diff options
| author | Jonas Gorski <jogo@openwrt.org> | 2014-07-12 12:31:47 +0000 |
|---|---|---|
| committer | Jonas Gorski <jogo@openwrt.org> | 2014-07-12 12:31:47 +0000 |
| commit | 2b6403722bad259bb23312437359a1849a0e0d12 (patch) | |
| tree | 560d14f0b26144627ea39252ea83030453a2351f /target/linux | |
| parent | ba9d2f397a9046c5d75a689fedd745ff96e7864b (diff) | |
| download | upstream-2b6403722bad259bb23312437359a1849a0e0d12.tar.gz upstream-2b6403722bad259bb23312437359a1849a0e0d12.tar.bz2 upstream-2b6403722bad259bb23312437359a1849a0e0d12.zip | |
brcm63xx: update irq affinity code to latest version
Reduces code size a bit and sets affinity to boot cpu by default.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
SVN-Revision: 41591
Diffstat (limited to 'target/linux')
20 files changed, 170 insertions, 128 deletions
diff --git a/target/linux/brcm63xx/patches-3.10/318-MIPS-BCM63XX-rename-__dispatch_internal-to-__dispatc.patch b/target/linux/brcm63xx/patches-3.10/318-MIPS-BCM63XX-add-width-to-__dispatch_internal.patch index f4d98c3454..dc8f8b3c1f 100644 --- a/target/linux/brcm63xx/patches-3.10/318-MIPS-BCM63XX-rename-__dispatch_internal-to-__dispatc.patch +++ b/target/linux/brcm63xx/patches-3.10/318-MIPS-BCM63XX-add-width-to-__dispatch_internal.patch @@ -1,8 +1,7 @@ -From 653dcc09407a695efb203337c6f72515d4c4ee43 Mon Sep 17 00:00:00 2001 +From a2015bfad293a7eb79519beb60381cb996c6e298 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Thu, 21 Mar 2013 17:05:15 +0100 -Subject: [PATCH 29/53] MIPS: BCM63XX: rename __dispatch_internal to - __dispatch_internal_32 +Subject: [PATCH 01/10] MIPS: BCM63XX: add width to __dispatch_internal Make it follow the same naming convention as the other functions. diff --git a/target/linux/brcm63xx/patches-3.10/319-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch b/target/linux/brcm63xx/patches-3.10/319-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch index fb579396b2..c9dc4cea46 100644 --- a/target/linux/brcm63xx/patches-3.10/319-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch +++ b/target/linux/brcm63xx/patches-3.10/319-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch @@ -1,9 +1,11 @@ -From c28c639b031385ecf965eecf3bfb532e88044c89 Mon Sep 17 00:00:00 2001 +From 6e79c6dd02aa56e37eb071797f0eb5e3fb588cba Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Sun, 15 Dec 2013 20:52:53 +0100 -Subject: [PATCH 30/53] MIPS: BCM63XX: move bcm63xx_init_irq down +Subject: [PATCH 02/10] MIPS: BCM63XX: move bcm63xx_init_irq down Allows up to drop the prototypes from the top. + +Signed-off-by: Jonas Gorski <jogo@openwrt.org> --- arch/mips/bcm63xx/irq.c | 190 +++++++++++++++++++++++------------------------- 1 file changed, 92 insertions(+), 98 deletions(-) diff --git a/target/linux/brcm63xx/patches-3.10/320-MIPS-BCM63XX-replace-irq-dispatch-code-with-a-generi.patch b/target/linux/brcm63xx/patches-3.10/320-MIPS-BCM63XX-replace-irq-dispatch-code-with-a-generi.patch index f0311ce90c..021d0d9537 100644 --- a/target/linux/brcm63xx/patches-3.10/320-MIPS-BCM63XX-replace-irq-dispatch-code-with-a-generi.patch +++ b/target/linux/brcm63xx/patches-3.10/320-MIPS-BCM63XX-replace-irq-dispatch-code-with-a-generi.patch @@ -1,15 +1,22 @@ -From 01bf26c51b427e24ac69f604d33f7d9360a9e470 Mon Sep 17 00:00:00 2001 +From 39b46ed1c9fe71890566e129d9ac5feb8421b3b4 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Thu, 18 Apr 2013 21:14:49 +0200 -Subject: [PATCH 31/53] MIPS: BCM63XX: replace irq dispatch code with a generic +Subject: [PATCH 03/10] MIPS: BCM63XX: replace irq dispatch code with a generic version -The generic version uses a variable length of u32 registers of u32/u64. -This allows easier support for longer registers without having to rewrite -verything. +The generic version uses a variable length of u32 registers instead of u32/u64. +This allows easier support for "wider" registers without having to rewrite +everything. -This "generic" version is not slower than the old version in the best case -(= i == next set bit), and twice as fast in the worst case in 64 bits. +This "generic" version is as fast as the old version in the best case +(i == next set bit), and twice as fast in the worst case in 64 bits. + +Using a macro was chosen over a (forced) inline version because gcc generated +more compact code with the macro. + +The change from (signed) int to unsigned int for i and to_call was intentional +as the value can be only between 0 and (width - 1) anyway, and allowed gcc to +optimise the code a bit further. Signed-off-by: Jonas Gorski <jogo@openwrt.org> --- @@ -47,7 +54,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> + u32 pending[width / 32]; \ + unsigned int src, tgt; \ + bool irqs_pending = false; \ -+ static int i; \ ++ static unsigned