280,7 @@ static int advk_msi_irq_domain_alloc(struct irq_domain *domain,
+
+ for (i = 0; i < nr_irqs; i++)
+ irq_domain_set_info(domain, virq + i, hwirq + i,
+- &pcie->msi_bottom_irq_chip,
++ &advk_msi_bottom_irq_chip,
+ domain->host_data, handle_simple_irq,
+ NULL, NULL);
+
+@@ -1260,7 +1336,6 @@ static int advk_pcie_irq_map(struct irq_domain *h,
+ {
+ struct advk_pcie *pcie = h->host_data;
+
+- advk_pcie_irq_mask(irq_get_irq_data(virq));
+ irq_set_status_flags(virq, IRQ_LEVEL);
+ irq_set_chip_and_handler(virq, &pcie->irq_chip,
+ handle_level_irq);
+@@ -1274,37 +1349,25 @@ static const struct irq_domain_ops advk_pcie_irq_domain_ops = {
+ .xlate = irq_domain_xlate_onecell,
+ };
+
++static struct irq_chip advk_msi_irq_chip = {
++ .name = "advk-MSI",
++ .irq_mask = advk_msi_top_irq_mask,
++ .irq_unmask = advk_msi_top_irq_unmask,
++};
++
++static struct msi_domain_info advk_msi_domain_info = {
++ .flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
++ MSI_FLAG_MULTI_PCI_MSI | MSI_FLAG_PCI_MSIX,
++ .chip = &advk_msi_irq_chip,
++};
++
+ static int advk_pcie_init_msi_irq_domain(struct advk_pcie *pcie)
+ {
+ struct device *dev = &pcie->pdev->dev;
+- struct device_node *node = dev->of_node;
+- struct irq_chip *bottom_ic, *msi_ic;
+- struct msi_domain_info *msi_di;
+- phys_addr_t msi_msg_phys;
+
++ raw_spin_lock_init(&pcie->msi_irq_lock);
+ mutex_init(&pcie->msi_used_lock);
+
+- bottom_ic = &pcie->msi_bottom_irq_chip;
+-
+- bottom_ic->name = "MSI";
+- bottom_ic->irq_compose_msi_msg = advk_msi_irq_compose_msi_msg;
+- bottom_ic->irq_set_affinity = advk_msi_set_affinity;
+-
+- msi_ic = &pcie->msi_irq_chip;
+- msi_ic->name = "advk-MSI";
+-
+- msi_di = &pcie->msi_domain_info;
+- msi_di->flags = MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS |
+- MSI_FLAG_MULTI_PCI_MSI;
+- msi_di->chip = msi_ic;
+-
+- msi_msg_phys = virt_to_phys(&pcie->msi_msg);
+-
+- advk_writel(pcie, lower_32_bits(msi_msg_phys),
+- PCIE_MSI_ADDR_LOW_REG);
+- advk_writel(pcie, upper_32_bits(msi_msg_phys),
+- PCIE_MSI_ADDR_HIGH_REG);
+-
+ pcie->msi_inner_domain =
+ irq_domain_add_linear(NULL, MSI_IRQ_NUM,
+ &advk_msi_domain_ops, pcie);
+@@ -1312,8 +1375,9 @@ static int advk_pcie_init_msi_irq_domain(struct advk_pcie *pcie)
+ return -ENOMEM;
+
+ pcie->msi_domain =
+- pci_msi_create_irq_domain(of_node_to_fwnode(node),
+- msi_di, pcie->msi_inner_domain);
++ pci_msi_create_irq_domain(dev_fwnode(dev),
++ &advk_msi_domain_info,
++ pcie->msi_inner_domain);
+ if (!pcie->msi_domain) {
+ irq_domain_remove(pcie->msi_inner_domain);
+ return -ENOMEM;
+@@ -1354,7 +1418,6 @@ static int advk_pcie_init_irq_domain(struct advk_pcie *pcie)
+ }
+
+ irq_chip->irq_mask = advk_pcie_irq_mask;
+- irq_chip->irq_mask_ack = advk_pcie_irq_mask;
+ irq_chip->irq_unmask = advk_pcie_irq_unmask;
+
+ pcie->irq_domain =
+@@ -1376,13 +1439,77 @@ static void advk_pcie_remove_irq_domain(struct advk_pcie *pcie)
+ irq_domain_remove(pcie->irq_domain);
+ }
+
++static struct irq_chip advk_rp_irq_chip = {
++ .name = "advk-RP",
++};
++
++static int advk_pcie_rp_irq_map(struct irq_domain *h,
++ unsigned int virq, irq_hw_number_t hwirq)
++{
++ struct advk_pcie *pcie = h->host_data;
++
++ irq_set_chip_and_handler(virq, &advk_rp_irq_chip, handle_simple_irq);
++ irq_set_chip_data(virq, pcie);
++
++ return 0;
++}
++
++static const struct irq_domain_ops advk_pcie_rp_irq_domain_ops = {
++ .map = advk_pcie_rp_irq_map,
++ .xlate = irq_domain_xlate_onecell,
++};
++
++static int advk_pcie_init_rp_irq_domain(struct advk_pcie *pcie)
++{
++ pcie->rp_irq_domain = irq_domain_add_linear(NULL, 1,
++ &advk_pcie_rp_irq_domain_ops,
++ pcie);
++ if (!pcie->rp_irq_domain) {
++ dev_err(&pcie->pdev->dev, "Failed to add Root Port IRQ domain\n");
++ return -ENOMEM;
++ }
++
++ return 0;
++}
++
++static void advk_pcie_remove_rp_irq_domain(struct advk_pcie *pcie)
++{
++ irq_domain_remove(pcie->rp_irq_domain);
++}
++
++static void advk_pcie_handle_pme(struct advk_pcie *pcie)
++{
++ u32 requester = advk_readl(pcie, PCIE_MSG_LOG_REG) >> 16;
++
++ advk_writel(pcie, PCIE_MSG_PM_PME_MASK, PCIE_ISR0_REG);
++
++ /*
++ * PCIE_MSG_LOG_REG contains the last inbound message, so store
++ * the requester ID only when PME was not asserted yet.
++ * Also do not trigger PME interrupt when PME is still asserted.
++ */
++ if (!(le32_to_cpu(pcie->bridge.pcie_conf.rootsta) & PCI_EXP_RTSTA_PME)) {
++ pcie->bridge.pcie_conf.rootsta = cpu_to_le32(requester | PCI_EXP_RTSTA_PME);
++
++ /*
++ * Trigger PME interrupt only if PMEIE bit in Root Control is set.
++ * Aardvark HW returns zero for PCI_EXP_FLAGS_IRQ, so use PCIe interrupt 0.
++ */
++ if (!(le16_to_cpu(pcie->bridge.pcie_conf.rootctl) & PCI_EXP_RTCTL_PMEIE))
++ return;
++
++ if (generic_handle_domain_irq(pcie->rp_irq_domain, 0) == -EINVAL)
++ dev_err_ratelimited(&pcie->pdev->dev, "unhandled PME IRQ\n");
++ }
++}
++
+ static void advk_pcie_handle_msi(struct advk_pcie *pcie)
+ {
+ u32 msi_val, msi_mask, msi_status, msi_idx;
+
+ msi_mask = advk_readl(pcie, PCIE_MSI_MASK_REG);
+ msi_val = advk_readl(pcie, PCIE_MSI_STATUS_REG);
+- msi_status = msi_val & ~msi_mask;
++ msi_status = msi_val & ((~msi_mask) & PCIE_MSI_ALL_MASK);
+
+ for (msi_idx = 0; msi_idx < MSI_IRQ_NUM; msi_idx++) {
+ if (!(BIT(msi_idx) & msi_status))
+@@ -1411,6 +1538,22 @@ static void advk_pcie_handle_int(struct advk_pcie *pcie)
+ isr1_mask = advk_readl(pcie, PCIE_ISR1_MASK_REG);
+ isr1_status = isr1_val & ((~isr1_mask) & PCIE_ISR1_ALL_MASK);
+
++ /* Process PME interrupt as the first one to do not miss PME requester id */
++ if (isr0_status & PCIE_MSG_PM_PME_MASK)
++ advk_pcie_handle_pme(pcie);
++
++ /* Process ERR interrupt */
++ if (isr0_status & PCIE_ISR0_ERR_MASK) {
++ advk_writel(pcie, PCIE_ISR0_ERR_MASK, PCIE_ISR0_REG);
++
++ /*
++ * Aardvark HW returns zero for PCI_ERR_ROOT_AER_IRQ, so use
++ * PCIe interrupt 0
++ */
++ if (generic_handle_domain_irq(pcie->rp_irq_domain, 0) == -EINVAL)
++ dev_err_ratelimited(&pcie->pdev->dev, "unhandled ERR IRQ\n");
++ }
++
+ /* Process MSI interrupts */
+ if (isr0_status & PCIE_ISR0_MSI_INT_PENDING)
+ advk_pcie_handle_msi(pcie);
+@@ -1423,28 +1566,50 @@ static void advk_pcie_handle_int(struct advk_pcie *pcie)
+ advk_writel(pcie, PCIE_ISR1_INTX_ASSERT(i),
+ PCIE_ISR1_REG);
+
+- generic_handle_domain_irq(pcie->irq_domain, i);
++ if (generic_handle_domain_irq(pcie->irq_domain, i) == -EINVAL)
++ dev_err_ratelimited(&pcie->pdev->dev, "unexpected INT%c IRQ\n",
++ (char)i + 'A');
+ }
+ }
+
+-static irqreturn_t advk_pcie_irq_handler(int irq, void *arg)
++static void advk_pcie_irq_handler(struct irq_desc *desc)
+ {
+- struct advk_pcie *pcie = arg;
+- u32 status;
++ struct advk_pcie *pcie = irq_desc_get_handler_data(desc);
++ struct irq_chip *chip = irq_desc_get_chip(desc);
++ u32 val, mask, status;
++
++ chained_irq_enter(chip, desc);
+
+- status = advk_readl(pcie, HOST_CTRL_INT_STATUS_REG);
+- if (!(status & PCIE_IRQ_CORE_INT))
+- return IRQ_NONE;
++ val = advk_readl(pcie, HOST_CTRL_INT_STATUS_REG);
++ mask = advk_readl(pcie, HOST_CTRL_INT_MASK_REG);
++ status = val & ((~mask) & PCIE_IRQ_ALL_MASK);
+
+- advk_pcie_handle_int(pcie);
++ if (status & PCIE_IRQ_CORE_INT) {
++ advk_pcie_handle_int(pcie);
+
+- /* Clear interrupt */
+- advk_writel(pcie, PCIE_IRQ_CORE_INT, HOST_CTRL_INT_STATUS_REG);
++ /* Clear interrupt */
++ advk_writel(pcie, PCIE_IRQ_CORE_INT, HOST_CTRL_INT_STATUS_REG);
++ }
+
+- return IRQ_HANDLED;
++ chained_irq_exit(chip, desc);
+ }
+
+-static void __maybe_unused advk_pcie_disable_phy(struct advk_pcie *pcie)
++static int advk_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
++{
++ struct advk_pcie *pcie = dev->bus->sysdata;
++
++ /*
++ * Emulated root bridge has its own emulated irq chip and irq domain.
