[PATCH 2/7] ARM: omap: update GPIO chained IRQ handler to use entry/exit functions
Will Deacon
will.deacon at arm.com
Tue Mar 8 12:13:20 EST 2011
This patch updates the OMAP gpio chained IRQ handler to use the chained
IRQ enter/exit functions in order to function correctly on primary
controllers with different methods of flow control.
Cc: Colin Cross <ccross at google.com>
Cc: Tony Lindgren <tony at atomide.com>
Cc: Santosh Shilimkar <santosh.shilimkar at ti.com>
Signed-off-by: Will Deacon <will.deacon at arm.com>
---
arch/arm/plat-omap/gpio.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 971d186..830c1a6 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -1143,8 +1143,9 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
struct gpio_bank *bank;
u32 retrigger = 0;
int unmasked = 0;
+ struct irq_chip *chip = get_irq_desc_chip(desc);
- desc->irq_data.chip->irq_ack(&desc->irq_data);
+ chained_irq_enter(chip, desc);
bank = get_irq_data(irq);
#ifdef CONFIG_ARCH_OMAP1
@@ -1201,7 +1202,7 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
configured, we could unmask GPIO bank interrupt immediately */
if (!level_mask && !unmasked) {
unmasked = 1;
- desc->irq_data.chip->irq_unmask(&desc->irq_data);
+ chained_irq_exit(chip, desc);
}
isr |= retrigger;
@@ -1237,7 +1238,7 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
interrupt */
exit:
if (!unmasked)
- desc->irq_data.chip->irq_unmask(&desc->irq_data);
+ chained_irq_exit(chip, desc);
}
static void gpio_irq_shutdown(struct irq_data *d)
--
1.7.0.4
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