int i; \ + \ + /* read registers in reverse order */ \ + for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ @@ -65,7 +72,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> + return; \ + \ + while (1) { \ -+ int to_call = i; \ ++ unsigned int to_call = i; \ + \ + i = (i + 1) & (width - 1); \ + if (pending[to_call / 32] & (1 << (to_call & 0x1f))) { \ @@ -87,13 +94,13 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> +} \ + \ +static void __internal_irq_unmask_##width(unsigned int irq) \ -+{ \ ++{ \ + u32 val; \ + unsigned reg = (irq / 32) ^ (width/32 - 1); \ -+ unsigned bit = irq & 0x1f; \ ++ unsigned bit = irq & 0x1f; \ + \ + val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ -+ val |= (1 << bit); \ ++ val |= (1 << bit); \ + bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ } diff --git a/target/linux/brcm63xx/patches-3.14/321-MIPS-BCM63XX-append-irq-line-number-to-irq_-stat-mas.patch b/target/linux/brcm63xx/patches-3.10/321-MIPS-BCM63XX-append-irq-line-to-irq_-stat-mask.patch index e53f230df8..5b634883e1 100644 --- a/target/linux/brcm63xx/patches-3.14/321-MIPS-BCM63XX-append-irq-line-number-to-irq_-stat-mas.patch +++ b/target/linux/brcm63xx/patches-3.10/321-MIPS-BCM63XX-append-irq-line-to-irq_-stat-mask.patch @@ -1,10 +1,9 @@ -From 1003fb4a5ee9fcff518f20eefdee1a9bf500af7e Mon Sep 17 00:00:00 2001 +From 96ce0a9d195b2781d6f8d919dea8056b1c409703 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Thu, 25 Apr 2013 00:24:06 +0200 -Subject: [PATCH 32/53] MIPS: BCM63XX: append irq line number to - irq_{stat,mask}* +Subject: [PATCH 04/10] MIPS: BCM63XX: append irq line to irq_{stat,mask}* -The SMP capable irq controllers have two interupt output pins which are +The SMP capable irq controllers have two interrupt output pins which are controlled through separate registers, so make the variables arrays. Signed-off-by: Jonas Gorski <jogo@openwrt.org> @@ -50,11 +49,11 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> static void __internal_irq_unmask_##width(unsigned int irq) \ @@ -103,9 +104,9 @@ static void __internal_irq_unmask_##widt unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ + unsigned bit = irq & 0x1f; \ \ - val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ + val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ - val |= (1 << bit); \ + val |= (1 << bit); \ - bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ + bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ } diff --git a/target/linux/brcm63xx/patches-3.10/322-MIPS-BCM63XX-populate-irq_-stat-mask-_addr-for-secon.patch b/target/linux/brcm63xx/patches-3.10/322-MIPS-BCM63XX-populate-irq_-stat-mask-_addr-for-secon.patch index a21137fe50..5f94583433 100644 --- a/target/linux/brcm63xx/patches-3.10/322-MIPS-BCM63XX-populate-irq_-stat-mask-_addr-for-secon.patch +++ b/target/linux/brcm63xx/patches-3.10/322-MIPS-BCM63XX-populate-irq_-stat-mask-_addr-for-secon.patch @@ -1,8 +1,10 @@ -From 842f213228e6fc9fd6cca01ab5128623112aa7a9 Mon Sep 17 00:00:00 2001 +From ff61c72a7a260ab4c4abbddb72c3cd2aea5e0687 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Thu, 25 Apr 2013 00:31:29 +0200 -Subject: [PATCH 33/53] MIPS: BCM63XX: populate irq_{stat,mask}_addr for second - pin +Subject: [PATCH 05/10] MIPS: BCM63XX: populate irq_{stat,mask}_addr for second + cpu + +Set it to zero if there is no second set. Signed-off-by: Jonas Gorski <jogo@openwrt.org> --- diff --git a/target/linux/brcm63xx/patches-3.14/323-MIPS-BCM63XX-add-pin-argument-to-dispatch-internal.patch b/target/linux/brcm63xx/patches-3.10/323-MIPS-BCM63XX-add-cpu-argument-to-dispatch-internal.patch index 1b8921cbf2..395dc13d8d 100644 --- a/target/linux/brcm63xx/patches-3.14/323-MIPS-BCM63XX-add-pin-argument-to-dispatch-internal.patch +++ b/target/linux/brcm63xx/patches-3.10/323-MIPS-BCM63XX-add-cpu-argument-to-dispatch-internal.patch @@ -1,7 +1,7 @@ -From a33bb660c712447ba8b561109cda6734954a6efa Mon Sep 17 00:00:00 2001 +From 43ebef8162adfa7789cb915e60e46103965d7efd Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Fri, 26 Apr 2013 11:21:16 +0200 -Subject: [PATCH 34/53] MIPS: BCM63XX: add pin argument to dispatch internal +Subject: [PATCH 06/10] MIPS: BCM63XX: add cpu argument to dispatch internal Signed-off-by: Jonas Gorski <jogo@openwrt.org> --- @@ -18,7 +18,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> static u32 irq_stat_addr[2]; static u32 irq_mask_addr[2]; -static void (*dispatch_internal)(void); -+static void (*dispatch_internal)(int pin); ++static void (*dispatch_internal)(int cpu); static int is_ext_irq_cascaded; static unsigned int ext_irq_count; static unsigned int ext_irq_start, ext_irq_end; @@ -27,14 +27,14 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> #define BUILD_IPIC_INTERNAL(width) \ -void __dispatch_internal_##width(void) \ -+void __dispatch_internal_##width(int pin) \ ++void __dispatch_internal_##width(int cpu) \ { \ u32 pending[width / 32]; \ unsigned int src, tgt; \ bool irqs_pending = false; \ -- static int i; \ -+ static int i[2]; \ -+ int *next = &i[pin]; \ +- static unsigned int i; \ ++ static unsigned int i[2]; \ ++ unsigned int *next = &i[cpu]; \ \ /* read registers in reverse order */ \ for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ @@ -42,8 +42,8 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> \ - val = bcm_readl(irq_stat_addr[0] + src * sizeof(u32)); \ - val &= bcm_readl(irq_mask_addr[0] + src * sizeof(u32)); \ -+ val = bcm_readl(irq_stat_addr[pin] + src * sizeof(u32)); \ -+ val &= bcm_readl(irq_mask_addr[pin] + src * sizeof(u32)); \ ++ val = bcm_readl(irq_stat_addr[cpu] + src * sizeof(u32)); \ ++ val &= bcm_readl(irq_mask_addr[cpu] + src * sizeof(u32)); \ pending[--tgt] = val; \ \ if (val) \ @@ -51,8 +51,8 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> return; \ \ while (1) { \ -- int to_call = i; \ -+ int to_call = *next; \ +- unsigned int to_call = i; \ ++ unsigned int to_call = *next; \ \ - i = (i + 1) & (width - 1); \ + *next = (*next + 1) & (width - 1); \ diff --git a/target/linux/brcm63xx/patches-3.10/324-MIPS-BCM63XX-protect-irq-register-accesses.patch b/target/linux/brcm63xx/patches-3.10/324-MIPS-BCM63XX-protect-irq-register-accesses.patch index c38137dc81..18669a1aac 100644 --- a/target/linux/brcm63xx/patches-3.10/324-MIPS-BCM63XX-protect-irq-register-accesses.patch +++ b/target/linux/brcm63xx/patches-3.10/324-MIPS-BCM63XX-protect-irq-register-accesses.patch @@ -1,8 +1,12 @@ -From 85257b702e1d4c6dcc839c737833c42ca53bae93 Mon Sep 17 00:00:00 2001 +From 5e86f3988854c62c0788e4820caf722fec7c791b Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Sun, 21 Apr 2013 15:38:56 +0200 -Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses +Subject: [PATCH 07/10] MIPS: BCM63XX: protect irq register accesses +Since we will have the chance of accessing the registers concurrently, +protect any accesses through a spinlock. + +Signed-off-by: Jonas Gorski <jogo@openwrt.org> --- arch/mips/bcm63xx/irq.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) @@ -26,11 +30,11 @@ Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses + static u32 irq_stat_addr[2]; static u32 irq_mask_addr[2]; - static void (*dispatch_internal)(int pin); -@@ -62,8 +66,10 @@ void __dispatch_internal_##width(int pin + static void (*dispatch_internal)(int cpu); +@@ -62,8 +66,10 @@ void __dispatch_internal_##width(int cpu bool irqs_pending = false; \ - static int i[2]; \ - int *next = &i[pin]; \ + static unsigned int i[2]; \ + unsigned int *next = &i[cpu]; \ + unsigned long flags; \ \ /* read registers in reverse order */ \ @@ -38,7 +42,7 @@ Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ u32 val; \ \ -@@ -74,6 +80,7 @@ void __dispatch_internal_##width(int pin +@@ -74,6 +80,7 @@ void __dispatch_internal_##width(int cpu if (val) \ irqs_pending = true; \ } \ @@ -63,12 +67,12 @@ Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses @@ -105,10 +115,13 @@ static void __internal_irq_unmask_##widt u32 val; \ unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ + unsigned bit = irq & 0x1f; \ + unsigned long flags; \ \ + spin_lock_irqsave(&ipic_lock, flags); \ val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ - val |= (1 << bit); \ + val |= (1 << bit); \ bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ + spin_unlock_irqrestore(&ipic_lock, flags); \ } diff --git a/target/linux/brcm63xx/patches-3.10/325-MIPS-BCM63XX-wire-up-the-second-cpu-s-irq-line.patch b/target/linux/brcm63xx/patches-3.10/325-MIPS-BCM63XX-wire-up-the-second-cpu-s-irq-line.patch index 189965a971..6e8489078e 100644 --- a/target/linux/brcm63xx/patches-3.10/325-MIPS-BCM63XX-wire-up-the-second-cpu-s-irq-line.patch +++ b/target/linux/brcm63xx/patches-3.10/325-MIPS-BCM63XX-wire-up-the-second-cpu-s-irq-line.patch @@ -1,8 +1,9 @@ -From df6661d1b5c001eb91ce07f364fd5b6468fd6f99 Mon Sep 17 00:00:00 2001 +From 6e74b82aca08a5ecc4d2f0780254468659427e82 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Fri, 26 Apr 2013 12:03:15 +0200 -Subject: [PATCH 36/53] MIPS: BCM63XX: wire up the second cpu's irq line +Subject: [PATCH 08/10] MIPS: BCM63XX: wire up the second cpu's irq line +Signed-off-by: Jonas Gorski <jogo@openwrt.org> --- arch/mips/bcm63xx/irq.c | 44 +++++++++++++++++++++++++++++++++++++------- 1 file changed, 37 insertions(+), 7 deletions(-) @@ -32,13 +33,13 @@ Subject: [PATCH 36/53] MIPS: BCM63XX: wire up the second cpu's irq line \ @@ -116,11 +122,20 @@ static void __internal_irq_unmask_##widt unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ + unsigned bit = irq & 0x1f; \ unsigned long