++ * Argument pin is the INTx pin (1=INTA, 2=INTB, 3=INTC, 4=INTD) and
++ * hwirq for irq_create_mapping() is indexed from zero.
++ */
++ if (pci_is_root_bus(dev->bus))
++ return irq_create_mapping(pcie->rp_irq_domain, pin - 1);
++ else
++ return of_irq_parse_and_map_pci(dev, slot, pin);
++}
++
++static void advk_pcie_disable_phy(struct advk_pcie *pcie)
+ {
+ phy_power_off(pcie->phy);
+ phy_exit(pcie->phy);
+@@ -1508,7 +1673,7 @@ static int advk_pcie_probe(struct platform_device *pdev)
+ struct advk_pcie *pcie;
+ struct pci_host_bridge *bridge;
+ struct resource_entry *entry;
+- int ret, irq;
++ int ret;
+
+ bridge = devm_pci_alloc_host_bridge(dev, sizeof(struct advk_pcie));
+ if (!bridge)
+@@ -1594,17 +1759,9 @@ static int advk_pcie_probe(struct platform_device *pdev)
+ if (IS_ERR(pcie->base))
+ return PTR_ERR(pcie->base);
+
+- irq = platform_get_irq(pdev, 0);
+- if (irq < 0)
+- return irq;
+-
+- ret = devm_request_irq(dev, irq, advk_pcie_irq_handler,
+- IRQF_SHARED | IRQF_NO_THREAD, "advk-pcie",
+- pcie);
+- if (ret) {
+- dev_err(dev, "Failed to register interrupt\n");
+- return ret;
+- }
++ pcie->irq = platform_get_irq(pdev, 0);
++ if (pcie->irq < 0)
++ return pcie->irq;
+
+ pcie->reset_gpio = devm_gpiod_get_from_of_node(dev, dev->of_node,
+ "reset-gpios", 0,
+@@ -1653,11 +1810,24 @@ static int advk_pcie_probe(struct platform_device *pdev)
+ return ret;
+ }
+
++ ret = advk_pcie_init_rp_irq_domain(pcie);
++ if (ret) {
++ dev_err(dev, "Failed to initialize irq\n");
++ advk_pcie_remove_msi_irq_domain(pcie);
++ advk_pcie_remove_irq_domain(pcie);
++ return ret;
++ }
++
++ irq_set_chained_handler_and_data(pcie->irq, advk_pcie_irq_handler, pcie);
++
+ bridge->sysdata = pcie;
+ bridge->ops = &advk_pcie_ops;
++ bridge->map_irq = advk_pcie_map_irq;
+
+ ret = pci_host_probe(bridge);
+ if (ret < 0) {
++ irq_set_chained_handler_and_data(pcie->irq, NULL, NULL);
++ advk_pcie_remove_rp_irq_domain(pcie);
+ advk_pcie_remove_msi_irq_domain(pcie);
+ advk_pcie_remove_irq_domain(pcie);
+ return ret;
+@@ -1670,20 +1840,68 @@ static int advk_pcie_remove(struct platform_device *pdev)
+ {
+ struct advk_pcie *pcie = platform_get_drvdata(pdev);
+ struct pci_host_bridge *bridge = pci_host_bridge_from_priv(pcie);
++ u32 val;
+ int i;
+
++ /* Remove PCI bus with all devices */
+ pci_lock_rescan_remove();
+ pci_stop_root_bus(bridge->bus);
+ pci_remove_root_bus(bridge->bus);
+ pci_unlock_rescan_remove();
+
++ /* Disable Root Bridge I/O space, memory space and bus mastering */
++ val = advk_readl(pcie, PCIE_CORE_CMD_STATUS_REG);
++ val &= ~(PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
++ advk_writel(pcie, val, PCIE_CORE_CMD_STATUS_REG);
++
++ /* Disable MSI */
++ val = advk_readl(pcie, PCIE_CORE_CTRL2_REG);
++ val &= ~PCIE_CORE_CTRL2_MSI_ENABLE;
++ advk_writel(pcie, val, PCIE_CORE_CTRL2_REG);
++
++ /* Clear MSI address */
++ advk_writel(pcie, 0, PCIE_MSI_ADDR_LOW_REG);
++ advk_writel(pcie, 0, PCIE_MSI_ADDR_HIGH_REG);
++
++ /* Mask all interrupts */
++ advk_writel(pcie, PCIE_MSI_ALL_MASK, PCIE_MSI_MASK_REG);
++ advk_writel(pcie, PCIE_ISR0_ALL_MASK, PCIE_ISR0_MASK_REG);
++ advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_MASK_REG);
++ advk_writel(pcie, PCIE_IRQ_ALL_MASK, HOST_CTRL_INT_MASK_REG);
++
++ /* Clear all interrupts */
++ advk_writel(pcie, PCIE_MSI_ALL_MASK, PCIE_MSI_STATUS_REG);
++ advk_writel(pcie, PCIE_ISR0_ALL_MASK, PCIE_ISR0_REG);
++ advk_writel(pcie, PCIE_ISR1_ALL_MASK, PCIE_ISR1_REG);
++ advk_writel(pcie, PCIE_IRQ_ALL_MASK, HOST_CTRL_INT_STATUS_REG);
++
++ /* Remove IRQ handler */
++ irq_set_chained_handler_and_data(pcie->irq, NULL, NULL);
++
++ /* Remove IRQ domains */
++ advk_pcie_remove_rp_irq_domain(pcie);
+ advk_pcie_remove_msi_irq_domain(pcie);
+ advk_pcie_remove_irq_domain(pcie);
+
++ /* Free config space for emulated root bridge */
++ pci_bridge_emul_cleanup(&pcie->bridge);
++
++ /* Assert PERST# signal which prepares PCIe card for power down */
++ if (pcie->reset_gpio)
++ gpiod_set_value_cansleep(pcie->reset_gpio, 1);
++
++ /* Disable link training */
++ val = advk_readl(pcie, PCIE_CORE_CTRL0_REG);
++ val &= ~LINK_TRAINING_EN;
++ advk_writel(pcie, val, PCIE_CORE_CTRL0_REG);
++
+ /* Disable outbound address windows mapping */
+ for (i = 0; i < OB_WIN_COUNT; i++)
+ advk_pcie_disable_ob_win(pcie, i);
+
++ /* Disable phy */
++ advk_pcie_disable_phy(pcie);
++
+ return 0;
+ }
+
+diff --git a/drivers/pci/pci-bridge-emul.c b/drivers/pci/pci-bridge-emul.c
+index 37504c2cce9b8..c994ebec23603 100644
+--- a/drivers/pci/pci-bridge-emul.c
++++ b/drivers/pci/pci-bridge-emul.c
+@@ -270,6 +270,49 @@ struct pci_bridge_reg_behavior pcie_cap_regs_behavior[PCI_CAP_PCIE_SIZEOF / 4] =
+ .ro = GENMASK(15, 0) | PCI_EXP_RTSTA_PENDING,
+ .w1c = PCI_EXP_RTSTA_PME,
+ },
++
++ [PCI_EXP_DEVCAP2 / 4] = {
++ /*
++ * Device capabilities 2 register has reserved bits [30:27].
++ * Also bits [26:24] are reserved for non-upstream ports.
++ */
++ .ro = BIT(31) | GENMASK(23, 0),
++ },
++
++ [PCI_EXP_DEVCTL2 / 4] = {
++ /*
++ * Device control 2 register is RW. Bit 11 is reserved for
++ * non-upstream ports.
++ *
++ * Device status 2 register is reserved.
++ */
++ .rw = GENMASK(15, 12) | GENMASK(10, 0),
++ },
++
++ [PCI_EXP_LNKCAP2 / 4] = {
++ /* Link capabilities 2 register has reserved bits [30:25] and 0. */
++ .ro = BIT(31) | GENMASK(24, 1),
++ },
++
++ [PCI_EXP_LNKCTL2 / 4] = {
++ /*
++ * Link control 2 register is RW.
++ *
++ * Link status 2 register has bits 5, 15 W1C;
++ * bits 10, 11 reserved and others are RO.
++ */
++ .rw = GENMASK(15, 0),
++ .w1c = (BIT(15) | BIT(5)) << 16,
++ .ro = (GENMASK(14, 12) | GENMASK(9, 6) | GENMASK(4, 0)) << 16,
++ },
++
++ [PCI_EXP_SLTCAP2 / 4] = {
++ /* Slot capabilities 2 register is reserved. */
++ },
++
++ [PCI_EXP_SLTCTL2 / 4] = {
++ /* Both Slot control 2 and Slot status 2 registers are reserved. */
++ },
+ };
+
+ /*
+@@ -284,7 +327,11 @@ int pci_bridge_emul_init(struct pci_bridge_emul *bridge,
+ {
+ BUILD_BUG_ON(sizeof(bridge->conf) != PCI_BRIDGE_CONF_END);
+
+- bridge->conf.class_revision |= cpu_to_le32(PCI_CLASS_BRIDGE_PCI << 16);
++ /*
++ * class_revision: Class is high 24 bits and revision is low 8 bit of this member,
++ * while class for PCI Bridge Normal Decode has the 24-bit value: PCI_CLASS_BRIDGE_PCI << 8
++ */
++ bridge->conf.class_revision |= cpu_to_le32((PCI_CLASS_BRIDGE_PCI << 8) << 8);
+ bridge->conf.header_type = PCI_HEADER_TYPE_BRIDGE;
+ bridge->conf.cache_line_size = 0x10;
+ bridge->conf.status = cpu_to_le16(PCI_STATUS_CAP_LIST);
+diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
+index e34c6cc61983b..8240b804ef847 100644
+--- a/drivers/s390/block/dasd.c
++++ b/drivers/s390/block/dasd.c
+@@ -1422,6 +1422,13 @@ int dasd_start_IO(struct dasd_ccw_req *cqr)
+ if (!cqr->lpm)
+ cqr->lpm = dasd_path_get_opm(device);
+ }
++ /*
++ * remember the amount of formatted tracks to prevent double format on
++ * ESE devices
++ */
++ if (cqr->block)
++ cqr->trkcount = atomic_read(&cqr->block->trkcount);
++
+ if (cqr->cpmode == 1) {
+ rc = ccw_device_tm_start(device->cdev, cqr->cpaddr,
+ (long) cqr, cqr->lpm);
+@@ -1639,6 +1646,7 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
+ unsigned long now;
+ int nrf_suppressed = 0;
+ int fp_suppressed = 0;
++ struct request *req;
+ u8 *sense = NULL;
+ int expires;
+
+@@ -1739,7 +1747,12 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
+ }
+
+ if (dasd_ese_needs_format(cqr->block, irb)) {
+- if (rq_data_dir((struct request *)cqr->callback_data) == READ) {
++ req = dasd_get_callback_data(cqr);
++ if (!req) {
++ cqr->status = DASD_CQR_ERROR;
++ return;
++ }
++ if (rq_data_dir(req) == READ) {
+ device->discipline->ese_read(cqr, irb);
+ cqr->status = DASD_CQR_SUCCESS;
+ cqr->stopclk = now;
+@@ -2762,8 +2775,7 @@ static void __dasd_cleanup_cqr(struct dasd_ccw_req *cqr)
+ * complete a request partially.
