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Diffstat (limited to 'arch/arm/common/gic.c')
-rw-r--r--arch/arm/common/gic.c32
1 files changed, 16 insertions, 16 deletions
diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index f70ec7d..e9c2ff8 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -49,7 +49,7 @@ struct gic_chip_data {
* Default make them NULL.
*/
struct irq_chip gic_arch_extn = {
- .irq_ack = NULL,
+ .irq_eoi = NULL,
.irq_mask = NULL,
.irq_unmask = NULL,
.irq_retrigger = NULL,
@@ -84,15 +84,6 @@ static inline unsigned int gic_irq(struct irq_data *d)
/*
* Routines to acknowledge, disable and enable interrupts
*/
-static void gic_ack_irq(struct irq_data *d)
-{
- spin_lock(&irq_controller_lock);
- if (gic_arch_extn.irq_ack)
- gic_arch_extn.irq_ack(d);
- writel(gic_irq(d), gic_cpu_base(d) + GIC_CPU_EOI);
- spin_unlock(&irq_controller_lock);
-}
-
static void gic_mask_irq(struct irq_data *d)
{
u32 mask = 1 << (d->irq % 32);
@@ -115,6 +106,17 @@ static void gic_unmask_irq(struct irq_data *d)
spin_unlock(&irq_controller_lock);
}
+static void gic_eoi_irq(struct irq_data *d)
+{
+ if (gic_arch_extn.irq_eoi) {
+ spin_lock(&irq_controller_lock);
+ gic_arch_extn.irq_eoi(d);
+ spin_unlock(&irq_controller_lock);
+ }
+
+ writel(gic_irq(d), gic_cpu_base(d) + GIC_CPU_EOI);
+}
+
static int gic_set_type(struct irq_data *d, unsigned int type)
{
void __iomem *base = gic_dist_base(d);
@@ -218,8 +220,7 @@ static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
unsigned int cascade_irq, gic_irq;
unsigned long status;
- /* primary controller ack'ing */
- chip->irq_ack(&desc->irq_data);
+ chained_irq_enter(chip, desc);
spin_lock(&irq_controller_lock);
status = readl(chip_data->cpu_base + GIC_CPU_INTACK);
@@ -236,15 +237,14 @@ static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc)
generic_handle_irq(cascade_irq);
out:
- /* primary controller unmasking */
- chip->irq_unmask(&desc->irq_data);
+ chained_irq_exit(chip, desc);
}
static struct irq_chip gic_chip = {
.name = "GIC",
- .irq_ack = gic_ack_irq,
.irq_mask = gic_mask_irq,
.irq_unmask = gic_unmask_irq,
+ .irq_eoi = gic_eoi_irq,
.irq_set_type = gic_set_type,
.irq_retrigger = gic_retrigger,
#ifdef CONFIG_SMP
@@ -319,7 +319,7 @@ static void __init gic_dist_init(struct gic_chip_data *gic,
* Setup the Linux IRQ subsystem.
*/
for (i = irq_start; i < irq_limit; i++) {
- irq_set_chip_and_handler(i, &gic_chip, handle_level_irq);
+ irq_set_chip_and_handler(i, &gic_chip, handle_fasteoi_irq);
irq_set_chip_data(i, gic);
set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
}