diff options
28 files changed, 143 insertions, 474 deletions
diff --git a/include/kernel-version.mk b/include/kernel-version.mk index b56bb23..9660969 100644 --- a/include/kernel-version.mk +++ b/include/kernel-version.mk @@ -3,10 +3,10 @@ LINUX_RELEASE?=1 LINUX_VERSION-3.18 = .43 -LINUX_VERSION-4.4 = .61 +LINUX_VERSION-4.4 = .69 LINUX_KERNEL_HASH-3.18.43 = 1236e8123a6ce537d5029232560966feed054ae31776fe8481dd7d18cdd5492c -LINUX_KERNEL_HASH-4.4.61 = 30dee7164615ad8184eba4ea6f4906b3ceb2fe462a8a4a929c8e9aab8d4a31da +LINUX_KERNEL_HASH-4.4.69 = 207bbc50aaf827d667a2762312bd6127887cc669ff7a7270b876e7102b8f84fa ifdef KERNEL_PATCHVER LINUX_VERSION:=$(KERNEL_PATCHVER)$(strip $(LINUX_VERSION-$(KERNEL_PATCHVER))) diff --git a/target/linux/ar71xx/patches-4.4/910-unaligned_access_hacks.patch b/target/linux/ar71xx/patches-4.4/910-unaligned_access_hacks.patch index e7df08b..7e3ba4c 100644 --- a/target/linux/ar71xx/patches-4.4/910-unaligned_access_hacks.patch +++ b/target/linux/ar71xx/patches-4.4/910-unaligned_access_hacks.patch @@ -310,7 +310,7 @@ if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK) --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c -@@ -1407,7 +1407,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, str +@@ -1409,7 +1409,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, str dsfield = ipv6_get_dsfield(ipv6h); if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS) @@ -621,7 +621,7 @@ * XXX skbs on the gro_list have all been parsed and pulled --- a/include/net/addrconf.h +++ b/include/net/addrconf.h -@@ -43,7 +43,7 @@ struct prefix_info { +@@ -45,7 +45,7 @@ struct prefix_info { __be32 reserved2; struct in6_addr prefix; diff --git a/target/linux/brcm2708/patches-4.4/0029-Add-dwc_otg-driver.patch b/target/linux/brcm2708/patches-4.4/0029-Add-dwc_otg-driver.patch index 69711f6..1efdf8e 100644 --- a/target/linux/brcm2708/patches-4.4/0029-Add-dwc_otg-driver.patch +++ b/target/linux/brcm2708/patches-4.4/0029-Add-dwc_otg-driver.patch @@ -659,7 +659,7 @@ dwc_otg: Remove duplicate gadget probe/unregister function } --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c -@@ -4942,7 +4942,7 @@ static void port_event(struct usb_hub *h +@@ -4958,7 +4958,7 @@ static void port_event(struct usb_hub *h if (portchange & USB_PORT_STAT_C_OVERCURRENT) { u16 status = 0, unused; diff --git a/target/linux/brcm2708/patches-4.4/0061-config-Enable-CONFIG_MEMCG-but-leave-it-disabled-due.patch b/target/linux/brcm2708/patches-4.4/0061-config-Enable-CONFIG_MEMCG-but-leave-it-disabled-due.patch index 81a8a62..f3f685a 100644 --- a/target/linux/brcm2708/patches-4.4/0061-config-Enable-CONFIG_MEMCG-but-leave-it-disabled-due.patch +++ b/target/linux/brcm2708/patches-4.4/0061-config-Enable-CONFIG_MEMCG-but-leave-it-disabled-due.patch @@ -10,7 +10,7 @@ Subject: [PATCH] config: Enable CONFIG_MEMCG, but leave it disabled (due to --- a/kernel/cgroup.c +++ b/kernel/cgroup.c -@@ -5310,7 +5310,7 @@ int __init cgroup_init_early(void) +@@ -5311,7 +5311,7 @@ int __init cgroup_init_early(void) return 0; } @@ -19,7 +19,7 @@ Subject: [PATCH] config: Enable CONFIG_MEMCG, but leave it disabled (due to /** * cgroup_init - cgroup initialization -@@ -5806,6 +5806,27 @@ static int __init cgroup_disable(char *s +@@ -5807,6 +5807,27 @@ static int __init cgroup_disable(char *s } __setup("cgroup_disable=", cgroup_disable); diff --git a/target/linux/brcm2708/patches-4.4/0577-x86-ioapic-Restore-IO-APIC-irq_chip-retrigger-callba.patch b/target/linux/brcm2708/patches-4.4/0577-x86-ioapic-Restore-IO-APIC-irq_chip-retrigger-callba.patch deleted file mode 100644 index 48aeac9..0000000 --- a/target/linux/brcm2708/patches-4.4/0577-x86-ioapic-Restore-IO-APIC-irq_chip-retrigger-callba.patch +++ /dev/null @@ -1,46 +0,0 @@ -From 1dab2d7f80fa955ff493785033008b2c17f7cc53 Mon Sep 17 00:00:00 2001 -From: Ruslan Ruslichenko <rruslich@cisco.com> -Date: Tue, 17 Jan 2017 16:13:52 +0200 -Subject: [PATCH] x86/ioapic: Restore IO-APIC irq_chip retrigger callback - -commit 020eb3daaba2857b32c4cf4c82f503d6a00a67de upstream. - -commit d32932d02e18 removed the irq_retrigger callback from the IO-APIC -chip and did not add it to the new IO-APIC-IR irq chip. - -Unfortunately the software resend fallback is not enabled on X86, so edge -interrupts which are received during the lazy disabled state of the -interrupt line are not retriggered and therefor lost. - -Restore the callbacks. - -[ tglx: Massaged changelog ] - -Fixes: d32932d02e18 ("x86/irq: Convert IOAPIC to use hierarchical irqdomain interfaces") -Signed-off-by: Ruslan Ruslichenko <rruslich@cisco.com> -Cc: xe-linux-external@cisco.com -Link: http://lkml.kernel.org/r/1484662432-13580-1-git-send-email-rruslich@cisco.com -Signed-off-by: Thomas Gleixner <tglx@linutronix.de> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - arch/x86/kernel/apic/io_apic.c | 2 ++ - 1 file changed, 2 insertions(+) - ---- a/arch/x86/kernel/apic/io_apic.c -+++ b/arch/x86/kernel/apic/io_apic.c -@@ -1875,6 +1875,7 @@ static struct irq_chip ioapic_chip __rea - .irq_ack = irq_chip_ack_parent, - .irq_eoi = ioapic_ack_level, - .irq_set_affinity = ioapic_set_affinity, -+ .irq_retrigger = irq_chip_retrigger_hierarchy, - .flags = IRQCHIP_SKIP_SET_WAKE, - }; - -@@ -1886,6 +1887,7 @@ static struct irq_chip ioapic_ir_chip __ - .irq_ack = irq_chip_ack_parent, - .irq_eoi = ioapic_ir_ack_level, - .irq_set_affinity = ioapic_set_affinity, -+ .irq_retrigger = irq_chip_retrigger_hierarchy, - .flags = IRQCHIP_SKIP_SET_WAKE, - }; - diff --git a/target/linux/brcm63xx/patches-4.4/577-board_VH4032N.patch b/target/linux/brcm63xx/patches-4.4/577-board_VH4032N.patch index 2e5c13e..4e1e7b6 100644 --- a/target/linux/brcm63xx/patches-4.4/577-board_VH4032N.patch +++ b/target/linux/brcm63xx/patches-4.4/577-board_VH4032N.patch @@ -1,6 +1,6 @@ --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c -@@ -2356,6 +2356,45 @@ static struct board_info __initdata boar +@@ -2310,6 +2310,45 @@ static struct board_info __initdata boar }, }; @@ -46,7 +46,7 @@ static struct b53_platform_data WAP5813n_b53_pdata = { .alias = "eth0", }; -@@ -2662,6 +2701,7 @@ static const struct board_info __initcon +@@ -2615,6 +2654,7 @@ static const struct board_info __initcon &board_HG622, &board_HG655b, &board_P870HW51A_V2, @@ -54,7 +54,7 @@ &board_VR3025u, &board_VR3025un, &board_VR3026e, -@@ -2773,6 +2813,7 @@ static struct of_device_id const bcm963x +@@ -2725,6 +2765,7 @@ static struct of_device_id const bcm963x { .compatible = "huawei,hg655b", .data = &board_HG655b, }, { .compatible = "netgear,dgnd3700v1", .data = &board_DGND3700v1_3800B, }, { .compatible = "netgear,evg2000", .data = &board_EVG2000, }, diff --git a/target/linux/generic/patches-4.4/040-0002-mtd-bcm47xxpart-don-t-fail-because-of-bit-flips.patch b/target/linux/generic/patches-4.4/040-0002-mtd-bcm47xxpart-don-t-fail-because-of-bit-flips.patch index 8a04852..4155a2a 100644 --- a/target/linux/generic/patches-4.4/040-0002-mtd-bcm47xxpart-don-t-fail-because-of-bit-flips.patch +++ b/target/linux/generic/patches-4.4/040-0002-mtd-bcm47xxpart-don-t-fail-because-of-bit-flips.patch @@ -59,7 +59,7 @@ Signed-off-by: Brian Norris <computersforpeace@gmail.com> continue; } -@@ -254,10 +258,11 @@ static int bcm47xxpart_parse(struct mtd_ +@@ -252,10 +256,11 @@ static int bcm47xxpart_parse(struct mtd_ } /* Read middle of the block */ @@ -75,7 +75,7 @@ Signed-off-by: Brian Norris <computersforpeace@gmail.com> continue; } -@@ -277,10 +282,11 @@ static int bcm47xxpart_parse(struct mtd_ +@@ -275,10 +280,11 @@ static int bcm47xxpart_parse(struct mtd_ } offset = master->size - possible_nvram_sizes[i]; diff --git a/target/linux/generic/patches-4.4/042-0004-mtd-bcm47xxpart-fix-parsing-first-block-after-aligne.patch b/target/linux/generic/patches-4.4/042-0004-mtd-bcm47xxpart-fix-parsing-first-block-after-aligne.patch deleted file mode 100644 index 7eed777..0000000 --- a/target/linux/generic/patches-4.4/042-0004-mtd-bcm47xxpart-fix-parsing-first-block-after-aligne.patch +++ /dev/null @@ -1,40 +0,0 @@ -From bd5d21310133921021d78995ad6346f908483124 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Sun, 20 Nov 2016 16:09:30 +0100 -Subject: [PATCH] mtd: bcm47xxpart: fix parsing first block after aligned TRX -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -After parsing TRX we should skip to the first block placed behind it. -Our code was working only with TRX with length not aligned to the -blocksize. In other cases (length aligned) it was missing the block -places right after TRX. - -This fixes calculation and simplifies the comment. - -Signed-off-by: Rafał Miłecki <rafal@milecki.pl> -Signed-off-by: Brian Norris <computersforpeace@gmail.com> ---- - drivers/mtd/bcm47xxpart.c | 10 ++++------ - 1 file changed, 4 insertions(+), 6 deletions(-) - ---- a/drivers/mtd/bcm47xxpart.c -+++ b/drivers/mtd/bcm47xxpart.c -@@ -229,12 +229,10 @@ static int bcm47xxpart_parse(struct mtd_ - - last_trx_part = curr_part - 1; - -- /* -- * We have whole TRX scanned, skip to the next part. Use -- * roundown (not roundup), as the loop will increase -- * offset in next step. -- */ -- offset = rounddown(offset + trx->length, blocksize); -+ /* Jump to the end of TRX */ -+ offset = roundup(offset + trx->length, blocksize); -+ /* Next loop iteration will increase the offset */ -+ offset -= blocksize; - continue; - } - diff --git a/target/linux/generic/patches-4.4/062-01-MIPS-Introduce-irq_stack.patch b/target/linux/generic/patches-4.4/062-01-MIPS-Introduce-irq_stack.patch deleted file mode 100644 index 2a929aa..0000000 --- a/target/linux/generic/patches-4.4/062-01-MIPS-Introduce-irq_stack.patch +++ /dev/null @@ -1,70 +0,0 @@ -From: Matt Redfearn <matt.redfearn@imgtec.com> -Date: Mon, 19 Dec 2016 14:20:56 +0000 -Subject: [PATCH] MIPS: Introduce irq_stack - -Allocate a per-cpu irq stack for use within interrupt handlers. - -Also add a utility function on_irq_stack to determine if a given stack -pointer is within the irq stack for that cpu. - -Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> ---- - ---- a/arch/mips/include/asm/irq.h -+++ b/arch/mips/include/asm/irq.h -@@ -17,6 +17,18 @@ - - #include <irq.h> - -+#define IRQ_STACK_SIZE THREAD_SIZE -+ -+extern void *irq_stack[NR_CPUS]; -+ -+static inline bool on_irq_stack(int cpu, unsigned long sp) -+{ -+ unsigned long low = (unsigned long)irq_stack[cpu]; -+ unsigned long high = low + IRQ_STACK_SIZE; -+ -+ return (low <= sp && sp <= high); -+} -+ - #ifdef CONFIG_I8259 - static inline int irq_canonicalize(int irq) - { ---- a/arch/mips/kernel/asm-offsets.c -+++ b/arch/mips/kernel/asm-offsets.c -@@ -101,6 +101,7 @@ void output_thread_info_defines(void) - OFFSET(TI_REGS, thread_info, regs); - DEFINE(_THREAD_SIZE, THREAD_SIZE); - DEFINE(_THREAD_MASK, THREAD_MASK); -+ DEFINE(_IRQ_STACK_SIZE, IRQ_STACK_SIZE); - BLANK(); - } - ---- a/arch/mips/kernel/irq.c -+++ b/arch/mips/kernel/irq.c -@@ -25,6 +25,8 @@ - #include <linux/atomic.h> - #include <asm/uaccess.h> - -+void *irq_stack[NR_CPUS]; -+ - /* - * 'what should we do if we get a hw irq event on an illegal vector'. - * each architecture has to answer this themselves. -@@ -55,6 +57,15 @@ void __init init_IRQ(void) - irq_set_noprobe(i); - - arch_init_irq(); -+ -+ for_each_possible_cpu(i) { -+ int irq_pages = IRQ_STACK_SIZE / PAGE_SIZE; -+ void *s = (void *)__get_free_pages(GFP_KERNEL, irq_pages); -+ -+ irq_stack[i] = s; -+ pr_debug("CPU%d IRQ stack at 0x%p - 0x%p\n", i, -+ irq_stack[i], irq_stack[i] + IRQ_STACK_SIZE); -+ } - } - - #ifdef CONFIG_DEBUG_STACKOVERFLOW diff --git a/target/linux/generic/patches-4.4/062-02-MIPS-Stack-unwinding-while-on-IRQ-stack.patch b/target/linux/generic/patches-4.4/062-02-MIPS-Stack-unwinding-while-on-IRQ-stack.patch deleted file mode 100644 index fc559ee..0000000 --- a/target/linux/generic/patches-4.4/062-02-MIPS-Stack-unwinding-while-on-IRQ-stack.patch +++ /dev/null @@ -1,42 +0,0 @@ -From: Matt Redfearn <matt.redfearn@imgtec.com> -Date: Mon, 19 Dec 2016 14:20:57 +0000 -Subject: [PATCH] MIPS: Stack unwinding while on IRQ stack - -Within unwind stack, check if the stack pointer being unwound is within -the CPU's irq_stack and if so use that page rather than the task's stack -page. - -Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> ---- - ---- a/arch/mips/kernel/process.c -+++ b/arch/mips/kernel/process.c -@@ -32,6 +32,7 @@ - #include <asm/cpu.h> - #include <asm/dsp.h> - #include <asm/fpu.h> -+#include <asm/irq.h> - #include <asm/msa.h> - #include <asm/pgtable.h> - #include <asm/mipsregs.h> -@@ -552,7 +553,19 @@ EXPORT_SYMBOL(unwind_stack_by_address); - unsigned long unwind_stack(struct task_struct *task, unsigned long *sp, - unsigned long pc, unsigned long *ra) - { -- unsigned long stack_page = (unsigned long)task_stack_page(task); -+ unsigned long stack_page = 0; -+ int cpu; -+ -+ for_each_possible_cpu(cpu) { -+ if (on_irq_stack(cpu, *sp)) { -+ stack_page = (unsigned long)irq_stack[cpu]; -+ break; -+ } -+ } -+ -+ if (!stack_page) -+ stack_page = (unsigned long)task_stack_page(task); -+ - return unwind_stack_by_address(stack_page, sp, pc, ra); - } - #endif diff --git a/target/linux/generic/patches-4.4/062-03-MIPS-Only-change-28-to-thread_info-if-coming-from-us.patch b/target/linux/generic/patches-4.4/062-03-MIPS-Only-change-28-to-thread_info-if-coming-from-us.patch deleted file mode 100644 index e13c67b..0000000 --- a/target/linux/generic/patches-4.4/062-03-MIPS-Only-change-28-to-thread_info-if-coming-from-us.patch +++ /dev/null @@ -1,48 +0,0 @@ -From: Matt Redfearn <matt.redfearn@imgtec.com> -Date: Mon, 19 Dec 2016 14:20:58 +0000 -Subject: [PATCH] MIPS: Only change $28 to thread_info if coming from user - mode - -The SAVE_SOME macro is used to save the execution context on all -exceptions. -If an exception occurs while executing user code, the stack is switched -to the kernel's stack for the current task, and register $28 is switched -to point to the current_thread_info, which is at the bottom of the stack -region. -If the exception occurs while executing kernel code, the stack is left, -and this change ensures that register $28 is not updated. This is the -correct behaviour when the kernel can be executing on the separate irq -stack, because the thread_info will not be at the base of it. - -With this change, register $28 is only switched to it's kernel -conventional usage of the currrent thread info pointer at the point at -which execution enters kernel space. Doing it on every exception was -redundant, but OK without an IRQ stack, but will be erroneous once that -is introduced. - -Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> -Reviewed-by: Maciej W. Rozycki <macro@imgtec.com> ---- - ---- a/arch/mips/include/asm/stackframe.h -+++ b/arch/mips/include/asm/stackframe.h -@@ -216,12 +216,19 @@ - LONG_S $25, PT_R25(sp) - LONG_S $28, PT_R28(sp) - LONG_S $31, PT_R31(sp) -+ -+ /* Set thread_info if we're coming from user mode */ -+ mfc0 k0, CP0_STATUS -+ sll k0, 3 /* extract cu0 bit */ -+ bltz k0, 9f -+ - ori $28, sp, _THREAD_MASK - xori $28, _THREAD_MASK - #ifdef CONFIG_CPU_CAVIUM_OCTEON - .set mips64 - pref 0, 0($28) /* Prefetch the current pointer */ - #endif -+9: - .set pop - .endm - diff --git a/target/linux/generic/patches-4.4/062-04-MIPS-Switch-to-the-irq_stack-in-interrupts.patch b/target/linux/generic/patches-4.4/062-04-MIPS-Switch-to-the-irq_stack-in-interrupts.patch deleted file mode 100644 index 9bd2336..0000000 --- a/target/linux/generic/patches-4.4/062-04-MIPS-Switch-to-the-irq_stack-in-interrupts.patch +++ /dev/null @@ -1,116 +0,0 @@ -From: Matt Redfearn <matt.redfearn@imgtec.com> -Date: Mon, 19 Dec 2016 14:20:59 +0000 -Subject: [PATCH] MIPS: Switch to the irq_stack in interrupts - -When enterring interrupt context via handle_int or except_vec_vi, switch -to the irq_stack of the current CPU if it is not already in use. - -The current stack pointer is masked with the thread size and compared to -the base or the irq stack. If it does not match then the stack pointer -is set to the top of that stack, otherwise this is a nested irq being -handled on the irq stack so the stack pointer should be left as it was. - -The