+ */
+ if (proc_bytes) {
+- blk_update_request(req, BLK_STS_OK,
+- blk_rq_bytes(req) - proc_bytes);
++ blk_update_request(req, BLK_STS_OK, proc_bytes);
+ blk_mq_requeue_request(req, true);
+ } else if (likely(!blk_should_fake_timeout(req->q))) {
+ blk_mq_complete_request(req);
+diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
+index 460e0f1cca533..ff7b7d470e96f 100644
+--- a/drivers/s390/block/dasd_eckd.c
++++ b/drivers/s390/block/dasd_eckd.c
+@@ -3095,13 +3095,24 @@ static int dasd_eckd_format_device(struct dasd_device *base,
+ }
+
+ static bool test_and_set_format_track(struct dasd_format_entry *to_format,
+- struct dasd_block *block)
++ struct dasd_ccw_req *cqr)
+ {
++ struct dasd_block *block = cqr->block;
+ struct dasd_format_entry *format;
+ unsigned long flags;
+ bool rc = false;
+
+ spin_lock_irqsave(&block->format_lock, flags);
++ if (cqr->trkcount != atomic_read(&block->trkcount)) {
++ /*
++ * The number of formatted tracks has changed after request
++ * start and we can not tell if the current track was involved.
++ * To avoid data corruption treat it as if the current track is
++ * involved
++ */
++ rc = true;
++ goto out;
++ }
+ list_for_each_entry(format, &block->format_list, list) {
+ if (format->track == to_format->track) {
+ rc = true;
+@@ -3121,6 +3132,7 @@ static void clear_format_track(struct dasd_format_entry *format,
+ unsigned long flags;
+
+ spin_lock_irqsave(&block->format_lock, flags);
++ atomic_inc(&block->trkcount);
+ list_del_init(&format->list);
+ spin_unlock_irqrestore(&block->format_lock, flags);
+ }
+@@ -3157,7 +3169,7 @@ dasd_eckd_ese_format(struct dasd_device *startdev, struct dasd_ccw_req *cqr,
+ sector_t curr_trk;
+ int rc;
+
+- req = cqr->callback_data;
++ req = dasd_get_callback_data(cqr);
+ block = cqr->block;
+ base = block->base;
+ private = base->private;
+@@ -3182,8 +3194,11 @@ dasd_eckd_ese_format(struct dasd_device *startdev, struct dasd_ccw_req *cqr,
+ }
+ format->track = curr_trk;
+ /* test if track is already in formatting by another thread */
+- if (test_and_set_format_track(format, block))
++ if (test_and_set_format_track(format, cqr)) {
++ /* this is no real error so do not count down retries */
++ cqr->retries++;
+ return ERR_PTR(-EEXIST);
++ }
+
+ fdata.start_unit = curr_trk;
+ fdata.stop_unit = curr_trk;
+@@ -3282,12 +3297,11 @@ static int dasd_eckd_ese_read(struct dasd_ccw_req *cqr, struct irb *irb)
+ cqr->proc_bytes = blk_count * blksize;
+ return 0;
+ }
+- if (dst && !skip_block) {
+- dst += off;
++ if (dst && !skip_block)
+ memset(dst, 0, blksize);
+- } else {
++ else
+ skip_block--;
+- }
++ dst += blksize;
+ blk_count++;
+ }
+ }
+diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
+index 155428bfed8ac..d94ae067f085e 100644
+--- a/drivers/s390/block/dasd_int.h
++++ b/drivers/s390/block/dasd_int.h
+@@ -188,6 +188,7 @@ struct dasd_ccw_req {
+ void (*callback)(struct dasd_ccw_req *, void *data);
+ void *callback_data;
+ unsigned int proc_bytes; /* bytes for partial completion */
++ unsigned int trkcount; /* count formatted tracks */
+ };
+
+ /*
+@@ -611,6 +612,7 @@ struct dasd_block {
+
+ struct list_head format_list;
+ spinlock_t format_lock;
++ atomic_t trkcount;
+ };
+
+ struct dasd_attention_data {
+@@ -757,6 +759,18 @@ dasd_check_blocksize(int bsize)
+ return 0;
+ }
+
++/*
++ * return the callback data of the original request in case there are
++ * ERP requests build on top of it
++ */
++static inline void *dasd_get_callback_data(struct dasd_ccw_req *cqr)
++{
++ while (cqr->refers)
++ cqr = cqr->refers;
++
++ return cqr->callback_data;
++}
++
+ /* externals in dasd.c */
+ #define DASD_PROFILE_OFF 0
+ #define DASD_PROFILE_ON 1
+diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
+index 0371ad233fdf2..8e38a7a5cf2f5 100644
+--- a/drivers/video/fbdev/core/fbmem.c
++++ b/drivers/video/fbdev/core/fbmem.c
+@@ -1436,7 +1436,10 @@ fb_release(struct inode *inode, struct file *file)
+ __acquires(&info->lock)
+ __releases(&info->lock)
+ {
+- struct fb_info * const info = file->private_data;
++ struct fb_info * const info = file_fb_info(file);
++
++ if (!info)
++ return -ENODEV;
+
+ lock_fb_info(info);
+ if (info->fbops->fb_release)
+diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
+index f1f7dbfa6ecd8..8cbed2f08d1bd 100644
+--- a/fs/btrfs/disk-io.c
++++ b/fs/btrfs/disk-io.c
+@@ -3415,6 +3415,17 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device
+ }
+
+ if (sectorsize != PAGE_SIZE) {
++ /*
++ * V1 space cache has some hardcoded PAGE_SIZE usage, and is
++ * going to be deprecated.
++ *
++ * Force to use v2 cache for subpage case.
++ */
++ btrfs_clear_opt(fs_info->mount_opt, SPACE_CACHE);
++ btrfs_set_and_info(fs_info, FREE_SPACE_TREE,
++ "forcing free space tree for sector size %u with page size %lu",
++ sectorsize, PAGE_SIZE);
++
+ btrfs_warn(fs_info,
+ "read-write for sector size %u with page size %lu is experimental",
+ sectorsize, PAGE_SIZE);
+diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
+index 290cfe11e7901..1221d8483d63b 100644
+--- a/fs/btrfs/tree-log.c
++++ b/fs/btrfs/tree-log.c
+@@ -5483,6 +5483,18 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans,
+ mutex_lock(&inode->log_mutex);
+ }
+
++ /*
++ * For symlinks, we must always log their content, which is stored in an
++ * inline extent, otherwise we could end up with an empty symlink after
++ * log replay, which is invalid on linux (symlink(2) returns -ENOENT if
++ * one attempts to create an empty symlink).
++ * We don't need to worry about flushing delalloc, because when we create
++ * the inline extent when the symlink is created (we never have delalloc
++ * for symlinks).
++ */
++ if (S_ISLNK(inode->vfs_inode.i_mode))
++ inode_only = LOG_INODE_ALL;
++
+ /*
+ * This is for cases where logging a directory could result in losing a
+ * a file after replaying the log. For example, if we move a file from a
+@@ -5853,7 +5865,7 @@ process_leaf:
+ }
+
+ ctx->log_new_dentries = false;
+- if (type == BTRFS_FT_DIR || type == BTRFS_FT_SYMLINK)
++ if (type == BTRFS_FT_DIR)
+ log_mode = LOG_INODE_ALL;
+ ret = btrfs_log_inode(trans, root, BTRFS_I(di_inode),
+ log_mode, ctx);
+diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
+index 8a4514283a4b8..c5c5b97c2a852 100644
+--- a/fs/btrfs/xattr.c
++++ b/fs/btrfs/xattr.c
+@@ -264,7 +264,8 @@ int btrfs_setxattr_trans(struct inode *inode, const char *name,
+ inode_inc_iversion(inode);
+ inode->i_ctime = current_time(inode);
+ ret = btrfs_update_inode(trans, root, BTRFS_I(inode));
+- BUG_ON(ret);
++ if (ret)
++ btrfs_abort_transaction(trans, ret);
+ out:
+ if (start_trans)
+ btrfs_end_transaction(trans);
+@@ -418,7 +419,8 @@ static int btrfs_xattr_handler_set_prop(const struct xattr_handler *handler,
+ inode_inc_iversion(inode);
+ inode->i_ctime = current_time(inode);
+ ret = btrfs_update_inode(trans, root, BTRFS_I(inode));
+- BUG_ON(ret);
++ if (ret)
++ btrfs_abort_transaction(trans, ret);
+ }
+
+ btrfs_end_transaction(trans);
+diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
+index dababa6cf3f42..ae6b3600ed11b 100644
+--- a/fs/nfs/nfs4proc.c
++++ b/fs/nfs/nfs4proc.c
+@@ -366,6 +366,14 @@ static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dent
+ kunmap_atomic(start);
+ }
+
++static void nfs4_fattr_set_prechange(struct nfs_fattr *fattr, u64 version)
++{
++ if (!(fattr->valid & NFS_ATTR_FATTR_PRECHANGE)) {
++ fattr->pre_change_attr = version;
++ fattr->valid |= NFS_ATTR_FATTR_PRECHANGE;
++ }
++}
++
+ static void nfs4_test_and_free_stateid(struct nfs_server *server,
+ nfs4_stateid *stateid,
+ const struct cred *cred)
+@@ -6558,7 +6566,9 @@ static void nfs4_delegreturn_release(void *calldata)
+ pnfs_roc_release(&data->lr.arg, &data->lr.res,
+ data->res.lr_ret);
+ if (inode) {
+- nfs_post_op_update_inode_force_wcc(inode, &data->fattr);
++ nfs4_fattr_set_prechange(&data->fattr,
++ inode_peek_iversion_raw(inode));
++ nfs_refresh_inode(inode, &data->fattr);
+ nfs_iput_and_deactive(inode);
+ }
+ kfree(calldata);
+diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
+index 1450397fc0bcd..48d015ed21752 100644
+--- a/include/linux/stmmac.h
++++ b/include/linux/stmmac.h
+@@ -269,5 +269,6 @@ struct plat_stmmacenet_data {
+ int msi_rx_base_vec;
+ int msi_tx_base_vec;
+ bool use_phy_wol;
++ bool sph_disable;
+ };
+ #endif
+diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
+index 54363527feea4..e58342ace11f2 100644
+--- a/kernel/irq/internals.h
++++ b/kernel/irq/internals.h
+@@ -29,12 +29,14 @@ extern struct irqaction chained_action;
+ * IRQTF_WARNED - warning "IRQ_WAKE_THREAD w/o thread_fn" has been printed
+ * IRQTF_AFFINITY - irq thread is requested to adjust affinity
+ * IRQTF_FORCED_THREAD - irq action is force threaded
++ * IRQTF_READY - signals that irq thread is ready
+ */
+ enum {
+ IRQTF_RUNTHREAD,
+ IRQTF_WARNED,
+ IRQTF_AFFINITY,
+ IRQTF_FORCED_THREAD,
++ IRQTF_READY,
+ };
+
+ /*
+diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
+index 4e3c29bb603c3..21b3ac2a29d20 100644
+--- a/kernel/irq/irqdesc.c
++++ b/kernel/irq/irqdesc.c
+@@ -407,6 +407,7 @@ static struct irq_desc *alloc_desc(int irq, int node, unsigned int flags,
+ lockdep_set_class(&desc->lock, &irq_desc_lock_class);
+ mutex_init(&desc->request_mutex);
+ init_rcu_head(&desc->rcu);
++ init_waitqueue_head(&desc->wait_for_threads);
+
+ desc_set_defaults(irq, desc, node, affinity, owner);
+ irqd_set(&desc->irq_data, flags);
+@@ -575,6 +576,7 @@ int __init early_irq_init(void)
+ raw_spin_lock_init(&desc[i].lock);
+ lockdep_set_class(&desc[i].lock, &irq_desc_lock_class);
+ mutex_init(&desc[i].request_mutex);
++ init_waitqueue_head(&desc[i].wait_for_threads);
+ desc_set_defaults(i, &desc[i], node, NULL, NULL);
+ }
+ return arch_early_irq_init();
+diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
+index 27667e82ecc91..0c3c26fb054f7 100644
+--- a/kernel/irq/manage.c
++++ b/kernel/irq/manage.c
+@@ -1248,6 +1248,31 @@ static void irq_wake_secondary(struct irq_desc *desc, struct irqaction *action)
+ raw_spin_unlock_irq(&desc->lock);
+ }
+
++/*
++ * Internal function to notify that a interrupt thread is ready.
