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fix bug of GIC crash

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This commit is contained in:
yangkai
2011-07-22 09:45:07 +08:00
parent 4edfc209d7
commit 2a95f8edcc
1 changed files with 3 additions and 0 deletions
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3
arch/arm/common/gic.c
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@@ -87,6 +87,7 @@ static void gic_ack_irq(unsigned int irq)
spin_lock(&irq_controller_lock);
writel(mask, gic_dist_base(irq) + GIC_DIST_ENABLE_CLEAR + (gic_irq(irq) / 32) * 4);
writel(gic_irq(irq), gic_cpu_base(irq) + GIC_CPU_EOI);
dsb();
spin_unlock(&irq_controller_lock);
}
@@ -96,6 +97,7 @@ static void gic_mask_irq(unsigned int irq)
spin_lock(&irq_controller_lock);
writel(mask, gic_dist_base(irq) + GIC_DIST_ENABLE_CLEAR + (gic_irq(irq) / 32) * 4);
dsb();
spin_unlock(&irq_controller_lock);
}
@@ -105,6 +107,7 @@ static void gic_unmask_irq(unsigned int irq)
spin_lock(&irq_controller_lock);
writel(mask, gic_dist_base(irq) + GIC_DIST_ENABLE_SET + (gic_irq(irq) / 32) * 4);
dsb();
spin_unlock(&irq_controller_lock);
}