flags; \ + int cpu; \ \ spin_lock_irqsave(&ipic_lock, flags); \ - val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ -- val |= (1 << bit); \ +- val |= (1 << bit); \ - bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ + for_each_present_cpu(cpu) { \ + if (!irq_mask_addr[cpu]) \ @@ -46,7 +47,7 @@ Subject: [PATCH 36/53] MIPS: BCM63XX: wire up the second cpu's irq line + \ + val = bcm_readl(irq_mask_addr[cpu] + reg * sizeof(u32));\ + if (cpu_online(cpu)) \ -+ val |= (1 << bit); \ ++ val |= (1 << bit); \ + else \ + val &= ~(1 << bit); \ + bcm_writel(val, irq_mask_addr[cpu] + reg * sizeof(u32));\ diff --git a/target/linux/brcm63xx/patches-3.10/326-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch b/target/linux/brcm63xx/patches-3.10/326-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch index 468cbc34a6..fc07b4bb2c 100644 --- a/target/linux/brcm63xx/patches-3.10/326-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch +++ b/target/linux/brcm63xx/patches-3.10/326-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch @@ -1,7 +1,7 @@ -From b665117faa0dfde70689502fc420d72bbf8e6bd4 Mon Sep 17 00:00:00 2001 +From e23dc903cd69d32d407ea1b7310bc9a71e00d359 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Tue, 30 Apr 2013 11:26:53 +0200 -Subject: [PATCH 37/53] MIPS: BCM63XX: use irq_desc as argument for (un)mask +Subject: [PATCH 09/10] MIPS: BCM63XX: use irq_desc as argument for (un)mask In preparation for applying affinity, use the irq descriptor as the argument for (un)mask. @@ -24,7 +24,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> static inline u32 get_ext_irq_perf_reg(int irq) -@@ -96,9 +96,10 @@ void __dispatch_internal_##width(int pin +@@ -96,9 +96,10 @@ void __dispatch_internal_##width(int cpu } \ } \ \ @@ -42,11 +42,11 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> \ -static void __internal_irq_unmask_##width(unsigned int irq) \ +static void __internal_irq_unmask_##width(struct irq_data *d) \ - { \ + { \ u32 val; \ + unsigned irq = d->irq - IRQ_INTERNAL_BASE; \ unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ + unsigned bit = irq & 0x1f; \ unsigned long flags; \ @@ -182,12 +184,12 @@ asmlinkage void plat_irq_dispatch(void) */ diff --git a/target/linux/brcm63xx/patches-3.10/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch b/target/linux/brcm63xx/patches-3.10/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch index 9394e230ef..a625b2e67b 100644 --- a/target/linux/brcm63xx/patches-3.10/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch +++ b/target/linux/brcm63xx/patches-3.10/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch @@ -1,12 +1,16 @@ -From 9249f2f6a309e3f45c35d16decdcc5b2cadcadb8 Mon Sep 17 00:00:00 2001 +From 23493b47d8caaa59b18627a01bf443c3b50bb530 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Fri, 26 Apr 2013 12:06:03 +0200 -Subject: [PATCH 38/53] MIPS: BCM63XX: allow setting affinity for IPIC +Subject: [PATCH 10/10] MIPS: BCM63XX: allow setting affinity for IPIC + +Wire up the set_affinity call for the internal PIC if booting on +a cpu supporting it. +Affinity is kept to boot cpu as default. Signed-off-by: Jonas Gorski <jogo@openwrt.org> --- - arch/mips/bcm63xx/irq.c | 43 +++++++++++++++++++++++++++++++++++++------ - 1 file changed, 37 insertions(+), 6 deletions(-) + arch/mips/bcm63xx/irq.c | 46 ++++++++++++++++++++++++++++++++++++++++------ + 1 file changed, 40 insertions(+), 6 deletions(-) --- a/arch/mips/bcm63xx/irq.c +++ b/arch/mips/bcm63xx/irq.c @@ -27,8 +31,8 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> + const struct cpumask *m) +{ + bool enable = cpu_online(cpu); -+#ifdef CONFIG_SMP + ++#ifdef CONFIG_SMP + if (m) + enable &= cpu_isset(cpu, *m); + else if (irqd_affinity_was_set(d)) @@ -47,7 +51,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> -static void __internal_irq_unmask_##width(struct irq_data *d) \ +static void __internal_irq_unmask_##width(struct irq_data *d, \ + const struct cpumask *m) \ - { \ + { \ u32 val; \ unsigned irq = d->irq - IRQ_INTERNAL_BASE; \ @@ -132,7 +147,7 @@ static void __internal_irq_unmask_##widt @@ -56,7 +60,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> val = bcm_readl(irq_mask_addr[cpu] + reg * sizeof(u32));\ - if (cpu_online(cpu)) \ + if (enable_irq_for_cpu(cpu, d, m)) \ - val |= (1 << bit); \ + val |= (1 << bit); \ else \ val &= ~(1 << bit); \ @@ -189,7 +204,7 @@ static void bcm63xx_internal_irq_mask(st @@ -97,7 +101,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> static struct irq_chip bcm63xx_internal_irq_chip = { .name = "bcm63xx_ipic", .irq_mask = bcm63xx_internal_irq_mask, -@@ -523,7 +551,10 @@ void __init arch_init_irq(void) +@@ -523,7 +551,13 @@ void __init arch_init_irq(void) setup_irq(MIPS_CPU_IRQ_BASE + 