++ */
++static void irq_thread_set_ready(struct irq_desc *desc,
++ struct irqaction *action)
++{
++ set_bit(IRQTF_READY, &action->thread_flags);
++ wake_up(&desc->wait_for_threads);
++}
++
++/*
++ * Internal function to wake up a interrupt thread and wait until it is
++ * ready.
++ */
++static void wake_up_and_wait_for_irq_thread_ready(struct irq_desc *desc,
++ struct irqaction *action)
++{
++ if (!action || !action->thread)
++ return;
++
++ wake_up_process(action->thread);
++ wait_event(desc->wait_for_threads,
++ test_bit(IRQTF_READY, &action->thread_flags));
++}
++
+ /*
+ * Interrupt handler thread
+ */
+@@ -1259,6 +1284,8 @@ static int irq_thread(void *data)
+ irqreturn_t (*handler_fn)(struct irq_desc *desc,
+ struct irqaction *action);
+
++ irq_thread_set_ready(desc, action);
++
+ if (force_irqthreads() && test_bit(IRQTF_FORCED_THREAD,
+ &action->thread_flags))
+ handler_fn = irq_forced_thread_fn;
+@@ -1683,8 +1710,6 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
+ }
+
+ if (!shared) {
+- init_waitqueue_head(&desc->wait_for_threads);
+-
+ /* Setup the type (level, edge polarity) if configured: */
+ if (new->flags & IRQF_TRIGGER_MASK) {
+ ret = __irq_set_trigger(desc,
+@@ -1780,14 +1805,8 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new)
+
+ irq_setup_timings(desc, new);
+
+- /*
+- * Strictly no need to wake it up, but hung_task complains
+- * when no hard interrupt wakes the thread up.
+- */
+- if (new->thread)
+- wake_up_process(new->thread);
+- if (new->secondary)
+- wake_up_process(new->secondary->thread);
++ wake_up_and_wait_for_irq_thread_ready(desc, new);
++ wake_up_and_wait_for_irq_thread_ready(desc, new->secondary);
+
+ register_irq_proc(irq, desc);
+ new->dir = NULL;
+diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
+index 4ca6d5b199e8e..a4a9d68b1fdce 100644
+--- a/kernel/rcu/tree.c
++++ b/kernel/rcu/tree.c
+@@ -2476,7 +2476,7 @@ static void rcu_do_batch(struct rcu_data *rdp)
+ div = READ_ONCE(rcu_divisor);
+ div = div < 0 ? 7 : div > sizeof(long) * 8 - 2 ? sizeof(long) * 8 - 2 : div;
+ bl = max(rdp->blimit, pending >> div);
+- if (unlikely(bl > 100)) {
++ if (in_serving_softirq() && unlikely(bl > 100)) {
+ long rrn = READ_ONCE(rcu_resched_ns);
+
+ rrn = rrn < NSEC_PER_MSEC ? NSEC_PER_MSEC : rrn > NSEC_PER_SEC ? NSEC_PER_SEC : rrn;
+@@ -2513,18 +2513,23 @@ static void rcu_do_batch(struct rcu_data *rdp)
+ /*
+ * Stop only if limit reached and CPU has something to do.
+ */
+- if (count >= bl && !offloaded &&
+- (need_resched() ||
+- (!is_idle_task(current) && !rcu_is_callbacks_kthread())))
+- break;
+- if (unlikely(tlimit)) {
+- /* only call local_clock() every 32 callbacks */
+- if (likely((count & 31) || local_clock() < tlimit))
+- continue;
+- /* Exceeded the time limit, so leave. */
+- break;
+- }
+- if (!in_serving_softirq()) {
++ if (in_serving_softirq()) {
++ if (count >= bl && (need_resched() ||
++ (!is_idle_task(current) && !rcu_is_callbacks_kthread())))
++ break;
++
++ /*
++ * Make sure we don't spend too much time here and deprive other
++ * softirq vectors of CPU cycles.
++ */
++ if (unlikely(tlimit)) {
++ /* only call local_clock() every 32 callbacks */
++ if (likely((count & 31) || local_clock() < tlimit))
++ continue;
++ /* Exceeded the time limit, so leave. */
++ break;
++ }
++ } else {
+ local_bh_enable();
+ lockdep_assert_irqs_enabled();
+ cond_resched_tasks_rcu_qs();
+diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
+index dcdcb85121e40..3b1398fbddaf8 100644
+--- a/kernel/time/timekeeping.c
++++ b/kernel/time/timekeeping.c
+@@ -482,7 +482,7 @@ static __always_inline u64 __ktime_get_fast_ns(struct tk_fast *tkf)
+ * of the following timestamps. Callers need to be aware of that and
+ * deal with it.
+ */
+-u64 ktime_get_mono_fast_ns(void)
++u64 notrace ktime_get_mono_fast_ns(void)
+ {
+ return __ktime_get_fast_ns(&tk_fast_mono);
+ }
+@@ -494,7 +494,7 @@ EXPORT_SYMBOL_GPL(ktime_get_mono_fast_ns);
+ * Contrary to ktime_get_mono_fast_ns() this is always correct because the
+ * conversion factor is not affected by NTP/PTP correction.
+ */
+-u64 ktime_get_raw_fast_ns(void)
++u64 notrace ktime_get_raw_fast_ns(void)
+ {
+ return __ktime_get_fast_ns(&tk_fast_raw);
+ }
+diff --git a/net/can/isotp.c b/net/can/isotp.c
+index 8c753dcefe7fc..26821487a0573 100644
+--- a/net/can/isotp.c
++++ b/net/can/isotp.c
+@@ -1146,6 +1146,11 @@ static int isotp_bind(struct socket *sock, struct sockaddr *uaddr, int len)
+
+ lock_sock(sk);
+
++ if (so->bound) {
++ err = -EINVAL;
++ goto out;
++ }
++
+ /* do not register frame reception for functional addressing */
+ if (so->opt.flags & CAN_ISOTP_SF_BROADCAST)
+ do_rx_reg = 0;
+@@ -1156,10 +1161,6 @@ static int isotp_bind(struct socket *sock, struct sockaddr *uaddr, int len)
+ goto out;
+ }
+
+- if (so->bound && addr->can_ifindex == so->ifindex &&
+- rx_id == so->rxid && tx_id == so->txid)
+- goto out;
+-
+ dev = dev_get_by_index(net, addr->can_ifindex);
+ if (!dev) {
+ err = -ENODEV;
+@@ -1186,19 +1187,6 @@ static int isotp_bind(struct socket *sock, struct sockaddr *uaddr, int len)
+
+ dev_put(dev);
+
+- if (so->bound && do_rx_reg) {
+- /* unregister old filter */
+- if (so->ifindex) {
+- dev = dev_get_by_index(net, so->ifindex);
+- if (dev) {
+- can_rx_unregister(net, dev, so->rxid,
+- SINGLE_MASK(so->rxid),
+- isotp_rcv, sk);
+- dev_put(dev);
+- }
+- }
+- }
+-
+ /* switch to new settings */
+ so->ifindex = ifindex;
+ so->rxid = rx_id;
+diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
+index d2e2b3d18c668..930f6c41f519c 100644
+--- a/net/ipv4/igmp.c
++++ b/net/ipv4/igmp.c
+@@ -2403,9 +2403,10 @@ int ip_mc_source(int add, int omode, struct sock *sk, struct
+ /* decrease mem now to avoid the memleak warning */
+ atomic_sub(struct_size(psl, sl_addr, psl->sl_max),
+ &sk->sk_omem_alloc);
+- kfree_rcu(psl, rcu);
+ }
+ rcu_assign_pointer(pmc->sflist, newpsl);
++ if (psl)
++ kfree_rcu(psl, rcu);
+ psl = newpsl;
+ }
+ rv = 1; /* > 0 for insert logic below if sl_count is 0 */
+@@ -2507,11 +2508,13 @@ int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf, int ifindex)
+ /* decrease mem now to avoid the memleak warning */
+ atomic_sub(struct_size(psl, sl_addr, psl->sl_max),
+ &sk->sk_omem_alloc);
+- kfree_rcu(psl, rcu);
+- } else
++ } else {
+ (void) ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode,
+ 0, NULL, 0);
++ }
+ rcu_assign_pointer(pmc->sflist, newpsl);
++ if (psl)
++ kfree_rcu(psl, rcu);
+ pmc->sfmode = msf->imsf_fmode;
+ err = 0;
+ done:
+diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
+index 909f937befd71..7f695c39d9a8c 100644
+--- a/net/ipv6/mcast.c
++++ b/net/ipv6/mcast.c
+@@ -460,10 +460,10 @@ int ip6_mc_source(int add, int omode, struct sock *sk,
+ newpsl->sl_addr[i] = psl->sl_addr[i];
+ atomic_sub(struct_size(psl, sl_addr, psl->sl_max),
+ &sk->sk_omem_alloc);
+- kfree_rcu(psl, rcu);
+ }
++ rcu_assign_pointer(pmc->sflist, newpsl);
++ kfree_rcu(psl, rcu);
+ psl = newpsl;
+- rcu_assign_pointer(pmc->sflist, psl);
+ }
+ rv = 1; /* > 0 for insert logic below if sl_count is 0 */
+ for (i = 0; i < psl->sl_count; i++) {
+@@ -565,12 +565,12 @@ int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf,
+ psl->sl_count, psl->sl_addr, 0);
+ atomic_sub(struct_size(psl, sl_addr, psl->sl_max),
+ &sk->sk_omem_alloc);
+- kfree_rcu(psl, rcu);
+ } else {
+ ip6_mc_del_src(idev, group, pmc->sfmode, 0, NULL, 0);
+ }
+- mutex_unlock(&idev->mc_lock);
+ rcu_assign_pointer(pmc->sflist, newpsl);
++ mutex_unlock(&idev->mc_lock);
++ kfree_rcu(psl, rcu);
+ pmc->sfmode = gsf->gf_fmode;
+ err = 0;
+ done:
+diff --git a/net/nfc/core.c b/net/nfc/core.c
+index dc7a2404efdf9..5b286e1e0a6ff 100644
+--- a/net/nfc/core.c
++++ b/net/nfc/core.c
+@@ -38,7 +38,7 @@ int nfc_fw_download(struct nfc_dev *dev, const char *firmware_name)
+
+ device_lock(&dev->dev);
+
+- if (!device_is_registered(&dev->dev)) {
