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