From 6ca5ccc62019cf9376b552c0635f4242dd4fae0f Mon Sep 17 00:00:00 2001 From: Jo-Philipp Wich Date: Sat, 15 Apr 2017 17:00:49 +0200 Subject: kernel: update kernel 4.4 to 4.4.61 Signed-off-by: Jo-Philipp Wich --- .../linux/lantiq/patches-4.4/0047-irq-fixes.patch | 4 +- .../0050-MIPS-Lantiq-Fix-cascaded-IRQ-setup.patch | 87 ---------------------- 2 files changed, 2 insertions(+), 89 deletions(-) delete mode 100644 target/linux/lantiq/patches-4.4/0050-MIPS-Lantiq-Fix-cascaded-IRQ-setup.patch (limited to 'target/linux/lantiq') 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 9efa63d..f664deb 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); -@@ -343,10 +343,10 @@ static int icu_map(struct irq_domain *d, +@@ -344,10 +344,10 @@ static int icu_map(struct irq_domain *d, return 0; for (i = 0; i < exin_avail; i++) @@ -58,7 +58,7 @@ return 0; } -@@ -441,14 +441,14 @@ int __init icu_of_init(struct device_nod +@@ -437,14 +437,14 @@ 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 deleted file mode 100644 index c0d7afc..0000000 --- a/target/linux/lantiq/patches-4.4/0050-MIPS-Lantiq-Fix-cascaded-IRQ-setup.patch +++ /dev/null @@ -1,87 +0,0 @@ -From: Felix Fietkau -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 ---- - ---- 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"); -- cgit v1.1