in-use stack pointer is placed in the callee saved register s1. It -will be saved to the stack when plat_irq_dispatch is invoked and can be -restored once control returns here. - -Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> ---- - ---- a/arch/mips/kernel/genex.S -+++ b/arch/mips/kernel/genex.S -@@ -188,9 +188,44 @@ NESTED(handle_int, PT_SIZE, sp) - - LONG_L s0, TI_REGS($28) - LONG_S sp, TI_REGS($28) -- PTR_LA ra, ret_from_irq -- PTR_LA v0, plat_irq_dispatch -- jr v0 -+ -+ /* -+ * SAVE_ALL ensures we are using a valid kernel stack for the thread. -+ * Check if we are already using the IRQ stack. -+ */ -+ move s1, sp # Preserve the sp -+ -+ /* Get IRQ stack for this CPU */ -+ ASM_CPUID_MFC0 k0, ASM_SMP_CPUID_REG -+#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32) -+ lui k1, %hi(irq_stack) -+#else -+ lui k1, %highest(irq_stack) -+ daddiu k1, %higher(irq_stack) -+ dsll k1, 16 -+ daddiu k1, %hi(irq_stack) -+ dsll k1, 16 -+#endif -+ LONG_SRL k0, SMP_CPUID_PTRSHIFT -+ LONG_ADDU k1, k0 -+ LONG_L t0, %lo(irq_stack)(k1) -+ -+ # Check if already on IRQ stack -+ PTR_LI t1, ~(_THREAD_SIZE-1) -+ and t1, t1, sp -+ beq t0, t1, 2f -+ -+ /* Switch to IRQ stack */ -+ li t1, _IRQ_STACK_SIZE -+ PTR_ADD sp, t0, t1 -+ -+2: -+ jal plat_irq_dispatch -+ -+ /* Restore sp */ -+ move sp, s1 -+ -+ j ret_from_irq - #ifdef CONFIG_CPU_MICROMIPS - nop - #endif -@@ -263,8 +298,44 @@ NESTED(except_vec_vi_handler, 0, sp) - - LONG_L s0, TI_REGS($28) - LONG_S sp, TI_REGS($28) -- PTR_LA ra, ret_from_irq -- jr v0 -+ -+ /* -+ * SAVE_ALL ensures we are using a valid kernel stack for the thread. -+ * Check if we are already using the IRQ stack. -+ */ -+ move s1, sp # Preserve the sp -+ -+ /* Get IRQ stack for this CPU */ -+ ASM_CPUID_MFC0 k0, ASM_SMP_CPUID_REG -+#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32) -+ lui k1, %hi(irq_stack) -+#else -+ lui k1, %highest(irq_stack) -+ daddiu k1, %higher(irq_stack) -+ dsll k1, 16 -+ daddiu k1, %hi(irq_stack) -+ dsll k1, 16 -+#endif -+ LONG_SRL k0, SMP_CPUID_PTRSHIFT -+ LONG_ADDU k1, k0 -+ LONG_L t0, %lo(irq_stack)(k1) -+ -+ # Check if already on IRQ stack -+ PTR_LI t1, ~(_THREAD_SIZE-1) -+ and t1, t1, sp -+ beq t0, t1, 2f -+ -+ /* Switch to IRQ stack */ -+ li t1, _IRQ_STACK_SIZE -+ PTR_ADD sp, t0, t1 -+ -+2: -+ jal plat_irq_dispatch -+ -+ /* Restore sp */ -+ move sp, s1 -+ -+ j ret_from_irq - END(except_vec_vi_handler) - - /* diff --git a/target/linux/generic/patches-4.4/062-05-MIPS-Select-HAVE_IRQ_EXIT_ON_IRQ_STACK.patch b/target/linux/generic/patches-4.4/062-05-MIPS-Select-HAVE_IRQ_EXIT_ON_IRQ_STACK.patch deleted file mode 100644 index a4942b8..0000000 --- a/target/linux/generic/patches-4.4/062-05-MIPS-Select-HAVE_IRQ_EXIT_ON_IRQ_STACK.patch +++ /dev/null @@ -1,21 +0,0 @@ -From: Matt Redfearn <matt.redfearn@imgtec.com> -Date: Mon, 19 Dec 2016 14:21:00 +0000 -Subject: [PATCH] MIPS: Select HAVE_IRQ_EXIT_ON_IRQ_STACK - -Since do_IRQ is now invoked on a separate IRQ stack, we select -HAVE_IRQ_EXIT_ON_IRQ_STACK so that softirq's may be invoked directly -from irq_exit(), rather than requiring do_softirq_own_stack. - -Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> ---- - ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -9,6 +9,7 @@ config MIPS - select HAVE_CONTEXT_TRACKING - select HAVE_GENERIC_DMA_COHERENT - select HAVE_IDE -+ select HAVE_IRQ_EXIT_ON_IRQ_STACK - select HAVE_OPROFILE - select HAVE_PERF_EVENTS - select PERF_USE_VMALLOC diff --git a/target/linux/generic/patches-4.4/062-06-MIPS-IRQ-Stack-Fix-erroneous-jal-to-plat_irq_dispatc.patch b/target/linux/generic/patches-4.4/062-06-MIPS-IRQ-Stack-Fix-erroneous-jal-to-plat_irq_dispatc.patch deleted file mode 100644 index 26cf5c4..0000000 --- a/target/linux/generic/patches-4.4/062-06-MIPS-IRQ-Stack-Fix-erroneous-jal-to-plat_irq_dispatc.patch +++ /dev/null @@ -1,35 +0,0 @@ -From de856416e7143e32afc4849625616554aa060f7a Mon Sep 17 00:00:00 2001 -From: Matt Redfearn <matt.redfearn@imgtec.com> -Date: Wed, 25 Jan 2017 17:00:25 +0000 -Subject: [PATCH] MIPS: IRQ Stack: Fix erroneous jal to plat_irq_dispatch - -Commit dda45f701c9d ("MIPS: Switch to the irq_stack in interrupts") -changed both the normal and vectored interrupt handlers. Unfortunately -the vectored version, "except_vec_vi_handler", was incorrectly modified -to unconditionally jal to plat_irq_dispatch, rather than doing a jalr to -the vectored handler that has been set up. This is ok for many platforms -which set the vectored handler to plat_irq_dispatch anyway, but will -cause problems with platforms that use other handlers. - -Fixes: dda45f701c9d ("MIPS: Switch to the irq_stack in interrupts") -Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com> -Cc: Ralf Baechle <ralf@linux-mips.org> -Cc: Paul Burton <paul.burton@imgtec.com> -Cc: linux-mips@linux-mips.org -Patchwork: https://patchwork.linux-mips.org/patch/15110/ -Signed-off-by: James Hogan <james.hogan@imgtec.com> ---- - arch/mips/kernel/genex.S | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - ---- a/arch/mips/kernel/genex.S -+++ b/arch/mips/kernel/genex.S -@@ -330,7 +330,7 @@ NESTED(except_vec_vi_handler, 0, sp) - PTR_ADD sp, t0, t1 - - 2: -- jal plat_irq_dispatch -+ jalr v0 - - /* Restore sp */ - move sp, s1 diff --git a/target/linux/generic/patches-4.4/630-packet_socket_type.patch b/target/linux/generic/patches-4.4/630-packet_socket_type.patch