From: Colin Cross <ccross@android.com>
Date: Sun, 1 May 2011 22:27:34 +0000 (-0700)
Subject: ARM: tegra: irq: Add tegra_eoi
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=4bd66cfde5c3b6eced0da483c6357ae46d3adbb5;p=openwrt%2Fstaging%2Fblogic.git

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 da1749108c7d..4956c3cea731 100644
--- 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;