xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge branch 'devel-stable' into devel

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This commit is contained in:
Russell King
2010-10-19 22:06:36 +01:00
parent a0a55682b8 79a94c3538
commit 809b4e00ba
685 changed files with 21768 additions and 5928 deletions
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14
arch/arm/common/gic.c
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@@ -67,25 +67,11 @@ static inline unsigned int gic_irq(unsigned int irq)
/*
* Routines to acknowledge, disable and enable interrupts
*
* Linux assumes that when we're done with an interrupt we need to
* unmask it, in the same way we need to unmask an interrupt when
* we first enable it.
*
* The GIC has a separate notion of "end of interrupt" to re-enable
* an interrupt after handling, in order to support hardware
* prioritisation.
*
* We can make the GIC behave in the way that Linux expects by making
* our "acknowledge" routine disable the interrupt, then mark it as
* complete.
*/
static void gic_ack_irq(unsigned int irq)
{
u32 mask = 1 << (irq % 32);
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);
spin_unlock(&irq_controller_lock);
}