diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.8/321-MIPS-BCM63XX-add-cpumask-argument-to-unmask.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.8/321-MIPS-BCM63XX-add-cpumask-argument-to-unmask.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.8/321-MIPS-BCM63XX-add-cpumask-argument-to-unmask.patch b/target/linux/brcm63xx/patches-3.8/321-MIPS-BCM63XX-add-cpumask-argument-to-unmask.patch new file mode 100644 index 0000000000..1047de39eb --- /dev/null +++ b/target/linux/brcm63xx/patches-3.8/321-MIPS-BCM63XX-add-cpumask-argument-to-unmask.patch @@ -0,0 +1,68 @@ +From 8679976d2ec08db4e4a14ecdd1ee022b70e51fc6 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jogo@openwrt.org> +Date: Tue, 30 Apr 2013 11:26:53 +0200 +Subject: [PATCH 12/13] MIPS: BCM63XX: add cpumask argument to unmask + +Allow selective unmasking of IPIC irqs. + +Signed-off-by: Jonas Gorski <jogo@openwrt.org> +--- + arch/mips/bcm63xx/irq.c | 19 +++++++++++++------ + 1 file changed, 13 insertions(+), 6 deletions(-) + +--- a/arch/mips/bcm63xx/irq.c ++++ b/arch/mips/bcm63xx/irq.c +@@ -24,8 +24,10 @@ static void __dispatch_internal_32(int c + static void __dispatch_internal_64(int cpu) __maybe_unused; + static void __internal_irq_mask_32(unsigned int irq) __maybe_unused; + static void __internal_irq_mask_64(unsigned int irq) __maybe_unused; +-static void __internal_irq_unmask_32(unsigned int irq) __maybe_unused; +-static void __internal_irq_unmask_64(unsigned int irq) __maybe_unused; ++static void __internal_irq_unmask_32(unsigned int irq, ++ const struct cpumask *dest) __maybe_unused; ++static void __internal_irq_unmask_64(unsigned int irq, ++ const struct cpumask *dest) __maybe_unused; + + static DEFINE_SPINLOCK(ipic_lock); + static DEFINE_SPINLOCK(epic_lock); +@@ -150,7 +152,8 @@ static unsigned int ext_irq_count; + static unsigned int ext_irq_start, ext_irq_end; + static unsigned int ext_irq_cfg_reg1, ext_irq_cfg_reg2; + static void (*internal_irq_mask)(unsigned int irq); +-static void (*internal_irq_unmask)(unsigned int irq); ++static void (*internal_irq_unmask)(unsigned int irq, ++ const struct cpumask *dest); + + static void bcm63xx_init_irq(void) + { +@@ -340,7 +343,8 @@ static void __internal_irq_mask_##width( + } \ + } \ + \ +-static void __internal_irq_unmask_##width(unsigned int irq) \ ++static void __internal_irq_unmask_##width(unsigned int irq, \ ++ const struct cpumask *dest) \ + { \ + u32 val; \ + unsigned reg = (irq / 32) ^ (width/32 - 1); \ +@@ -351,7 +355,10 @@ static void __internal_irq_unmask_##widt + u32 irq_mask_addr = get_irq_mask_addr(cpu); \ + \ + val = bcm_readl(irq_mask_addr + reg * sizeof(u32)); \ +- val |= (1 << bit); \ ++ if (cpu_isset(cpu, *dest)) \ ++ val |= (1 << bit); \ ++ else \ ++ val &= ~(1 << bit); \ + bcm_writel(val, irq_mask_addr + reg * sizeof(u32)); \ + } \ + } +@@ -413,7 +420,7 @@ static void bcm63xx_internal_irq_unmask( + unsigned long flags; + + spin_lock_irqsave(&ipic_lock, flags); +- internal_irq_unmask(d->irq - IRQ_INTERNAL_BASE); ++ internal_irq_unmask(d->irq - IRQ_INTERNAL_BASE, cpu_online_mask); + spin_unlock_irqrestore(&ipic_lock, flags); + } + |