linux-kernel - [PATCH v2 16/28] ARM: tegra: irq: Implement retrigger

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Message-Id: <1295834493-5019-17-git-send-email-ccross@android.com>
Date:	Sun, 23 Jan 2011 18:01:21 -0800
From:	Colin Cross <ccross@...roid.com>
To:	linux-tegra@...r.kernel.org
Cc:	linux-arm-kernel@...ts.infradead.org, olof@...om.net,
	konkers@...roid.com, Colin Cross <ccross@...roid.com>,
	Russell King <linux@....linux.org.uk>,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 16/28] ARM: tegra: irq: Implement retrigger

Signed-off-by: Colin Cross <ccross@...roid.com>
---
 arch/arm/mach-tegra/irq.c |   15 ++++++++++++++-
 1 files changed, 14 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c
index 12c62a8..2bd5be5 100644
--- a/arch/arm/mach-tegra/irq.c
+++ b/arch/arm/mach-tegra/irq.c
@@ -208,9 +208,21 @@ static int tegra_set_type(struct irq_data *d, unsigned int flow_type)
 	return 0;
 }
 
+static void tegra_ack(struct irq_data *d)
+{
+	tegra_legacy_force_irq_clr(d->irq);
+	gic_ack_irq(d);
+}
+
+static int tegra_retrigger(struct irq_data *d)
+{
+	tegra_legacy_force_irq_set(d->irq);
+	return 1;
+}
+
 static struct irq_chip tegra_irq = {
 	.name			= "PPI",
-	.irq_ack		= gic_ack_irq,
+	.irq_ack		= tegra_ack,
 	.irq_mask		= tegra_mask,
 	.irq_unmask		= tegra_unmask,
 	.irq_set_wake		= tegra_set_wake,
@@ -218,6 +230,7 @@ static struct irq_chip tegra_irq = {
 #ifdef CONFIG_SMP
 	.irq_set_affinity	= gic_set_cpu,
 #endif
+	.irq_retrigger		= tegra_retrigger,
 };
 
 void __init tegra_init_irq(void)
-- 
1.7.3.1

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