++ if (dev->shutting_down) {
+ rc = -ENODEV;
+ goto error;
+ }
+@@ -94,7 +94,7 @@ int nfc_dev_up(struct nfc_dev *dev)
+
+ device_lock(&dev->dev);
+
+- if (!device_is_registered(&dev->dev)) {
++ if (dev->shutting_down) {
+ rc = -ENODEV;
+ goto error;
+ }
+@@ -142,7 +142,7 @@ int nfc_dev_down(struct nfc_dev *dev)
+
+ device_lock(&dev->dev);
+
+- if (!device_is_registered(&dev->dev)) {
++ if (dev->shutting_down) {
+ rc = -ENODEV;
+ goto error;
+ }
+@@ -207,7 +207,7 @@ int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols)
+
+ device_lock(&dev->dev);
+
+- if (!device_is_registered(&dev->dev)) {
++ if (dev->shutting_down) {
+ rc = -ENODEV;
+ goto error;
+ }
+@@ -246,7 +246,7 @@ int nfc_stop_poll(struct nfc_dev *dev)
+
+ device_lock(&dev->dev);
+
+- if (!device_is_registered(&dev->dev)) {
++ if (dev->shutting_down) {
+ rc = -ENODEV;
+ goto error;
+ }
+@@ -291,7 +291,7 @@ int nfc_dep_link_up(struct nfc_dev *dev, int target_index, u8 comm_mode)
+
+ device_lock(&dev->dev);
+
+- if (!device_is_registered(&dev->dev)) {
++ if (dev->shutting_down) {
+ rc = -ENODEV;
+ goto error;
+ }
+@@ -335,7 +335,7 @@ int nfc_dep_link_down(struct nfc_dev *dev)
+
+ device_lock(&dev->dev);
+
+- if (!device_is_registered(&dev->dev)) {
++ if (dev->shutting_down) {
+ rc = -ENODEV;
+ goto error;
+ }
+@@ -401,7 +401,7 @@ int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol)
+
+ device_lock(&dev->dev);
+
+- if (!device_is_registered(&dev->dev)) {
++ if (dev->shutting_down) {
+ rc = -ENODEV;
+ goto error;
+ }
+@@ -448,7 +448,7 @@ int nfc_deactivate_target(struct nfc_dev *dev, u32 target_idx, u8 mode)
+
+ device_lock(&dev->dev);
+
+- if (!device_is_registered(&dev->dev)) {
++ if (dev->shutting_down) {
+ rc = -ENODEV;
+ goto error;
+ }
+@@ -495,7 +495,7 @@ int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb,
+
+ device_lock(&dev->dev);
+
+- if (!device_is_registered(&dev->dev)) {
++ if (dev->shutting_down) {
+ rc = -ENODEV;
+ kfree_skb(skb);
+ goto error;
+@@ -552,7 +552,7 @@ int nfc_enable_se(struct nfc_dev *dev, u32 se_idx)
+
+ device_lock(&dev->dev);
+
+- if (!device_is_registered(&dev->dev)) {
++ if (dev->shutting_down) {
+ rc = -ENODEV;
+ goto error;
+ }
+@@ -601,7 +601,7 @@ int nfc_disable_se(struct nfc_dev *dev, u32 se_idx)
+
+ device_lock(&dev->dev);
+
+- if (!device_is_registered(&dev->dev)) {
++ if (dev->shutting_down) {
+ rc = -ENODEV;
+ goto error;
+ }
+@@ -1134,6 +1134,7 @@ int nfc_register_device(struct nfc_dev *dev)
+ dev->rfkill = NULL;
+ }
+ }
++ dev->shutting_down = false;
+ device_unlock(&dev->dev);
+
+ rc = nfc_genl_device_added(dev);
+@@ -1166,12 +1167,10 @@ void nfc_unregister_device(struct nfc_dev *dev)
+ rfkill_unregister(dev->rfkill);
+ rfkill_destroy(dev->rfkill);
+ }
++ dev->shutting_down = true;
+ device_unlock(&dev->dev);
+
+ if (dev->ops->check_presence) {
+- device_lock(&dev->dev);
+- dev->shutting_down = true;
+- device_unlock(&dev->dev);
+ del_timer_sync(&dev->check_pres_timer);
+ cancel_work_sync(&dev->check_pres_work);
+ }
+diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c
+index 8048a3dcc5f8b..a207f0b8137b0 100644
+--- a/net/nfc/netlink.c
++++ b/net/nfc/netlink.c
+@@ -1244,7 +1244,7 @@ int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,
+ struct sk_buff *msg;
+ void *hdr;
+
+- msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
++ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
+ if (!msg)
+ return -ENOMEM;
+
+@@ -1260,7 +1260,7 @@ int nfc_genl_fw_download_done(struct nfc_dev *dev, const char *firmware_name,
+
+ genlmsg_end(msg, hdr);
+
+- genlmsg_multicast(&nfc_genl_family, msg, 0, 0, GFP_KERNEL);
++ genlmsg_multicast(&nfc_genl_family, msg, 0, 0, GFP_ATOMIC);
+
+ return 0;
+
+diff --git a/net/rxrpc/local_object.c b/net/rxrpc/local_object.c
+index a4111408ffd0c..6a1611b0e3037 100644
+--- a/net/rxrpc/local_object.c
++++ b/net/rxrpc/local_object.c
+@@ -117,6 +117,7 @@ static int rxrpc_open_socket(struct rxrpc_local *local, struct net *net)
+ local, srx->transport_type, srx->transport.family);
+
+ udp_conf.family = srx->transport.family;
++ udp_conf.use_udp_checksums = true;
+ if (udp_conf.family == AF_INET) {
+ udp_conf.local_ip = srx->transport.sin.sin_addr;
+ udp_conf.local_udp_port = srx->transport.sin.sin_port;
+@@ -124,6 +125,8 @@ static int rxrpc_open_socket(struct rxrpc_local *local, struct net *net)
+ } else {
+ udp_conf.local_ip6 = srx->transport.sin6.sin6_addr;
+ udp_conf.local_udp_port = srx->transport.sin6.sin6_port;
++ udp_conf.use_udp6_tx_checksums = true;
++ udp_conf.use_udp6_rx_checksums = true;
+ #endif
+ }
+ ret = udp_sock_create(net, &udp_conf, &local->socket);
+diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
+index 3286add1a9583..e4b9a38f12e07 100644
+--- a/net/sunrpc/clnt.c
++++ b/net/sunrpc/clnt.c
+@@ -1065,10 +1065,13 @@ rpc_task_get_next_xprt(struct rpc_clnt *clnt)
+ static
+ void rpc_task_set_transport(struct rpc_task *task, struct rpc_clnt *clnt)
+ {
+- if (task->tk_xprt &&
+- !(test_bit(XPRT_OFFLINE, &task->tk_xprt->state) &&
+- (task->tk_flags & RPC_TASK_MOVEABLE)))
+- return;
++ if (task->tk_xprt) {
++ if (!(test_bit(XPRT_OFFLINE, &task->tk_xprt->state) &&
++ (task->tk_flags & RPC_TASK_MOVEABLE)))
++ return;
++ xprt_release(task);
++ xprt_put(task->tk_xprt);
++ }
+ if (task->tk_flags & RPC_TASK_NO_ROUND_ROBIN)
+ task->tk_xprt = rpc_task_get_first_xprt(clnt);
+ else
+diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
+index c2f7819827b61..95a86f3fb5c6b 100644
+--- a/net/sunrpc/xprtsock.c
++++ b/net/sunrpc/xprtsock.c
+@@ -2848,9 +2848,6 @@ static struct rpc_xprt *xs_setup_local(struct xprt_create *args)
+ }
+ xprt_set_bound(xprt);
+ xs_format_peer_addresses(xprt, "local", RPCBIND_NETID_LOCAL);
+- ret = ERR_PTR(xs_local_setup_socket(transport));
+- if (ret)
+- goto out_err;
+ break;
+ default:
+ ret = ERR_PTR(-EAFNOSUPPORT);
+diff --git a/sound/firewire/fireworks/fireworks_hwdep.c b/sound/firewire/fireworks/fireworks_hwdep.c
+index 626c0c34b0b66..3a53914277d35 100644
+--- a/sound/firewire/fireworks/fireworks_hwdep.c
++++ b/sound/firewire/fireworks/fireworks_hwdep.c
+@@ -34,6 +34,7 @@ hwdep_read_resp_buf(struct snd_efw *efw, char __user *buf, long remained,
+ type = SNDRV_FIREWIRE_EVENT_EFW_RESPONSE;
+ if (copy_to_user(buf, &type, sizeof(type)))
+ return -EFAULT;
++ count += sizeof(type);
+ remained -= sizeof(type);
+ buf += sizeof(type);
+
+diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
+index 9771300683c47..30295283512c3 100644
+--- a/sound/pci/hda/patch_realtek.c
++++ b/sound/pci/hda/patch_realtek.c
+@@ -9034,6 +9034,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
+ SND_PCI_QUIRK(0x17aa, 0x3813, "Legion 7i 15IMHG05", ALC287_FIXUP_LEGION_15IMHG05_SPEAKERS),
+ SND_PCI_QUIRK(0x17aa, 0x3818, "Lenovo C940", ALC298_FIXUP_LENOVO_SPK_VOLUME),
+ SND_PCI_QUIRK(0x17aa, 0x3819, "Lenovo 13s Gen2 ITL", ALC287_FIXUP_13S_GEN2_SPEAKERS),
++ SND_PCI_QUIRK(0x17aa, 0x3820, "Yoga Duet 7 13ITL6", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS),
+ SND_PCI_QUIRK(0x17aa, 0x3824, "Legion Y9000X 2020", ALC285_FIXUP_LEGION_Y9000X_SPEAKERS),
+ SND_PCI_QUIRK(0x17aa, 0x3827, "Ideapad S740", ALC285_FIXUP_IDEAPAD_S740_COEF),
+ SND_PCI_QUIRK(0x17aa, 0x3834, "Lenovo IdeaPad Slim 9i 14ITL5", ALC287_FIXUP_YOGA7_14ITL_SPEAKERS),
+diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c
+index 13009d08b09ac..c7493549a9a50 100644
+--- a/sound/soc/codecs/da7219.c
++++ b/sound/soc/codecs/da7219.c
+@@ -446,7 +446,7 @@ static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
+ struct soc_mixer_control *mixer_ctrl =
+ (struct soc_mixer_control *) kcontrol->private_value;
+ unsigned int reg = mixer_ctrl->reg;
+- __le16 val;
++ __le16 val_new, val_old;
+ int ret;
+
+ /*
+@@ -454,13 +454,19 @@ static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
+ * Therefore we need to convert to little endian here to align with
+ * HW registers.