2, &cpu_ip2_cascade_action); #ifdef CONFIG_SMP @@ -106,6 +110,9 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> setup_irq(MIPS_CPU_IRQ_BASE + 3, &cpu_ip3_cascade_action); + bcm63xx_internal_irq_chip.irq_set_affinity = + bcm63xx_internal_set_affinity; ++ ++ cpumask_clear(irq_default_affinity); ++ cpumask_set_cpu(smp_processor_id(), irq_default_affinity); + } #endif } diff --git a/target/linux/brcm63xx/patches-3.14/318-MIPS-BCM63XX-rename-__dispatch_internal-to-__dispatc.patch b/target/linux/brcm63xx/patches-3.14/318-MIPS-BCM63XX-add-width-to-__dispatch_internal.patch index f4d98c3454..dc8f8b3c1f 100644 --- a/target/linux/brcm63xx/patches-3.14/318-MIPS-BCM63XX-rename-__dispatch_internal-to-__dispatc.patch +++ b/target/linux/brcm63xx/patches-3.14/318-MIPS-BCM63XX-add-width-to-__dispatch_internal.patch @@ -1,8 +1,7 @@ -From 653dcc09407a695efb203337c6f72515d4c4ee43 Mon Sep 17 00:00:00 2001 +From a2015bfad293a7eb79519beb60381cb996c6e298 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Thu, 21 Mar 2013 17:05:15 +0100 -Subject: [PATCH 29/53] MIPS: BCM63XX: rename __dispatch_internal to - __dispatch_internal_32 +Subject: [PATCH 01/10] MIPS: BCM63XX: add width to __dispatch_internal Make it follow the same naming convention as the other functions. diff --git a/target/linux/brcm63xx/patches-3.14/319-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch b/target/linux/brcm63xx/patches-3.14/319-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch index fb579396b2..c9dc4cea46 100644 --- a/target/linux/brcm63xx/patches-3.14/319-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch +++ b/target/linux/brcm63xx/patches-3.14/319-MIPS-BCM63XX-move-bcm63xx_init_irq-down.patch @@ -1,9 +1,11 @@ -From c28c639b031385ecf965eecf3bfb532e88044c89 Mon Sep 17 00:00:00 2001 +From 6e79c6dd02aa56e37eb071797f0eb5e3fb588cba Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Sun, 15 Dec 2013 20:52:53 +0100 -Subject: [PATCH 30/53] MIPS: BCM63XX: move bcm63xx_init_irq down +Subject: [PATCH 02/10] MIPS: BCM63XX: move bcm63xx_init_irq down Allows up to drop the prototypes from the top. + +Signed-off-by: Jonas Gorski <jogo@openwrt.org> --- arch/mips/bcm63xx/irq.c | 190 +++++++++++++++++++++++------------------------- 1 file changed, 92 insertions(+), 98 deletions(-) diff --git a/target/linux/brcm63xx/patches-3.14/320-MIPS-BCM63XX-replace-irq-dispatch-code-with-a-generi.patch b/target/linux/brcm63xx/patches-3.14/320-MIPS-BCM63XX-replace-irq-dispatch-code-with-a-generi.patch index f0311ce90c..021d0d9537 100644 --- a/target/linux/brcm63xx/patches-3.14/320-MIPS-BCM63XX-replace-irq-dispatch-code-with-a-generi.patch +++ b/target/linux/brcm63xx/patches-3.14/320-MIPS-BCM63XX-replace-irq-dispatch-code-with-a-generi.patch @@ -1,15 +1,22 @@ -From 01bf26c51b427e24ac69f604d33f7d9360a9e470 Mon Sep 17 00:00:00 2001 +From 39b46ed1c9fe71890566e129d9ac5feb8421b3b4 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Thu, 18 Apr 2013 21:14:49 +0200 -Subject: [PATCH 31/53] MIPS: BCM63XX: replace irq dispatch code with a generic +Subject: [PATCH 03/10] MIPS: BCM63XX: replace irq dispatch code with a generic version -The generic version uses a variable length of u32 registers of u32/u64. -This allows easier support for longer registers without having to rewrite -verything. +The generic version uses a variable length of u32 registers instead of u32/u64. +This allows easier support for "wider" registers without having to rewrite +everything. -This "generic" version is not slower than the old version in the best case -(= i == next set bit), and twice as fast in the worst case in 64 bits. +This "generic" version is as fast as the old version in the best case +(i == next set bit), and twice as fast in the worst case in 64 bits. + +Using a macro was chosen over a (forced) inline version because gcc generated +more compact code with the macro. + +The change from (signed) int to unsigned int for i and to_call was intentional +as the value can be only between 0 and (width - 1) anyway, and allowed gcc to +optimise the code a bit further. Signed-off-by: Jonas Gorski <jogo@openwrt.org> --- @@ -47,7 +54,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> + u32 pending[width / 32]; \ + unsigned int src, tgt; \ + bool irqs_pending = false; \ -+ static int i; \ ++ static unsigned int i; \ + \ + /* read registers in reverse order */ \ + for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ @@ -65,7 +72,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> + return; \ + \ + while (1) { \ -+ int to_call = i; \ ++ unsigned int to_call = i; \ + \ + i = (i + 1) & (width - 1); \ + if (pending[to_call / 32] & (1 << (to_call & 0x1f))) { \ @@ -87,13 +94,13 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> +} \ + \ +static void __internal_irq_unmask_##width(unsigned