index c334418..d308786 100644 --- a/target/linux/generic/patches-4.4/630-packet_socket_type.patch +++ b/target/linux/generic/patches-4.4/630-packet_socket_type.patch @@ -91,7 +91,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> if (sock->type == SOCK_PACKET) po->prot_hook.func = packet_rcv_spkt; -@@ -3737,6 +3740,16 @@ packet_setsockopt(struct socket *sock, i +@@ -3739,6 +3742,16 @@ packet_setsockopt(struct socket *sock, i po->xmit = val ? packet_direct_xmit : dev_queue_xmit; return 0; } @@ -108,7 +108,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name> default: return -ENOPROTOOPT; } -@@ -3789,6 +3802,13 @@ static int packet_getsockopt(struct sock +@@ -3791,6 +3804,13 @@ static int packet_getsockopt(struct sock case PACKET_VNET_HDR: val = po->has_vnet_hdr; break; diff --git a/target/linux/generic/patches-4.4/666-Add-support-for-MAP-E-FMRs-mesh-mode.patch b/target/linux/generic/patches-4.4/666-Add-support-for-MAP-E-FMRs-mesh-mode.patch index da8e8a6..c402e04 100644 --- a/target/linux/generic/patches-4.4/666-Add-support-for-MAP-E-FMRs-mesh-mode.patch +++ b/target/linux/generic/patches-4.4/666-Add-support-for-MAP-E-FMRs-mesh-mode.patch @@ -296,7 +296,7 @@ Signed-off-by: Steven Barth <cyrus@openwrt.org> __skb_tunnel_rx(skb, t->dev, t->net); -@@ -1245,6 +1382,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, str +@@ -1247,6 +1384,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, str __u32 mtu; u8 tproto; int err; @@ -304,7 +304,7 @@ Signed-off-by: Steven Barth <cyrus@openwrt.org> tproto = ACCESS_ONCE(t->parms.proto); if ((tproto != IPPROTO_IPV6 && tproto != 0) || -@@ -1275,6 +1413,18 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, str +@@ -1277,6 +1415,18 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, str if (t->parms.flags & IP6_TNL_F_USE_ORIG_FWMARK) fl6.flowi6_mark = skb->mark; @@ -323,7 +323,7 @@ Signed-off-by: Steven Barth <cyrus@openwrt.org> err = ip6_tnl_xmit2(skb, dev, dsfield, &fl6, encap_limit, &mtu); if (err != 0) { if (err == -EMSGSIZE) -@@ -1389,6 +1539,14 @@ ip6_tnl_change(struct ip6_tnl *t, const +@@ -1391,6 +1541,14 @@ ip6_tnl_change(struct ip6_tnl *t, const t->parms.flowinfo = p->flowinfo; t->parms.link = p->link; t->parms.proto = p->proto; @@ -338,7 +338,7 @@ Signed-off-by: Steven Barth <cyrus@openwrt.org> ip6_tnl_dst_reset(t); ip6_tnl_link_config(t); return 0; -@@ -1427,6 +1585,7 @@ ip6_tnl_parm_from_user(struct __ip6_tnl_ +@@ -1429,6 +1587,7 @@ ip6_tnl_parm_from_user(struct __ip6_tnl_ p->flowinfo = u->flowinfo; p->link = u->link; p->proto = u->proto; @@ -346,7 +346,7 @@ Signed-off-by: Steven Barth <cyrus@openwrt.org> memcpy(p->name, u->name, sizeof(u->name)); } -@@ -1722,6 +1881,15 @@ static int ip6_tnl_validate(struct nlatt +@@ -1724,6 +1883,15 @@ static int ip6_tnl_validate(struct nlatt return 0; } @@ -362,7 +362,7 @@ Signed-off-by: Steven Barth <cyrus@openwrt.org> static void ip6_tnl_netlink_parms(struct nlattr *data[], struct __ip6_tnl_parm *parms) { -@@ -1753,6 +1921,46 @@ static void ip6_tnl_netlink_parms(struct +@@ -1755,6 +1923,46 @@ static void ip6_tnl_netlink_parms(struct if (data[IFLA_IPTUN_PROTO]) parms->proto = nla_get_u8(data[IFLA_IPTUN_PROTO]); @@ -409,7 +409,7 @@ Signed-off-by: Steven Barth <cyrus@openwrt.org> } static int ip6_tnl_newlink(struct net *src_net, struct net_device *dev, -@@ -1805,6 +2013,12 @@ static void ip6_tnl_dellink(struct net_d +@@ -1807,6 +2015,12 @@ static void ip6_tnl_dellink(struct net_d static size_t ip6_tnl_get_size(const struct net_device *dev) { @@ -422,7 +422,7 @@ Signed-off-by: Steven Barth <cyrus@openwrt.org> return /* IFLA_IPTUN_LINK */ nla_total_size(4) + -@@ -1822,6 +2036,24 @@ static size_t ip6_tnl_get_size(const str +@@ -1824,6 +2038,24 @@ static size_t ip6_tnl_get_size(const str nla_total_size(4) + /* IFLA_IPTUN_PROTO */ nla_total_size(1) + @@ -447,7 +447,7 @@ Signed-off-by: Steven Barth <cyrus@openwrt.org> 0; } -@@ -1829,6 +2061,9 @@ static int ip6_tnl_fill_info(struct sk_b +@@ -1831,6 +2063,9 @@ static int ip6_tnl_fill_info(struct sk_b { struct ip6_tnl *tunnel = netdev_priv(dev); struct __ip6_tnl_parm *parm = &tunnel->parms; @@ -457,7 +457,7 @@ Signed-off-by: Steven Barth <cyrus@openwrt.org> if (nla_put_u32(skb, IFLA_IPTUN_LINK, parm->link) || nla_put_in6_addr(skb, IFLA_IPTUN_LOCAL, &parm->laddr) || -@@ -1837,8 +2072,27 @@ static int ip6_tnl_fill_info(struct sk_b +@@ -1839,8 +2074,27 @@ static int ip6_tnl_fill_info(struct sk_b nla_put_u8(skb, IFLA_IPTUN_ENCAP_LIMIT, parm->encap_limit) || nla_put_be32(skb, IFLA_IPTUN_FLOWINFO, parm->flowinfo) || nla_put_u32(skb, IFLA_IPTUN_FLAGS, parm->flags) || @@ -486,7 +486,7 @@ Signed-off-by: Steven Barth <cyrus@openwrt.org> return 0; nla_put_failure: -@@ -1862,6 +2116,7 @@ static const struct nla_policy ip6_tnl_p +@@ -1864,6 +2118,7 @@ static const struct nla_policy ip6_tnl_p [IFLA_IPTUN_FLOWINFO] = { .type = NLA_U32 }, [IFLA_IPTUN_FLAGS] = { .type = NLA_U32 }, [IFLA_IPTUN_PROTO] = { .type = NLA_U8 }, diff --git a/target/linux/generic/patches-4.4/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch b/target/linux/generic/patches-4.4/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch index a82073b..e3f60e2 100644 --- a/target/linux/generic/patches-4.4/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch +++ b/target/linux/generic/patches-4.4/670-ipv6-allow-rejecting-with-source-address-failed-policy.patch @@ -143,7 +143,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> static const struct rt6_info ip6_blk_hole_entry_template = { .dst = { .