+ */
+- val = cpu_to_le16(ucontrol->value.integer.value[0]);
++ val_new = cpu_to_le16(ucontrol->value.integer.value[0]);
+
+ mutex_lock(&da7219->ctrl_lock);
+- ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val));
++ ret = regmap_raw_read(da7219->regmap, reg, &val_old, sizeof(val_old));
++ if (ret == 0 && (val_old != val_new))
++ ret = regmap_raw_write(da7219->regmap, reg,
++ &val_new, sizeof(val_new));
+ mutex_unlock(&da7219->ctrl_lock);
+
+- return ret;
++ if (ret < 0)
++ return ret;
++
++ return val_old != val_new;
+ }
+
+
+diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c
+index e4018ba3b19a2..7878c7a58ff10 100644
+--- a/sound/soc/codecs/wm8958-dsp2.c
++++ b/sound/soc/codecs/wm8958-dsp2.c
+@@ -530,7 +530,7 @@ static int wm8958_mbc_put(struct snd_kcontrol *kcontrol,
+
+ wm8958_dsp_apply(component, mbc, wm8994->mbc_ena[mbc]);
+
+- return 0;
++ return 1;
+ }
+
+ #define WM8958_MBC_SWITCH(xname, xval) {\
+@@ -656,7 +656,7 @@ static int wm8958_vss_put(struct snd_kcontrol *kcontrol,
+
+ wm8958_dsp_apply(component, vss, wm8994->vss_ena[vss]);
+
+- return 0;
++ return 1;
+ }
+
+
+@@ -730,7 +730,7 @@ static int wm8958_hpf_put(struct snd_kcontrol *kcontrol,
+
+ wm8958_dsp_apply(component, hpf % 3, ucontrol->value.integer.value[0]);
+
+- return 0;
++ return 1;
+ }
+
+ #define WM8958_HPF_SWITCH(xname, xval) {\
+@@ -824,7 +824,7 @@ static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol,
+
+ wm8958_dsp_apply(component, eq, ucontrol->value.integer.value[0]);
+
+- return 0;
++ return 1;
+ }
+
+ #define WM8958_ENH_EQ_SWITCH(xname, xval) {\
+diff --git a/sound/soc/meson/aiu-acodec-ctrl.c b/sound/soc/meson/aiu-acodec-ctrl.c
+index 27a6d3259c50a..442c215936d97 100644
+--- a/sound/soc/meson/aiu-acodec-ctrl.c
++++ b/sound/soc/meson/aiu-acodec-ctrl.c
+@@ -58,7 +58,7 @@ static int aiu_acodec_ctrl_mux_put_enum(struct snd_kcontrol *kcontrol,
+
+ snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);
+
+- return 0;
++ return 1;
+ }
+
+ static SOC_ENUM_SINGLE_DECL(aiu_acodec_ctrl_mux_enum, AIU_ACODEC_CTRL,
+diff --git a/sound/soc/meson/aiu-codec-ctrl.c b/sound/soc/meson/aiu-codec-ctrl.c
+index c3ea733fce91f..c966fc60dc733 100644
+--- a/sound/soc/meson/aiu-codec-ctrl.c
++++ b/sound/soc/meson/aiu-codec-ctrl.c
+@@ -57,7 +57,7 @@ static int aiu_codec_ctrl_mux_put_enum(struct snd_kcontrol *kcontrol,
+
+ snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);
+
+- return 0;
++ return 1;
+ }
+
+ static SOC_ENUM_SINGLE_DECL(aiu_hdmi_ctrl_mux_enum, AIU_HDMI_CLK_DATA_CTRL,
+diff --git a/sound/soc/meson/g12a-tohdmitx.c b/sound/soc/meson/g12a-tohdmitx.c
+index 9b2b59536ced0..6c99052feafd8 100644
+--- a/sound/soc/meson/g12a-tohdmitx.c
++++ b/sound/soc/meson/g12a-tohdmitx.c
+@@ -67,7 +67,7 @@ static int g12a_tohdmitx_i2s_mux_put_enum(struct snd_kcontrol *kcontrol,
+
+ snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);
+
+- return 0;
++ return 1;
+ }
+
+ static SOC_ENUM_SINGLE_DECL(g12a_tohdmitx_i2s_mux_enum, TOHDMITX_CTRL0,
+diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c
+index 38f3f36c1d729..4aa48c74f21a0 100644
+--- a/sound/soc/soc-generic-dmaengine-pcm.c
++++ b/sound/soc/soc-generic-dmaengine-pcm.c
+@@ -82,10 +82,10 @@ static int dmaengine_pcm_hw_params(struct snd_soc_component *component,
+
+ memset(&slave_config, 0, sizeof(slave_config));
+
+- if (pcm->config && pcm->config->prepare_slave_config)
+- prepare_slave_config = pcm->config->prepare_slave_config;
+- else
++ if (!pcm->config)
+ prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config;
++ else
++ prepare_slave_config = pcm->config->prepare_slave_config;
+
+ if (prepare_slave_config) {
+ int ret = prepare_slave_config(substream, params, &slave_config);
+diff --git a/sound/soc/soc-ops.c b/sound/soc/soc-ops.c
+index ee3782ecd7e3a..63ee35ebeaabb 100644
+--- a/sound/soc/soc-ops.c
++++ b/sound/soc/soc-ops.c
+@@ -461,7 +461,7 @@ int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol,
+ ret = err;
+ }
+ }
+- return err;
++ return ret;
+ }
+ EXPORT_SYMBOL_GPL(snd_soc_put_volsw_sx);
+
+diff --git a/tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh b/tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh
+index f7d84549cc3e3..79f751259098d 100755
+--- a/tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh
++++ b/tools/testing/selftests/drivers/net/ocelot/tc_flower_chains.sh
+@@ -185,7 +185,7 @@ setup_prepare()
+
+ tc filter add dev $eth0 ingress chain $(IS2 0 0) pref 1 \
+ protocol ipv4 flower skip_sw ip_proto udp dst_port 5201 \
+- action police rate 50mbit burst 64k \
++ action police rate 50mbit burst 64k conform-exceed drop/pipe \
+ action goto chain $(IS2 1 0)
+ }
+
+diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h
+index 05e65ca1c30cd..23861c8faa61c 100644
+--- a/tools/testing/selftests/kvm/include/x86_64/processor.h
++++ b/tools/testing/selftests/kvm/include/x86_64/processor.h
+@@ -58,6 +58,21 @@
+ /* CPUID.0x8000_0001.EDX */
+ #define CPUID_GBPAGES (1ul << 26)
+
++/* Page table bitfield declarations */
++#define PTE_PRESENT_MASK BIT_ULL(0)
++#define PTE_WRITABLE_MASK BIT_ULL(1)
++#define PTE_USER_MASK BIT_ULL(2)
++#define PTE_ACCESSED_MASK BIT_ULL(5)
++#define PTE_DIRTY_MASK BIT_ULL(6)
++#define PTE_LARGE_MASK BIT_ULL(7)
++#define PTE_GLOBAL_MASK BIT_ULL(8)
++#define PTE_NX_MASK BIT_ULL(63)
++
++#define PAGE_SHIFT 12
++
++#define PHYSICAL_PAGE_MASK GENMASK_ULL(51, 12)
++#define PTE_GET_PFN(pte) (((pte) & PHYSICAL_PAGE_MASK) >> PAGE_SHIFT)
++
+ /* General Registers in 64-Bit Mode */
+ struct gpr64_regs {
+ u64 rax;
+diff --git a/tools/testing/selftests/kvm/kvm_page_table_test.c b/tools/testing/selftests/kvm/kvm_page_table_test.c
+index 36407cb0ec85d..f1ddfe4c4a031 100644
+--- a/tools/testing/selftests/kvm/kvm_page_table_test.c
++++ b/tools/testing/selftests/kvm/kvm_page_table_test.c
+@@ -278,7 +278,7 @@ static struct kvm_vm *pre_init_before_test(enum vm_guest_mode mode, void *arg)
+ else
+ guest_test_phys_mem = p->phys_offset;
+ #ifdef __s390x__
+- alignment = max(0x100000, alignment);
++ alignment = max(0x100000UL, alignment);
+ #endif
+ guest_test_phys_mem &= ~(alignment - 1);
+
+diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c
+index da73b97e1e6dc..46057079d8bba 100644
+--- a/tools/testing/selftests/kvm/lib/x86_64/processor.c
++++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c
+@@ -19,38 +19,6 @@
+
+ vm_vaddr_t exception_handlers;
+
+-/* Virtual translation table structure declarations */
+-struct pageUpperEntry {
+- uint64_t present:1;
+- uint64_t writable:1;
+- uint64_t user:1;
+- uint64_t write_through:1;
+- uint64_t cache_disable:1;
+- uint64_t accessed:1;
+- uint64_t ignored_06:1;
+- uint64_t page_size:1;
+- uint64_t ignored_11_08:4;
+- uint64_t pfn:40;
+- uint64_t ignored_62_52:11;
+- uint64_t execute_disable:1;
+-};
+-
+-struct pageTableEntry {
+- uint64_t present:1;
+- uint64_t writable:1;
+- uint64_t user:1;
+- uint64_t write_through:1;
+- uint64_t cache_disable:1;
+- uint64_t accessed:1;
+- uint64_t dirty:1;
+- uint64_t reserved_07:1;
+- uint64_t global:1;
+- uint64_t ignored_11_09:3;
+- uint64_t pfn:40;
+- uint64_t ignored_62_52:11;
+- uint64_t execute_disable:1;
+-};
+-
+ void regs_dump(FILE *stream, struct kvm_regs *regs,
+ uint8_t indent)
+ {
+@@ -195,23 +163,21 @@ static void *virt_get_pte(struct kvm_vm *vm, uint64_t pt_pfn, uint64_t vaddr,
+ return &page_table[index];
+ }
+
+-static struct pageUpperEntry *virt_create_upper_pte(struct kvm_vm *vm,
+- uint64_t pt_pfn,
+- uint64_t vaddr,
+- uint64_t paddr,
+- int level,
+- enum x86_page_size page_size)
++static uint64_t *virt_create_upper_pte(struct kvm_vm *vm,
++ uint64_t pt_pfn,
++ uint64_t vaddr,
++ uint64_t paddr,
++ int level,
