[PATCH v4 09/15] ARM: tegra: irq: Implement retrigger
From: Colin Cross <hidden>
Date: 2011-02-10 06:46:08
Also in:
linux-arm-kernel, lkml
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
Signed-off-by: Colin Cross <redacted> --- arch/arm/mach-tegra/irq.c | 17 ++++++++++++++++- 1 files changed, 16 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c
index 7fb7349..dfbc219 100644
--- a/arch/arm/mach-tegra/irq.c
+++ b/arch/arm/mach-tegra/irq.c@@ -48,6 +48,7 @@ static u32 tegra_lp0_wake_level_any; static void (*tegra_gic_mask_irq)(struct irq_data *d); static void (*tegra_gic_unmask_irq)(struct irq_data *d); +static void (*tegra_gic_ack_irq)(struct irq_data *d); /* ensures that sufficient time is passed for a register write to * serialize into the 32KHz domain */
@@ -112,10 +113,24 @@ static void tegra_unmask(struct irq_data *d) tegra_legacy_unmask_irq(d->irq); } +static void tegra_ack(struct irq_data *d) +{ + tegra_legacy_force_irq_clr(d->irq); + tegra_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 = tegra_ack, .irq_mask = tegra_mask, .irq_unmask = tegra_unmask, + .irq_retrigger = tegra_retrigger, }; void __init tegra_init_irq(void)
@@ -132,7 +147,7 @@ void __init tegra_init_irq(void) gic = get_irq_chip(29); tegra_gic_unmask_irq = gic->irq_unmask; tegra_gic_mask_irq = gic->irq_mask; - tegra_irq.irq_ack = gic->irq_ack; + tegra_gic_ack_irq = gic->irq_ack; #ifdef CONFIG_SMP tegra_irq.irq_set_affinity = gic->irq_set_affinity; #endif
--
1.7.3.1