int irq) \ -+{ \ ++{ \ + u32 val; \ + unsigned reg = (irq / 32) ^ (width/32 - 1); \ -+ unsigned bit = irq & 0x1f; \ ++ unsigned bit = irq & 0x1f; \ + \ + val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ -+ val |= (1 << bit); \ ++ val |= (1 << bit); \ + bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ } diff --git a/target/linux/brcm63xx/patches-3.10/321-MIPS-BCM63XX-append-irq-line-number-to-irq_-stat-mas.patch b/target/linux/brcm63xx/patches-3.14/321-MIPS-BCM63XX-append-irq-line-to-irq_-stat-mask.patch index e53f230df8..5b634883e1 100644 --- a/target/linux/brcm63xx/patches-3.10/321-MIPS-BCM63XX-append-irq-line-number-to-irq_-stat-mas.patch +++ b/target/linux/brcm63xx/patches-3.14/321-MIPS-BCM63XX-append-irq-line-to-irq_-stat-mask.patch @@ -1,10 +1,9 @@ -From 1003fb4a5ee9fcff518f20eefdee1a9bf500af7e Mon Sep 17 00:00:00 2001 +From 96ce0a9d195b2781d6f8d919dea8056b1c409703 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Thu, 25 Apr 2013 00:24:06 +0200 -Subject: [PATCH 32/53] MIPS: BCM63XX: append irq line number to - irq_{stat,mask}* +Subject: [PATCH 04/10] MIPS: BCM63XX: append irq line to irq_{stat,mask}* -The SMP capable irq controllers have two interupt output pins which are +The SMP capable irq controllers have two interrupt output pins which are controlled through separate registers, so make the variables arrays. Signed-off-by: Jonas Gorski <jogo@openwrt.org> @@ -50,11 +49,11 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> static void __internal_irq_unmask_##width(unsigned int irq) \ @@ -103,9 +104,9 @@ static void __internal_irq_unmask_##widt unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ + unsigned bit = irq & 0x1f; \ \ - val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ + val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ - val |= (1 << bit); \ + val |= (1 << bit); \ - bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ + bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ } diff --git a/target/linux/brcm63xx/patches-3.14/322-MIPS-BCM63XX-populate-irq_-stat-mask-_addr-for-secon.patch b/target/linux/brcm63xx/patches-3.14/322-MIPS-BCM63XX-populate-irq_-stat-mask-_addr-for-secon.patch index a21137fe50..5f94583433 100644 --- a/target/linux/brcm63xx/patches-3.14/322-MIPS-BCM63XX-populate-irq_-stat-mask-_addr-for-secon.patch +++ b/target/linux/brcm63xx/patches-3.14/322-MIPS-BCM63XX-populate-irq_-stat-mask-_addr-for-secon.patch @@ -1,8 +1,10 @@ -From 842f213228e6fc9fd6cca01ab5128623112aa7a9 Mon Sep 17 00:00:00 2001 +From ff61c72a7a260ab4c4abbddb72c3cd2aea5e0687 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Thu, 25 Apr 2013 00:31:29 +0200 -Subject: [PATCH 33/53] MIPS: BCM63XX: populate irq_{stat,mask}_addr for second - pin +Subject: [PATCH 05/10] MIPS: BCM63XX: populate irq_{stat,mask}_addr for second + cpu + +Set it to zero if there is no second set. Signed-off-by: Jonas Gorski <jogo@openwrt.org> --- diff --git a/target/linux/brcm63xx/patches-3.10/323-MIPS-BCM63XX-add-pin-argument-to-dispatch-internal.patch b/target/linux/brcm63xx/patches-3.14/323-MIPS-BCM63XX-add-cpu-argument-to-dispatch-internal.patch index 1b8921cbf2..395dc13d8d 100644 --- a/target/linux/brcm63xx/patches-3.10/323-MIPS-BCM63XX-add-pin-argument-to-dispatch-internal.patch +++ b/target/linux/brcm63xx/patches-3.14/323-MIPS-BCM63XX-add-cpu-argument-to-dispatch-internal.patch @@ -1,7 +1,7 @@ -From a33bb660c712447ba8b561109cda6734954a6efa Mon Sep 17 00:00:00 2001 +From 43ebef8162adfa7789cb915e60e46103965d7efd Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Fri, 26 Apr 2013 11:21:16 +0200 -Subject: [PATCH 34/53] MIPS: BCM63XX: add pin argument to dispatch internal +Subject: [PATCH 06/10] MIPS: BCM63XX: add cpu argument to dispatch internal Signed-off-by: Jonas Gorski <jogo@openwrt.org> --- @@ -18,7 +18,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> static u32 irq_stat_addr[2]; static u32 irq_mask_addr[2]; -static void (*dispatch_internal)(void); -+static void (*dispatch_internal)(int pin); ++static void (*dispatch_internal)(int cpu); static int is_ext_irq_cascaded; static unsigned int ext_irq_count; static unsigned int ext_irq_start, ext_irq_end; @@ -27,14 +27,14 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> #define BUILD_IPIC_INTERNAL(width) \ -void __dispatch_internal_##width(void) \ -+void __dispatch_internal_##width(int pin) \ ++void __dispatch_internal_##width(int cpu) \ { \ u32 pending[width / 32]; \ unsigned int src, tgt; \ bool irqs_pending = false; \ -- static int i; \ -+ static int i[2]; \ -+ int *next = &i[pin]; \ +- static unsigned int i; \ ++ static unsigned int i[2]; \ ++ unsigned int *next = &i[cpu]; \ \ /* read registers in reverse order */ \ for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ @@ -42,8 +42,8 