++ enum x86_page_size page_size)
+ {
+- struct pageUpperEntry *pte = virt_get_pte(vm, pt_pfn, vaddr, level);
+-
+- if (!pte->present) {
+- pte->writable = true;
+- pte->present = true;
+- pte->page_size = (level == page_size);
+- if (pte->page_size)
+- pte->pfn = paddr >> vm->page_shift;
++ uint64_t *pte = virt_get_pte(vm, pt_pfn, vaddr, level);
++
++ if (!(*pte & PTE_PRESENT_MASK)) {
++ *pte = PTE_PRESENT_MASK | PTE_WRITABLE_MASK;
++ if (level == page_size)
++ *pte |= PTE_LARGE_MASK | (paddr & PHYSICAL_PAGE_MASK);
+ else
+- pte->pfn = vm_alloc_page_table(vm) >> vm->page_shift;
++ *pte |= vm_alloc_page_table(vm) & PHYSICAL_PAGE_MASK;
+ } else {
+ /*
+ * Entry already present. Assert that the caller doesn't want
+@@ -221,7 +187,7 @@ static struct pageUpperEntry *virt_create_upper_pte(struct kvm_vm *vm,
+ TEST_ASSERT(level != page_size,
+ "Cannot create hugepage at level: %u, vaddr: 0x%lx\n",
+ page_size, vaddr);
+- TEST_ASSERT(!pte->page_size,
++ TEST_ASSERT(!(*pte & PTE_LARGE_MASK),
+ "Cannot create page table at level: %u, vaddr: 0x%lx\n",
+ level, vaddr);
+ }
+@@ -232,8 +198,8 @@ void __virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr,
+ enum x86_page_size page_size)
+ {
+ const uint64_t pg_size = 1ull << ((page_size * 9) + 12);
+- struct pageUpperEntry *pml4e, *pdpe, *pde;
+- struct pageTableEntry *pte;
++ uint64_t *pml4e, *pdpe, *pde;
++ uint64_t *pte;
+
+ TEST_ASSERT(vm->mode == VM_MODE_PXXV48_4K,
+ "Unknown or unsupported guest mode, mode: 0x%x", vm->mode);
+@@ -257,24 +223,22 @@ void __virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr,
+ */
+ pml4e = virt_create_upper_pte(vm, vm->pgd >> vm->page_shift,
+ vaddr, paddr, 3, page_size);
+- if (pml4e->page_size)
++ if (*pml4e & PTE_LARGE_MASK)
+ return;
+
+- pdpe = virt_create_upper_pte(vm, pml4e->pfn, vaddr, paddr, 2, page_size);
+- if (pdpe->page_size)
++ pdpe = virt_create_upper_pte(vm, PTE_GET_PFN(*pml4e), vaddr, paddr, 2, page_size);
++ if (*pdpe & PTE_LARGE_MASK)
+ return;
+
+- pde = virt_create_upper_pte(vm, pdpe->pfn, vaddr, paddr, 1, page_size);
+- if (pde->page_size)
++ pde = virt_create_upper_pte(vm, PTE_GET_PFN(*pdpe), vaddr, paddr, 1, page_size);
++ if (*pde & PTE_LARGE_MASK)
+ return;
+
+ /* Fill in page table entry. */
+- pte = virt_get_pte(vm, pde->pfn, vaddr, 0);
+- TEST_ASSERT(!pte->present,
++ pte = virt_get_pte(vm, PTE_GET_PFN(*pde), vaddr, 0);
++ TEST_ASSERT(!(*pte & PTE_PRESENT_MASK),
+ "PTE already present for 4k page at vaddr: 0x%lx\n", vaddr);
+- pte->pfn = paddr >> vm->page_shift;
+- pte->writable = true;
+- pte->present = 1;
++ *pte = PTE_PRESENT_MASK | PTE_WRITABLE_MASK | (paddr & PHYSICAL_PAGE_MASK);
+ }
+
+ void virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr)
+@@ -282,12 +246,12 @@ void virt_pg_map(struct kvm_vm *vm, uint64_t vaddr, uint64_t paddr)
+ __virt_pg_map(vm, vaddr, paddr, X86_PAGE_SIZE_4K);
+ }
+
+-static struct pageTableEntry *_vm_get_page_table_entry(struct kvm_vm *vm, int vcpuid,
++static uint64_t *_vm_get_page_table_entry(struct kvm_vm *vm, int vcpuid,
+ uint64_t vaddr)
+ {
+ uint16_t index[4];
+- struct pageUpperEntry *pml4e, *pdpe, *pde;
+- struct pageTableEntry *pte;
++ uint64_t *pml4e, *pdpe, *pde;
++ uint64_t *pte;
+ struct kvm_cpuid_entry2 *entry;
+ struct kvm_sregs sregs;
+ int max_phy_addr;
+@@ -329,30 +293,29 @@ static struct pageTableEntry *_vm_get_page_table_entry(struct kvm_vm *vm, int vc
+ index[3] = (vaddr >> 39) & 0x1ffu;
+
+ pml4e = addr_gpa2hva(vm, vm->pgd);
+- TEST_ASSERT(pml4e[index[3]].present,
++ TEST_ASSERT(pml4e[index[3]] & PTE_PRESENT_MASK,
+ "Expected pml4e to be present for gva: 0x%08lx", vaddr);
+- TEST_ASSERT((*(uint64_t*)(&pml4e[index[3]]) &
+- (rsvd_mask | (1ull << 7))) == 0,
++ TEST_ASSERT((pml4e[index[3]] & (rsvd_mask | PTE_LARGE_MASK)) == 0,
+ "Unexpected reserved bits set.");
+
+- pdpe = addr_gpa2hva(vm, pml4e[index[3]].pfn * vm->page_size);
+- TEST_ASSERT(pdpe[index[2]].present,
++ pdpe = addr_gpa2hva(vm, PTE_GET_PFN(pml4e[index[3]]) * vm->page_size);
++ TEST_ASSERT(pdpe[index[2]] & PTE_PRESENT_MASK,
+ "Expected pdpe to be present for gva: 0x%08lx", vaddr);
+- TEST_ASSERT(pdpe[index[2]].page_size == 0,
++ TEST_ASSERT(!(pdpe[index[2]] & PTE_LARGE_MASK),
+ "Expected pdpe to map a pde not a 1-GByte page.");
+- TEST_ASSERT((*(uint64_t*)(&pdpe[index[2]]) & rsvd_mask) == 0,
++ TEST_ASSERT((pdpe[index[2]] & rsvd_mask) == 0,
+ "Unexpected reserved bits set.");
+
+- pde = addr_gpa2hva(vm, pdpe[index[2]].pfn * vm->page_size);
+- TEST_ASSERT(pde[index[1]].present,
++ pde = addr_gpa2hva(vm, PTE_GET_PFN(pdpe[index[2]]) * vm->page_size);
++ TEST_ASSERT(pde[index[1]] & PTE_PRESENT_MASK,
+ "Expected pde to be present for gva: 0x%08lx", vaddr);
+- TEST_ASSERT(pde[index[1]].page_size == 0,
++ TEST_ASSERT(!(pde[index[1]] & PTE_LARGE_MASK),
+ "Expected pde to map a pte not a 2-MByte page.");
+- TEST_ASSERT((*(uint64_t*)(&pde[index[1]]) & rsvd_mask) == 0,
++ TEST_ASSERT((pde[index[1]] & rsvd_mask) == 0,
+ "Unexpected reserved bits set.");
+
+- pte = addr_gpa2hva(vm, pde[index[1]].pfn * vm->page_size);
+- TEST_ASSERT(pte[index[0]].present,
++ pte = addr_gpa2hva(vm, PTE_GET_PFN(pde[index[1]]) * vm->page_size);
++ TEST_ASSERT(pte[index[0]] & PTE_PRESENT_MASK,
+ "Expected pte to be present for gva: 0x%08lx", vaddr);
+
+ return &pte[index[0]];
+@@ -360,7 +323,7 @@ static struct pageTableEntry *_vm_get_page_table_entry(struct kvm_vm *vm, int vc
+
+ uint64_t vm_get_page_table_entry(struct kvm_vm *vm, int vcpuid, uint64_t vaddr)
+ {
+- struct pageTableEntry *pte = _vm_get_page_table_entry(vm, vcpuid, vaddr);
++ uint64_t *pte = _vm_get_page_table_entry(vm, vcpuid, vaddr);
+
+ return *(uint64_t *)pte;
+ }
+@@ -368,18 +331,17 @@ uint64_t vm_get_page_table_entry(struct kvm_vm *vm, int vcpuid, uint64_t vaddr)
+ void vm_set_page_table_entry(struct kvm_vm *vm, int vcpuid, uint64_t vaddr,
+ uint64_t pte)
+ {
+- struct pageTableEntry *new_pte = _vm_get_page_table_entry(vm, vcpuid,
+- vaddr);
++ uint64_t *new_pte = _vm_get_page_table_entry(vm, vcpuid, vaddr);
+
+ *(uint64_t *)new_pte = pte;
+ }
+
+ void virt_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent)
+ {
+- struct pageUpperEntry *pml4e, *pml4e_start;
+- struct pageUpperEntry *pdpe, *pdpe_start;
+- struct pageUpperEntry *pde, *pde_start;
+- struct pageTableEntry *pte, *pte_start;
++ uint64_t *pml4e, *pml4e_start;
++ uint64_t *pdpe, *pdpe_start;
++ uint64_t *pde, *pde_start;
++ uint64_t *pte, *pte_start;
+
+ if (!vm->pgd_created)
+ return;
+@@ -389,58 +351,58 @@ void virt_dump(FILE *stream, struct kvm_vm *vm, uint8_t indent)
+ fprintf(stream, "%*s index hvaddr gpaddr "
+ "addr w exec dirty\n",
+ indent, "");
+- pml4e_start = (struct pageUpperEntry *) addr_gpa2hva(vm, vm->pgd);
++ pml4e_start = (uint64_t *) addr_gpa2hva(vm, vm->pgd);
+ for (uint16_t n1 = 0; n1 <= 0x1ffu; n1++) {
+ pml4e = &pml4e_start[n1];
+- if (!pml4e->present)
++ if (!(*pml4e & PTE_PRESENT_MASK))
+ continue;
+- fprintf(stream, "%*spml4e 0x%-3zx %p 0x%-12lx 0x%-10lx %u "
++ fprintf(stream, "%*spml4e 0x%-3zx %p 0x%-12lx 0x%-10llx %u "
+ " %u\n",
+ indent, "",
+ pml4e - pml4e_start, pml4e,
+- addr_hva2gpa(vm, pml4e), (uint64_t) pml4e->pfn,
+- pml4e->writable, pml4e->execute_disable);
++ addr_hva2gpa(vm, pml4e), PTE_GET_PFN(*pml4e),
++ !!(*pml4e & PTE_WRITABLE_MASK), !!(*pml4e & PTE_NX_MASK));
+
+- pdpe_start = addr_gpa2hva(vm, pml4e->pfn * vm->page_size);
++ pdpe_start = addr_gpa2hva(vm, *pml4e & PHYSICAL_PAGE_MASK);
+ for (uint16_t n2 = 0; n2 <= 0x1ffu; n2++) {
+ pdpe = &pdpe_start[n2];
+- if (!pdpe->present)
++ if (!(*pdpe & PTE_PRESENT_MASK))
+ continue;
+- fprintf(stream, "%*spdpe 0x%-3zx %p 0x%-12lx 0x%-10lx "
++ fprintf(stream, "%*spdpe 0x%-3zx %p 0x%-12lx 0x%-10llx "
