diff options
| author | Chao Xie <xiechao.mail@gmail.com> | 2012-07-31 14:13:09 +0800 |
|---|---|---|
| committer | Haojian Zhuang <haojian.zhuang@gmail.com> | 2012-08-16 16:15:54 +0800 |
| commit | 0d2ee5d773c209504db643ec4d4b9f3624a6663f (patch) | |
| tree | a0d0bccd073403b73891cb9283891f558ce0ecb2 /drivers/gpio/gpio-pxa.c | |
| parent | cd0a4a9503345c7076978ecc81c38a1c61730bfe (diff) | |
| download | lwn-0d2ee5d773c209504db643ec4d4b9f3624a6663f.tar.gz lwn-0d2ee5d773c209504db643ec4d4b9f3624a6663f.zip | |
gpio: pxa: add chain_eneter and chain_exit for irq handler
Signed-off-by: Chao Xie <xiechao.mail@gmail.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Diffstat (limited to 'drivers/gpio/gpio-pxa.c')
| -rw-r--r-- | drivers/gpio/gpio-pxa.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c index 6d0cb9dff27d..db5c2958f973 100644 --- a/drivers/gpio/gpio-pxa.c +++ b/drivers/gpio/gpio-pxa.c @@ -26,6 +26,8 @@ #include <linux/syscore_ops.h> #include <linux/slab.h> +#include <asm/mach/irq.h> + #include <mach/irqs.h> /* @@ -331,6 +333,9 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc) struct pxa_gpio_chip *c; int loop, gpio, gpio_base, n; unsigned long gedr; + struct irq_chip *chip = irq_desc_get_chip(desc); + + chained_irq_enter(chip, desc); do { loop = 0; @@ -350,6 +355,8 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc) } } } while (loop); + + chained_irq_exit(chip, desc); } static void pxa_ack_muxed_gpio(struct irq_data *d) |