__refcnt = ATOMIC_INIT(1), -@@ -1885,6 +1902,11 @@ static struct rt6_info *ip6_route_info_c +@@ -1889,6 +1906,11 @@ static struct rt6_info *ip6_route_info_c rt->dst.output = ip6_pkt_prohibit_out; rt->dst.input = ip6_pkt_prohibit; break; @@ -155,7 +155,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> case RTN_THROW: case RTN_UNREACHABLE: default: -@@ -2486,6 +2508,17 @@ static int ip6_pkt_prohibit_out(struct n +@@ -2492,6 +2514,17 @@ static int ip6_pkt_prohibit_out(struct n return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_OUTNOROUTES); } @@ -173,7 +173,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> /* * Allocate a dst for local (unicast / anycast) address. */ -@@ -2728,7 +2761,8 @@ static int rtm_to_fib6_config(struct sk_ +@@ -2734,7 +2767,8 @@ static int rtm_to_fib6_config(struct sk_ if (rtm->rtm_type == RTN_UNREACHABLE || rtm->rtm_type == RTN_BLACKHOLE || rtm->rtm_type == RTN_PROHIBIT || @@ -183,7 +183,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> cfg->fc_flags |= RTF_REJECT; if (rtm->rtm_type == RTN_LOCAL) -@@ -3087,6 +3121,9 @@ static int rt6_fill_node(struct net *net +@@ -3093,6 +3127,9 @@ static int rt6_fill_node(struct net *net case -EACCES: rtm->rtm_type = RTN_PROHIBIT; break; @@ -193,7 +193,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> case -EAGAIN: rtm->rtm_type = RTN_THROW; break; -@@ -3363,6 +3400,8 @@ static int ip6_route_dev_notify(struct n +@@ -3372,6 +3409,8 @@ static int ip6_route_dev_notify(struct n #ifdef CONFIG_IPV6_MULTIPLE_TABLES net->ipv6.ip6_prohibit_entry->dst.dev = dev; net->ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(dev); @@ -202,7 +202,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> net->ipv6.ip6_blk_hole_entry->dst.dev = dev; net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev); #endif -@@ -3579,6 +3618,17 @@ static int __net_init ip6_route_net_init +@@ -3594,6 +3633,17 @@ static int __net_init ip6_route_net_init net->ipv6.ip6_blk_hole_entry->dst.ops = &net->ipv6.ip6_dst_ops; dst_init_metrics(&net->ipv6.ip6_blk_hole_entry->dst, ip6_template_metrics, true); @@ -220,7 +220,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> #endif net->ipv6.sysctl.flush_delay = 0; -@@ -3597,6 +3647,8 @@ out: +@@ -3612,6 +3662,8 @@ out: return ret; #ifdef CONFIG_IPV6_MULTIPLE_TABLES @@ -229,7 +229,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> out_ip6_prohibit_entry: kfree(net->ipv6.ip6_prohibit_entry); out_ip6_null_entry: -@@ -3614,6 +3666,7 @@ static void __net_exit ip6_route_net_exi +@@ -3629,6 +3681,7 @@ static void __net_exit ip6_route_net_exi #ifdef CONFIG_IPV6_MULTIPLE_TABLES kfree(net->ipv6.ip6_prohibit_entry); kfree(net->ipv6.ip6_blk_hole_entry); @@ -237,7 +237,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> #endif dst_entries_destroy(&net->ipv6.ip6_dst_ops); } -@@ -3711,6 +3764,9 @@ int __init ip6_route_init(void) +@@ -3702,6 +3755,9 @@ void __init ip6_route_init_special_entri init_net.ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev); init_net.ipv6.ip6_blk_hole_entry->dst.dev = init_net.loopback_dev; init_net.ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev); @@ -245,5 +245,5 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> + init_net.ipv6.ip6_policy_failed_entry->rt6i_idev = + in6_dev_get(init_net.loopback_dev); #endif - ret = fib6_init(); - if (ret) + } + diff --git a/target/linux/ipq806x/patches-4.4/096-03-usb-dwc3-Validate-the-maximum_speed-parameter.patch b/target/linux/ipq806x/patches-4.4/096-03-usb-dwc3-Validate-the-maximum_speed-parameter.patch index 0f17918..784ba06 100644 --- a/target/linux/ipq806x/patches-4.4/096-03-usb-dwc3-Validate-the-maximum_speed-parameter.patch +++ b/target/linux/ipq806x/patches-4.4/096-03-usb-dwc3-Validate-the-maximum_speed-parameter.patch @@ -49,7 +49,7 @@ Signed-off-by: Felipe Balbi <balbi@kernel.org> /* Adjust Frame Length */ --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c -@@ -1634,10 +1634,13 @@ static int dwc3_gadget_start(struct usb_ +@@ -1647,10 +1647,13 @@ static int dwc3_gadget_start(struct usb_ case USB_SPEED_HIGH: reg |= DWC3_DSTS_HIGHSPEED; break; diff --git a/target/linux/ipq806x/patches-4.4/096-08-usb-dwc3-remove-num_event_buffers.patch b/target/linux/ipq806x/patches-4.4/096-08-usb-dwc3-remove-num_event_buffers.patch index 5067548..4fb4064 100644 --- a/target/linux/ipq806x/patches-4.4/096-08-usb-dwc3-remove-num_event_buffers.patch +++ b/target/linux/ipq806x/patches-4.4/096-08-usb-dwc3-remove-num_event_buffers.patch @@ -161,7 +161,7 @@ Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c -@@ -2556,14 +2556,14 @@ static void dwc3_process_event_entry(str +@@ -2569,14 +2569,14 @@ static void dwc3_process_event_entry(str } } @@ -178,7 +178,7 @@ Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> left = evt->count; if (!