ARM: tegra: irq: Add tegra_eoi

Implement irq_eoi to allow the GIC irq chip flow controller to
be changed to fasteoi.

Signed-off-by: Colin Cross <ccross@android.com>

diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c
index da1749108c7d8e631a7413227affb550a9f4924e..4956c3cea73172923cff3f2166eff9711a727e1c 100644 (file)
--- a/arch/arm/mach-tegra/irq.c
+++ b/arch/arm/mach-tegra/irq.c
@@ -95,6 +95,14 @@ static void tegra_ack(struct irq_data *d)
        tegra_irq_write_mask(d->irq, ICTLR_CPU_IEP_FIR_CLR);
 }
 
+static void tegra_eoi(struct irq_data *d)
+{
+       if (d->irq < FIRST_LEGACY_IRQ)
+               return;
+
+       tegra_irq_write_mask(d->irq, ICTLR_CPU_IEP_FIR_CLR);
+}
+
 static int tegra_retrigger(struct irq_data *d)
 {
        if (d->irq < FIRST_LEGACY_IRQ)
@@ -116,6 +124,7 @@ void __init tegra_init_irq(void)
        }
 
        gic_arch_extn.irq_ack = tegra_ack;
+       gic_arch_extn.irq_eoi = tegra_eoi;
        gic_arch_extn.irq_mask = tegra_mask;
        gic_arch_extn.irq_unmask = tegra_unmask;
        gic_arch_extn.irq_retrigger = tegra_retrigger;