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

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This patch updates the MSM 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.

Tested-and-reviewed-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
Acked-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Will Deacon 2011-02-21 14:54:57 +00:00
parent 0f43563f2d
commit 03dd765fe4
1 changed files with 8 additions and 2 deletions
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10
arch/arm/mach-msm/gpio-v2.c
View file

@ -27,6 +27,9 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spinlock.h>
#include <asm/mach/irq.h>
#include <mach/msm_iomap.h>
#include "gpiomux.h"
@ -309,8 +312,10 @@ static int msm_gpio_irq_set_type(struct irq_data *d, unsigned int flow_type)
*/
static void msm_summary_irq_handler(unsigned int irq, struct irq_desc *desc)
{
struct irq_data *data = irq_desc_get_irq_data(desc);
unsigned long i;
struct irq_chip *chip = irq_desc_get_chip(desc);
chained_irq_enter(chip, desc);
for (i = find_first_bit(msm_gpio.enabled_irqs, NR_GPIO_IRQS);
i < NR_GPIO_IRQS;
@ -319,7 +324,8 @@ static void msm_summary_irq_handler(unsigned int irq, struct irq_desc *desc)
generic_handle_irq(msm_gpio_to_irq(&msm_gpio.gpio_chip,
i));
}
data->chip->irq_ack(data);
chained_irq_exit(chip, desc);
}
static int msm_gpio_irq_set_wake(struct irq_data *d, unsigned int on)