(evt->flags & DWC3_EVENT_PENDING)) -@@ -2588,7 +2588,7 @@ static irqreturn_t dwc3_process_event_bu +@@ -2601,7 +2601,7 @@ static irqreturn_t dwc3_process_event_bu evt->lpos = (evt->lpos + 4) % DWC3_EVENT_BUFFERS_SIZE; left -= 4; @@ -187,7 +187,7 @@ Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> } evt->count = 0; -@@ -2596,9 +2596,9 @@ static irqreturn_t dwc3_process_event_bu +@@ -2609,9 +2609,9 @@ static irqreturn_t dwc3_process_event_bu ret = IRQ_HANDLED; /* Unmask interrupt */ @@ -199,7 +199,7 @@ Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> return ret; } -@@ -2608,27 +2608,23 @@ static irqreturn_t dwc3_thread_interrupt +@@ -2621,27 +2621,23 @@ static irqreturn_t dwc3_thread_interrupt struct dwc3 *dwc = _dwc; unsigned long flags; irqreturn_t ret = IRQ_NONE; @@ -231,7 +231,7 @@ Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> count &= DWC3_GEVNTCOUNT_MASK; if (!count) return IRQ_NONE; -@@ -2637,9 +2633,9 @@ static irqreturn_t dwc3_check_event_buf( +@@ -2650,9 +2646,9 @@ static irqreturn_t dwc3_check_event_buf( evt->flags |= DWC3_EVENT_PENDING; /* Mask interrupt */ @@ -243,7 +243,7 @@ Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> return IRQ_WAKE_THREAD; } -@@ -2647,18 +2643,8 @@ static irqreturn_t dwc3_check_event_buf( +@@ -2660,18 +2656,8 @@ static irqreturn_t dwc3_check_event_buf( static irqreturn_t dwc3_interrupt(int irq, void *_dwc) { struct dwc3 *dwc = _dwc; diff --git a/target/linux/ipq806x/patches-4.4/096-09-usb-dwc3-drop-ev_buffs-array.patch b/target/linux/ipq806x/patches-4.4/096-09-usb-dwc3-drop-ev_buffs-array.patch index 827b621..6592a4e 100644 --- a/target/linux/ipq806x/patches-4.4/096-09-usb-dwc3-drop-ev_buffs-array.patch +++ b/target/linux/ipq806x/patches-4.4/096-09-usb-dwc3-drop-ev_buffs-array.patch @@ -76,7 +76,7 @@ Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> struct usb_gadget gadget; --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c -@@ -2563,7 +2563,7 @@ static irqreturn_t dwc3_process_event_bu +@@ -2576,7 +2576,7 @@ static irqreturn_t dwc3_process_event_bu int left; u32 reg; @@ -85,7 +85,7 @@ Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> left = evt->count; if (!(evt->flags & DWC3_EVENT_PENDING)) -@@ -2622,7 +2622,7 @@ static irqreturn_t dwc3_check_event_buf( +@@ -2635,7 +2635,7 @@ static irqreturn_t dwc3_check_event_buf( u32 count; u32 reg; diff --git a/target/linux/ipq806x/patches-4.4/100-usb-phy-Add-Qualcomm-DWC3-HS-SS-PHY-drivers.patch b/target/linux/ipq806x/patches-4.4/100-usb-phy-Add-Qualcomm-DWC3-HS-SS-PHY-drivers.patch index 0da1927..7d1ab13 100644 --- a/target/linux/ipq806x/patches-4.4/100-usb-phy-Add-Qualcomm-DWC3-HS-SS-PHY-drivers.patch +++ b/target/linux/ipq806x/patches-4.4/100-usb-phy-Add-Qualcomm-DWC3-HS-SS-PHY-drivers.patch @@ -1,6 +1,6 @@ --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig -@@ -390,4 +390,15 @@ config PHY_CYGNUS_PCIE +@@ -391,4 +391,15 @@ config PHY_CYGNUS_PCIE Enable this to support the Broadcom Cygnus PCIe PHY. If unsure, say N. diff --git a/target/linux/lantiq/patches-4.4/0047-irq-fixes.patch b/target/linux/lantiq/patches-4.4/0047-irq-fixes.patch index f664deb..9efa63d 100644 --- a/target/linux/lantiq/patches-4.4/0047-irq-fixes.patch +++ b/target/linux/lantiq/patches-4.4/0047-irq-fixes.patch @@ -45,7 +45,7 @@ /* disable */ ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_INEN) & ~BIT(i), LTQ_EIU_EXIN_INEN); -@@ -344,10 +344,10 @@ static int icu_map(struct irq_domain *d, +@@ -343,10 +343,10 @@ static int icu_map(struct irq_domain *d, return 0; for (i = 0; i < exin_avail; i++) @@ -58,7 +58,7 @@ return 0; } -@@ -437,14 +437,14 @@ int __init icu_of_init(struct device_nod +@@ -441,14 +441,14 @@ int __init icu_of_init(struct device_nod eiu_node = of_find_compatible_node(NULL, NULL, "lantiq,eiu-xway"); if (eiu_node && !of_address_to_resource(eiu_node, 0, &res)) { /* find out how many external irq sources we have */ diff --git a/target/linux/lantiq/patches-4.4/0050-MIPS-Lantiq-Fix-cascaded-IRQ-setup.patch b/target/linux/lantiq/patches-4.4/0050-MIPS-Lantiq-Fix-cascaded-IRQ-setup.patch new file mode 100644 index 0000000..c0d7afc --- /dev/null +++ b/target/linux/lantiq/patches-4.4/0050-MIPS-Lantiq-Fix-cascaded-IRQ-setup.patch @@ -0,0 +1,87 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Thu, 19 Jan 2017 12:14:44 +0100 +Subject: [PATCH] MIPS: Lantiq: Fix cascaded IRQ setup + +With the IRQ stack changes integrated, the XRX200 devices started +emitting a constant stream of kernel messages like this: + +[ 565.415310] Spurious IRQ: CAUSE=0x1100c300 + +This appears to be caused by IP0 firing for some reason without being +handled. Fix this by setting up IP2-6 as a proper chained IRQ handler and +calling do_IRQ for all MIPS CPU interrupts. + +Cc: john@phrozen.org +Cc: stable@vger.kernel.org +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/arch/mips/lantiq/irq.c ++++ b/arch/mips/lantiq/irq.c +@@ -271,6 +271,11 @@ static void ltq_hw5_irqdispatch(void) + DEFINE_HWx_IRQDISPATCH(5) + #endif + ++static void ltq_hw_irq_handler(struct irq_desc *desc) ++{ ++ ltq_hw_irqdispatch(irq_desc_get_irq(desc) - 2); ++} ++ + #ifdef CONFIG_MIPS_MT_SMP + void __init arch_init_ipiirq(int irq, struct irqaction *action) + { +@@ -315,23 +320,19 @@ static struct irqaction irq_call = { + asmlinkage void plat_irq_dispatch(void) + { + unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM; +- unsigned int i; ++ int irq; + +- if ((MIPS_CPU_TIMER_IRQ == 7) && (pending & CAUSEF_IP7)) { +- do_IRQ(MIPS_CPU_TIMER_IRQ); +- goto out; +- } else { +- for (i = 0; i < MAX_IM; i++) { +- if (pending & (CAUSEF_IP2 << i)) { +- ltq_hw_irqdispatch(i); +- goto out; +- } +- } ++ if (!pending) { ++ spurious_interrupt(); ++ return; + } +- pr_alert("Spurious IRQ: CAUSE=0x%08x\n", read_c0_status()); + +-out: +- return; ++ pending >>= CAUSEB_IP; ++ while (pending) { ++ irq = fls(pending) - 1; ++ do_IRQ(MIPS_CPU_IRQ_BASE + irq); ++ pending &= ~BIT(irq); ++ } + } + + static int icu_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) +@@ -356,11 +357,6 @@ static const struct irq_domain_ops irq_d + .map = icu_map, + }; + +-static struct irqaction cascade = { +- .handler = no_action, +- .name = "cascade", +-}; +- + int __init icu_of_init(struct device_node *node, struct device_node *parent) + { + struct device_node *eiu_node; +@@ -392,7 +388,7 @@ int __init icu_of_init(struct device_nod + mips_cpu_irq_init(); + + for (i = 0; i < MAX_IM; i++) +- setup_irq(i + 2, &cascade); ++ irq_set_chained_handler(i + 2, ltq_hw_irq_handler); + + if (cpu_has_vint) { + pr_info("Setting up vectored interrupts\n"); diff --git a/target/linux/mediatek/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch b/target/linux/mediatek/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch index b45d3aa..4b25d18 100644 --- a/target/linux/mediatek/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch +++ b/target/linux/mediatek/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch @@ -4672,7 +4672,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org> int INFTL_mount(struct INFTLrecord *s); --- a/include/linux/mtd/map.h +++ b/include/linux/mtd/map.h -@@ -142,7 +142,9 @@ +@@ -137,7 +137,9 @@ #endif #ifndef map_bankwidth @@ -4682,7 +4682,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org> static inline int map_bankwidth(void *map) { BUG(); -@@ -238,8 +240,11 @@ struct map_info { +@@ -233,8 +235,11 @@ struct map_info { If there is no cache to care about this can be set to NULL. */ void (*inval_cache)(struct map_info *, unsigned long, ssize_t); diff --git a/target/linux/oxnas/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch b/target/linux/oxnas/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch index b45d3aa..4b25d18 100644 --- a/target/linux/oxnas/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch +++ b/target/linux/oxnas/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch @@ -4672,7 +4672,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org> int INFTL_mount(struct INFTLrecord *s); --- a/include/linux/mtd/map.h +++ b/include/linux/mtd/map.h -@@ -142,7 +142,9 @@ +@@ -137,7 +137,9 @@ #endif #ifndef map_bankwidth @@ -4682,7 +4682,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org> static inline int map_bankwidth(void *map) { BUG(); -@@ -238,8 +240,11 @@ struct map_info { +@@ -233,8 +235,11 @@ struct map_info { If there is no cache to care about this can be set to NULL. */ void (*inval_cache)(struct map_info *, unsigned long, ssize_t); diff --git a/target/linux/sunxi/patches-4.4/100-clk-sunxi-add-dram-gates-support.patch b/target/linux/sunxi/patches-4.4/100-clk-sunxi-add-dram-gates-support.patch index 4d353f3..a94e9b8 100644 --- a/target/linux/sunxi/patches-4.4/100-clk-sunxi-add-dram-gates-support.patch +++ b/target/linux/sunxi/patches-4.4/100-clk-sunxi-add-dram-gates-support.patch @@ -21,7 +21,7 @@ Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> --- a/drivers/clk/sunxi/clk-simple-gates.c +++ b/drivers/clk/sunxi/clk-simple-gates.c -@@ -158,3 +158,15 @@ CLK_OF_DECLARE(sun5i_a13_ahb, "allwinner +@@ -160,3 +160,15 @@ CLK_OF_DECLARE(sun5i_a13_ahb, "allwinner sun4i_a10_ahb_init); CLK_OF_DECLARE(sun7i_a20_ahb, "allwinner,sun7i-a20-ahb-gates-clk", sun4i_a10_ahb_init); diff --git a/target/linux/sunxi/patches-4.4/107-clk-sunxi-add-h3-usbphy-clocks.patch b/target/linux/sunxi/patches-4.4/107-clk-sunxi-add-h3-usbphy-clocks.patch index ddd5e97..c845d51 100644 --- a/target/linux/sunxi/patches-4.4/107-clk-sunxi-add-h3-usbphy-clocks.patch +++ b/target/linux/sunxi/patches-4.4/107-clk-sunxi-add-h3-usbphy-clocks.patch @@ -19,7 +19,7 @@ Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> --- a/Documentation/devicetree/bindings/clock/sunxi.txt +++ b/Documentation/devicetree/bindings/clock/sunxi.txt -@@ -68,6 +68,7 @@ Required properties: +@@ -70,6 +70,7 @@ Required properties: "allwinner,sun5i-a13-usb-clk" - for usb gates + resets on A13 "allwinner,sun6i-a31-usb-clk" - for usb gates + resets on A31 "allwinner,sun8i-a23-usb-clk" - for usb gates + resets on A23 diff --git a/target/linux/sunxi/patches-4.4/110-clk-sunxi-add-ve-for-sun457i.patch b/target/linux/sunxi/patches-4.4/110-clk-sunxi-add-ve-for-sun457i.patch index 780e034..f929753 100644 --- a/target/linux/sunxi/patches-4.4/110-clk-sunxi-add-ve-for-sun457i.patch +++ b/target/linux/sunxi/patches-4.4/110-clk-sunxi-add-ve-for-sun457i.patch @@ -22,7 +22,7 @@ Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> --- a/Documentation/devicetree/bindings/clock/sunxi.txt +++ b/Documentation/devicetree/bindings/clock/sunxi.txt -@@ -71,6 +71,7 @@ Required properties: +@@ -73,6 +73,7 @@ Required properties: "allwinner,sun8i-h3-usb-clk" - for usb gates + resets on H3 "allwinner,sun9i-a80-usb-mod-clk" - for usb gates + resets on A80 "allwinner,sun9i-a80-usb-phy-clk" - for usb phy gates + resets on A80 @@ -30,7 +30,7 @@ Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Required properties for all clocks: - reg : shall be the control register address for the clock. -@@ -90,6 +91,9 @@ Required properties for all clocks: +@@ -92,6 +93,9 @@ Required properties for all clocks: And "allwinner,*-usb-clk" clocks also require: - reset-cells : shall be set to 1 |