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Commit 03dd765f authored by Will Deacon's avatar Will Deacon
Browse files

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



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: default avatarAbhijeet Dharmapurikar <adharmap@codeaurora.org>
Acked-by: default avatarDavid Brown <davidb@codeaurora.org>
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent 0f43563f

arch/arm/mach-msm/gpio-v2.c

+8 −2
Original line number Diff line number Diff line
@@ -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)