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ARM: omap: update GPIO chained IRQ handler to use entry/exit functions 

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@google.com>
Cc: Tony Lindgren <tony@atomide.com>
Tested-and-acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Will Deacon 2011-02-21 13:46:08 +00:00
parent 693d92a1bb
commit ee14418259
1 changed files with 4 additions and 3 deletions
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7
arch/arm/plat-omap/gpio.c
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@ -1137,8 +1137,9 @@ 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 = irq_desc_get_chip(desc);
desc->irq_data.chip->irq_ack(&desc->irq_data);
chained_irq_enter(chip, desc);
bank = irq_get_handler_data(irq);
#ifdef CONFIG_ARCH_OMAP1
@ -1195,7 +1196,7 @@ 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;
@ -1231,7 +1232,7 @@ 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)