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> \ - val = bcm_readl(irq_stat_addr[0] + src * sizeof(u32)); \ - val &= bcm_readl(irq_mask_addr[0] + src * sizeof(u32)); \ -+ val = bcm_readl(irq_stat_addr[pin] + src * sizeof(u32)); \ -+ val &= bcm_readl(irq_mask_addr[pin] + src * sizeof(u32)); \ ++ val = bcm_readl(irq_stat_addr[cpu] + src * sizeof(u32)); \ ++ val &= bcm_readl(irq_mask_addr[cpu] + src * sizeof(u32)); \ pending[--tgt] = val; \ \ if (val) \ @@ -51,8 +51,8 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> return; \ \ while (1) { \ -- int to_call = i; \ -+ int to_call = *next; \ +- unsigned int to_call = i; \ ++ unsigned int to_call = *next; \ \ - i = (i + 1) & (width - 1); \ + *next = (*next + 1) & (width - 1); \ diff --git a/target/linux/brcm63xx/patches-3.14/324-MIPS-BCM63XX-protect-irq-register-accesses.patch b/target/linux/brcm63xx/patches-3.14/324-MIPS-BCM63XX-protect-irq-register-accesses.patch index c38137dc81..18669a1aac 100644 --- a/target/linux/brcm63xx/patches-3.14/324-MIPS-BCM63XX-protect-irq-register-accesses.patch +++ b/target/linux/brcm63xx/patches-3.14/324-MIPS-BCM63XX-protect-irq-register-accesses.patch @@ -1,8 +1,12 @@ -From 85257b702e1d4c6dcc839c737833c42ca53bae93 Mon Sep 17 00:00:00 2001 +From 5e86f3988854c62c0788e4820caf722fec7c791b Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Sun, 21 Apr 2013 15:38:56 +0200 -Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses +Subject: [PATCH 07/10] MIPS: BCM63XX: protect irq register accesses +Since we will have the chance of accessing the registers concurrently, +protect any accesses through a spinlock. + +Signed-off-by: Jonas Gorski <jogo@openwrt.org> --- arch/mips/bcm63xx/irq.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) @@ -26,11 +30,11 @@ Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses + static u32 irq_stat_addr[2]; static u32 irq_mask_addr[2]; - static void (*dispatch_internal)(int pin); -@@ -62,8 +66,10 @@ void __dispatch_internal_##width(int pin + static void (*dispatch_internal)(int cpu); +@@ -62,8 +66,10 @@ void __dispatch_internal_##width(int cpu bool irqs_pending = false; \ - static int i[2]; \ - int *next = &i[pin]; \ + static unsigned int i[2]; \ + unsigned int *next = &i[cpu]; \ + unsigned long flags; \ \ /* read registers in reverse order */ \ @@ -38,7 +42,7 @@ Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses for (src = 0, tgt = (width / 32); src < (width / 32); src++) { \ u32 val; \ \ -@@ -74,6 +80,7 @@ void __dispatch_internal_##width(int pin +@@ -74,6 +80,7 @@ void __dispatch_internal_##width(int cpu if (val) \ irqs_pending = true; \ } \ @@ -63,12 +67,12 @@ Subject: [PATCH 35/53] MIPS: BCM63XX: protect irq register accesses @@ -105,10 +115,13 @@ static void __internal_irq_unmask_##widt u32 val; \ unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ + unsigned bit = irq & 0x1f; \ + unsigned long flags; \ \ + spin_lock_irqsave(&ipic_lock, flags); \ val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ - val |= (1 << bit); \ + val |= (1 << bit); \ bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ + spin_unlock_irqrestore(&ipic_lock, flags); \ } diff --git a/target/linux/brcm63xx/patches-3.14/325-MIPS-BCM63XX-wire-up-the-second-cpu-s-irq-line.patch b/target/linux/brcm63xx/patches-3.14/325-MIPS-BCM63XX-wire-up-the-second-cpu-s-irq-line.patch index 189965a971..6e8489078e 100644 --- a/target/linux/brcm63xx/patches-3.14/325-MIPS-BCM63XX-wire-up-the-second-cpu-s-irq-line.patch +++ b/target/linux/brcm63xx/patches-3.14/325-MIPS-BCM63XX-wire-up-the-second-cpu-s-irq-line.patch @@ -1,8 +1,9 @@ -From df6661d1b5c001eb91ce07f364fd5b6468fd6f99 Mon Sep 17 00:00:00 2001 +From 6e74b82aca08a5ecc4d2f0780254468659427e82 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Fri, 26 Apr 2013 12:03:15 +0200 -Subject: [PATCH 36/53] MIPS: BCM63XX: wire up the second cpu's irq line +Subject: [PATCH 08/10] MIPS: BCM63XX: wire up the second cpu's irq line +Signed-off-by: Jonas Gorski <jogo@openwrt.org> --- arch/mips/bcm63xx/irq.c | 44 +++++++++++++++++++++++++++++++++++++------- 1 file changed, 37 insertions(+), 7 deletions(-) @@ -32,13 +33,13 @@ Subject: [PATCH 36/53] MIPS: BCM63XX: wire up the second cpu's irq line \ @@ -116,11 +122,20 @@ static void __internal_irq_unmask_##widt unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ + unsigned bit = irq & 0x1f; \ unsigned long flags; \ + int cpu; \ \ spin_lock_irqsave(&ipic_lock, flags); \ - val = bcm_readl(irq_mask_addr[0] + reg * sizeof(u32)); \ -- val |= (1 << bit); \ +- val |= (1 << bit); \ - bcm_writel(val, irq_mask_addr[0] + reg * sizeof(u32)); \ + for_each_present_cpu(cpu) { \ + if (!irq_mask_addr[cpu]) \ @@ -46,7 +47,7 @@ Subject: [PATCH 36/53] MIPS: BCM63XX: wire up the second cpu's irq line + \ + val = bcm_readl(irq_mask_addr[cpu] + reg * sizeof(u32));\ + if (cpu_online(cpu)) \ -+ val |= (1 << bit); \ ++ val |= (1 << bit); \ + else \ + val &= ~(1 << bit); \ + bcm_writel(val, irq_mask_addr[cpu] + reg * sizeof(u32));\ diff --git a/target/linux/brcm63xx/patches-3.14/326-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch b/target/linux/brcm63xx/patches-3.14/326-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch index 468cbc34a6..fc07b4bb2c 100644 --- a/target/linux/brcm63xx/patches-3.14/326-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch +++ b/target/linux/brcm63xx/patches-3.14/326-MIPS-BCM63XX-use-irq_desc-as-argument-for-un-mask.patch @@ -1,7 +1,7 @@ -From b665117faa0dfde70689502fc420d72bbf8e6bd4 Mon Sep 17 00:00:00 2001 +From e23dc903cd69d32d407ea1b7310bc9a71e00d359 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Tue, 30 Apr 2013 11:26:53 +0200 -Subject: [PATCH 37/53] MIPS: BCM63XX: use irq_desc as argument for (un)mask +Subject: [PATCH 09/10] MIPS: BCM63XX: use irq_desc as argument for (un)mask In preparation for applying affinity, use the irq descriptor as the argument for (un)mask. @@ -24,7 +24,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> static inline u32 get_ext_irq_perf_reg(int irq) -@@ -96,9 +96,10 @@ void __dispatch_internal_##width(int pin +@@ -96,9 +96,10 @@ void __dispatch_internal_##width(int cpu } \ } \ \ @@ -42,11 +42,11 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> \ -static void __internal_irq_unmask_##width(unsigned int irq) \ +static void __internal_irq_unmask_##width(struct irq_data *d) \ - { \ + { \ u32 val; \ + unsigned irq = d->irq - IRQ_INTERNAL_BASE; \ unsigned reg = (irq / 32) ^ (width/32 - 1); \ - unsigned bit = irq & 0x1f; \ + unsigned bit = irq & 0x1f; \ unsigned long flags; \ @@ -182,12 +184,12 @@ asmlinkage void plat_irq_dispatch(void) */ diff --git a/target/linux/brcm63xx/patches-3.14/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch b/target/linux/brcm63xx/patches-3.14/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch index 9394e230ef..a625b2e67b 100644 --- a/target/linux/brcm63xx/patches-3.14/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch +++ b/target/linux/brcm63xx/patches-3.14/327-MIPS-BCM63XX-allow-setting-affinity-for-IPIC.patch @@ -1,12 +1,16 @@ -From 9249f2f6a309e3f45c35d16decdcc5b2cadcadb8 Mon Sep 17 00:00:00 2001 +From 23493b47d8caaa59b18627a01bf443c3b50bb530 Mon Sep 17 00:00:00 2001 From: Jonas Gorski <jogo@openwrt.org> Date: Fri, 26 Apr 2013 12:06:03 +0200 -Subject: [PATCH 38/53] MIPS: BCM63XX: allow setting affinity for IPIC +Subject: [PATCH 10/10] MIPS: BCM63XX: allow setting affinity for IPIC + +Wire up the set_affinity call for the internal PIC if booting on +a cpu supporting it. +Affinity is kept to boot cpu as default. Signed-off-by: Jonas Gorski <jogo@openwrt.org> --- - arch/mips/bcm63xx/irq.c | 43 +++++++++++++++++++++++++++++++++++++------ - 1 file changed, 37 insertions(+), 6 deletions(-) + arch/mips/bcm63xx/irq.c | 46 ++++++++++++++++++++++++++++++++++++++++------ + 1 file changed, 40 insertions(+), 6 deletions(-) --- a/arch/mips/bcm63xx/irq.c +++ b/arch/mips/bcm63xx/irq.c @@ -27,8 +31,8 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> + const struct cpumask *m) +{ + bool enable = cpu_online(cpu); -+#ifdef CONFIG_SMP + ++#ifdef CONFIG_SMP + if (m) + enable &= cpu_isset(cpu, *m); + else if (irqd_affinity_was_set(d)) @@ -47,7 +51,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> -static void __internal_irq_unmask_##width(struct irq_data *d) \ +static void __internal_irq_unmask_##width(struct irq_data *d, \ + const struct cpumask *m) \ - { \ + { \ u32 val; \ unsigned irq = d->irq - IRQ_INTERNAL_BASE; \ @@ -132,7 +147,7 @@ static void __internal_irq_unmask_##widt @@ -56,7 +60,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> val = bcm_readl(irq_mask_addr[cpu] + reg * sizeof(u32));\ - if (cpu_online(cpu)) \ + if (enable_irq_for_cpu(cpu, d, m)) \ - val |= (1 << bit); \ + val |= (1 << bit); \ else \ val &= ~(1 << bit); \ @@ -189,7 +204,7 @@ static void bcm63xx_internal_irq_mask(st @@ -97,7 +101,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> static struct irq_chip bcm63xx_internal_irq_chip = { .name = "bcm63xx_ipic", .irq_mask = bcm63xx_internal_irq_mask, -@@ -523,7 +551,10 @@ void __init arch_init_irq(void) +@@ -523,7 +551,13 @@ void __init arch_init_irq(void) setup_irq(MIPS_CPU_IRQ_BASE + 2, &cpu_ip2_cascade_action); #ifdef CONFIG_SMP @@ -106,6 +110,9 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org> setup_irq(MIPS_CPU_IRQ_BASE + 3, &cpu_ip3_cascade_action); + bcm63xx_internal_irq_chip.irq_set_affinity = + bcm63xx_internal_set_affinity; ++ ++ cpumask_clear(irq_default_affinity); ++ cpumask_set_cpu(smp_processor_id(), irq_default_affinity); + } #endif } |