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ARM: tegra: irq: Implement retrigger 

Signed-off-by: Colin Cross <ccross@android.com>
This commit is contained in:
Colin Cross 2011-02-09 22:17:17 -08:00
parent 3524b70ef3
commit 26d902c0c6
1 changed files with 16 additions and 1 deletions
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17
arch/arm/mach-tegra/irq.c
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@ -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