diff options
author | Will Deacon <will.deacon@arm.com> | 2011-02-21 14:54:57 +0000 |
---|---|---|
committer | Will Deacon <will.deacon@arm.com> | 2011-05-11 16:04:15 +0100 |
commit | 03dd765fe4dd9420ac430d2a7c19498afa4431b3 (patch) | |
tree | 434bdb2604f1f57b046772133a107a25561b2e39 | |
parent | 0f43563f2d9d8f6f9e0727e4eedb7f557ed2fb4c (diff) | |
download | op-kernel-dev-03dd765fe4dd9420ac430d2a7c19498afa4431b3.zip op-kernel-dev-03dd765fe4dd9420ac430d2a7c19498afa4431b3.tar.gz |
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: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
Acked-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
-rw-r--r-- | arch/arm/mach-msm/gpio-v2.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm/mach-msm/gpio-v2.c b/arch/arm/mach-msm/gpio-v2.c index 56a964e..cc9c4fd 100644 --- a/arch/arm/mach-msm/gpio-v2.c +++ b/arch/arm/mach-msm/gpio-v2.c @@ -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) |