+ "%u %u\n",
+ indent, "",
+ pdpe - pdpe_start, pdpe,
+ addr_hva2gpa(vm, pdpe),
+- (uint64_t) pdpe->pfn, pdpe->writable,
+- pdpe->execute_disable);
++ PTE_GET_PFN(*pdpe), !!(*pdpe & PTE_WRITABLE_MASK),
++ !!(*pdpe & PTE_NX_MASK));
+
+- pde_start = addr_gpa2hva(vm, pdpe->pfn * vm->page_size);
++ pde_start = addr_gpa2hva(vm, *pdpe & PHYSICAL_PAGE_MASK);
+ for (uint16_t n3 = 0; n3 <= 0x1ffu; n3++) {
+ pde = &pde_start[n3];
+- if (!pde->present)
++ if (!(*pde & PTE_PRESENT_MASK))
+ continue;
+ fprintf(stream, "%*spde 0x%-3zx %p "
+- "0x%-12lx 0x%-10lx %u %u\n",
++ "0x%-12lx 0x%-10llx %u %u\n",
+ indent, "", pde - pde_start, pde,
+ addr_hva2gpa(vm, pde),
+- (uint64_t) pde->pfn, pde->writable,
+- pde->execute_disable);
++ PTE_GET_PFN(*pde), !!(*pde & PTE_WRITABLE_MASK),
++ !!(*pde & PTE_NX_MASK));
+
+- pte_start = addr_gpa2hva(vm, pde->pfn * vm->page_size);
++ pte_start = addr_gpa2hva(vm, *pde & PHYSICAL_PAGE_MASK);
+ for (uint16_t n4 = 0; n4 <= 0x1ffu; n4++) {
+ pte = &pte_start[n4];
+- if (!pte->present)
++ if (!(*pte & PTE_PRESENT_MASK))
+ continue;
+ fprintf(stream, "%*spte 0x%-3zx %p "
+- "0x%-12lx 0x%-10lx %u %u "
++ "0x%-12lx 0x%-10llx %u %u "
+ " %u 0x%-10lx\n",
+ indent, "",
+ pte - pte_start, pte,
+ addr_hva2gpa(vm, pte),
+- (uint64_t) pte->pfn,
+- pte->writable,
+- pte->execute_disable,
+- pte->dirty,
++ PTE_GET_PFN(*pte),
++ !!(*pte & PTE_WRITABLE_MASK),
++ !!(*pte & PTE_NX_MASK),
++ !!(*pte & PTE_DIRTY_MASK),
+ ((uint64_t) n1 << 27)
+ | ((uint64_t) n2 << 18)
+ | ((uint64_t) n3 << 9)
+@@ -558,8 +520,8 @@ static void kvm_seg_set_kernel_data_64bit(struct kvm_vm *vm, uint16_t selector,
+ vm_paddr_t addr_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva)
+ {
+ uint16_t index[4];
+- struct pageUpperEntry *pml4e, *pdpe, *pde;
+- struct pageTableEntry *pte;
++ uint64_t *pml4e, *pdpe, *pde;
++ uint64_t *pte;
+
+ TEST_ASSERT(vm->mode == VM_MODE_PXXV48_4K, "Attempt to use "
+ "unknown or unsupported guest mode, mode: 0x%x", vm->mode);
+@@ -572,22 +534,22 @@ vm_paddr_t addr_gva2gpa(struct kvm_vm *vm, vm_vaddr_t gva)
+ if (!vm->pgd_created)
+ goto unmapped_gva;
+ pml4e = addr_gpa2hva(vm, vm->pgd);
+- if (!pml4e[index[3]].present)
++ if (!(pml4e[index[3]] & PTE_PRESENT_MASK))
+ goto unmapped_gva;
+
+- pdpe = addr_gpa2hva(vm, pml4e[index[3]].pfn * vm->page_size);
+- if (!pdpe[index[2]].present)
++ pdpe = addr_gpa2hva(vm, PTE_GET_PFN(pml4e[index[3]]) * vm->page_size);
++ if (!(pdpe[index[2]] & PTE_PRESENT_MASK))
+ goto unmapped_gva;
+
+- pde = addr_gpa2hva(vm, pdpe[index[2]].pfn * vm->page_size);
+- if (!pde[index[1]].present)
++ pde = addr_gpa2hva(vm, PTE_GET_PFN(pdpe[index[2]]) * vm->page_size);
++ if (!(pde[index[1]] & PTE_PRESENT_MASK))
+ goto unmapped_gva;
+
+- pte = addr_gpa2hva(vm, pde[index[1]].pfn * vm->page_size);
+- if (!pte[index[0]].present)
++ pte = addr_gpa2hva(vm, PTE_GET_PFN(pde[index[1]]) * vm->page_size);
++ if (!(pte[index[0]] & PTE_PRESENT_MASK))
+ goto unmapped_gva;
+
+- return (pte[index[0]].pfn * vm->page_size) + (gva & 0xfffu);
++ return (PTE_GET_PFN(pte[index[0]]) * vm->page_size) + (gva & 0xfffu);
+
+ unmapped_gva:
+ TEST_FAIL("No mapping for vm virtual address, gva: 0x%lx", gva);
+diff --git a/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh b/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh
+index a3402cd8d5b68..9ff22f28032dd 100755
+--- a/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh
++++ b/tools/testing/selftests/net/forwarding/mirror_gre_bridge_1q.sh
+@@ -61,9 +61,12 @@ setup_prepare()
+
+ vrf_prepare
+ mirror_gre_topo_create
++ # Avoid changing br1's PVID while it is operational as a L3 interface.
++ ip link set dev br1 down
+
+ ip link set dev $swp3 master br1
+ bridge vlan add dev br1 vid 555 pvid untagged self
++ ip link set dev br1 up
+ ip address add dev br1 192.0.2.129/28
+ ip address add dev br1 2001:db8:2::1/64
+
+diff --git a/tools/testing/selftests/net/so_txtime.c b/tools/testing/selftests/net/so_txtime.c
+index 59067f64b7753..2672ac0b6d1f3 100644
+--- a/tools/testing/selftests/net/so_txtime.c
++++ b/tools/testing/selftests/net/so_txtime.c
+@@ -421,7 +421,7 @@ static void usage(const char *progname)
+ "Options:\n"
+ " -4 only IPv4\n"
+ " -6 only IPv6\n"
+- " -c <clock> monotonic (default) or tai\n"
++ " -c <clock> monotonic or tai (default)\n"
+ " -D <addr> destination IP address (server)\n"
+ " -S <addr> source IP address (client)\n"
+ " -r run rx mode\n"
+@@ -475,7 +475,7 @@ static void parse_opts(int argc, char **argv)
+ cfg_rx = true;
+ break;
+ case 't':
+- cfg_start_time_ns = strtol(optarg, NULL, 0);
++ cfg_start_time_ns = strtoll(optarg, NULL, 0);
+ break;
+ case 'm':
+ cfg_mark = strtol(optarg, NULL, 0);
+diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
+index 1d64891e64923..34ebd1fe5eed2 100644
+--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
++++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
+@@ -955,7 +955,7 @@ TEST(ERRNO_valid)
+ ASSERT_EQ(0, ret);
+
+ EXPECT_EQ(parent, syscall(__NR_getppid));
+- EXPECT_EQ(-1, read(0, NULL, 0));
++ EXPECT_EQ(-1, read(-1, NULL, 0));
+ EXPECT_EQ(E2BIG, errno);
+ }
+
+@@ -974,7 +974,7 @@ TEST(ERRNO_zero)
+
+ EXPECT_EQ(parent, syscall(__NR_getppid));
+ /* "errno" of 0 is ok. */
+- EXPECT_EQ(0, read(0, NULL, 0));
++ EXPECT_EQ(0, read(-1, NULL, 0));
+ }
+
+ /*
+@@ -995,7 +995,7 @@ TEST(ERRNO_capped)
+ ASSERT_EQ(0, ret);
+
+ EXPECT_EQ(parent, syscall(__NR_getppid));
+- EXPECT_EQ(-1, read(0, NULL, 0));
++ EXPECT_EQ(-1, read(-1, NULL, 0));
+ EXPECT_EQ(4095, errno);
+ }
+
+@@ -1026,7 +1026,7 @@ TEST(ERRNO_order)
+ ASSERT_EQ(0, ret);
+
+ EXPECT_EQ(parent, syscall(__NR_getppid));
+- EXPECT_EQ(-1, read(0, NULL, 0));
++ EXPECT_EQ(-1, read(-1, NULL, 0));
+ EXPECT_EQ(12, errno);
+ }
+
+@@ -2579,7 +2579,7 @@ void *tsync_sibling(void *data)
+ ret = prctl(PR_GET_NO_NEW_PRIVS, 0, 0, 0, 0);
+ if (!ret)
+ return (void *)SIBLING_EXIT_NEWPRIVS;
+- read(0, NULL, 0);
++ read(-1, NULL, 0);
+ return (void *)SIBLING_EXIT_UNKILLED;
+ }
+
+diff --git a/tools/testing/selftests/vm/mremap_test.c b/tools/testing/selftests/vm/mremap_test.c
+index e3ce33a9954ea..8f4dbbd60c09c 100644
+--- a/tools/testing/selftests/vm/mremap_test.c
++++ b/tools/testing/selftests/vm/mremap_test.c
+@@ -119,6 +119,59 @@ static unsigned long long get_mmap_min_addr(void)
+ return addr;
+ }
+
++/*
++ * Returns false if the requested remap region overlaps with an
++ * existing mapping (e.g text, stack) else returns true.
++ */
++static bool is_remap_region_valid(void *addr, unsigned long long size)
++{
++ void *remap_addr = NULL;
++ bool ret = true;
++
++ /* Use MAP_FIXED_NOREPLACE flag to ensure region is not mapped */
++ remap_addr = mmap(addr, size, PROT_READ | PROT_WRITE,
++ MAP_FIXED_NOREPLACE | MAP_ANONYMOUS | MAP_SHARED,
++ -1, 0);
++
++ if (remap_addr == MAP_FAILED) {
++ if (errno == EEXIST)
++ ret = false;
++ } else {
++ munmap(remap_addr, size);
++ }
++
++ return ret;
++}
++
++/* Returns mmap_min_addr sysctl tunable from procfs */
++static unsigned long long get_mmap_min_addr(void)
++{
++ FILE *fp;
++ int n_matched;
++ static unsigned long long addr;
++
++ if (addr)
++ return addr;
++
++ fp = fopen("/proc/sys/vm/mmap_min_addr", "r");
++ if (fp == NULL) {
++ ksft_print_msg("Failed to open /proc/sys/vm/mmap_min_addr: %s\n",
++ strerror(errno));
++ exit(KSFT_SKIP);
++ }
++
++ n_matched = fscanf(fp, "%llu", &addr);
++ if (n_matched != 1) {
++ ksft_print_msg("Failed to read /proc/sys/vm/mmap_min_addr: %s\n",
++ strerror(errno));
++ fclose(fp);
++ exit(KSFT_SKIP);
++ }
++
++ fclose(fp);
++ return addr;
++}
++
+ /*
+ * Returns the start address of the mapping on success, else returns
+ * NULL on failure.