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Commit 26d902c0 authored by Colin Cross's avatar Colin Cross
Browse files

ARM: tegra: irq: Implement retrigger 



Signed-off-by: default avatarColin Cross <ccross@android.com>
parent 3524b70e

arch/arm/mach-tegra/irq.c

+16 −1
Original line number Diff line number Diff line
@@ -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