diff options
| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2011-08-13 05:55:36 +0200 |
|---|---|---|
| committer | Kukjin Kim <kgene.kim@samsung.com> | 2011-08-19 13:57:38 +0200 |
| commit | 3f6065dd9d2c947c8d68336f07bd721d3909a30d (patch) | |
| tree | 248a3ccfa6f785cc08f1c4cf5ab9fcc891f0c125 | |
| parent | ARM: EXYNOS4: add required chained_irq_enter/exit to eint code (diff) | |
| download | linux-3f6065dd9d2c947c8d68336f07bd721d3909a30d.tar.xz linux-3f6065dd9d2c947c8d68336f07bd721d3909a30d.zip | |
ARM: S5P: add required chained_irq_enter/exit to gpio-int code
This patch adds chained IRQ enter/exit functions to gpio interrupt
handler in order to function correctly on primary controllers with
different methods of flow control.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
| -rw-r--r-- | arch/arm/plat-s5p/irq-gpioint.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/plat-s5p/irq-gpioint.c b/arch/arm/plat-s5p/irq-gpioint.c index 327ab9f662e8..f71078ef6bb5 100644 --- a/arch/arm/plat-s5p/irq-gpioint.c +++ b/arch/arm/plat-s5p/irq-gpioint.c @@ -23,6 +23,8 @@ #include <plat/gpio-core.h> #include <plat/gpio-cfg.h> +#include <asm/mach/irq.h> + #define GPIO_BASE(chip) (((unsigned long)(chip)->base) & 0xFFFFF000u) #define CON_OFFSET 0x700 @@ -81,6 +83,9 @@ static void s5p_gpioint_handler(unsigned int irq, struct irq_desc *desc) int group, pend_offset, mask_offset; unsigned int pend, mask; + struct irq_chip *chip = irq_get_chip(irq); + chained_irq_enter(chip, desc); + for (group = 0; group < bank->nr_groups; group++) { struct s3c_gpio_chip *chip = bank->chips[group]; if (!chip) @@ -102,6 +107,7 @@ static void s5p_gpioint_handler(unsigned int irq, struct irq_desc *desc) pend &= ~BIT(offset); } } + chained_irq_exit(chip, desc); } static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip) |