xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

gpio: pxa: add chain_eneter and chain_exit for irq handler

Browse Source 
Signed-off-by: Chao Xie <xiechao.mail@gmail.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
This commit is contained in:
Chao Xie
2012-07-31 14:13:09 +08:00
committed by Haojian Zhuang
parent cd0a4a9503
commit 0d2ee5d773
1 changed files with 7 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpio/gpio-pxa.c
View File

@@ -26,6 +26,8 @@
#include <linux/syscore_ops.h> #include <linux/syscore_ops.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <asm/mach/irq.h>
#include <mach/irqs.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; struct pxa_gpio_chip *c;
int loop, gpio, gpio_base, n; int loop, gpio, gpio_base, n;
unsigned long gedr; unsigned long gedr;
struct irq_chip *chip = irq_desc_get_chip(desc);
chained_irq_enter(chip, desc);
do { do {
loop = 0; loop = 0;
@@ -350,6 +355,8 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc)
} }
} }
} while (loop); } while (loop);
chained_irq_exit(chip, desc);
} }
static void pxa_ack_muxed_gpio(struct irq_data *d) static void pxa_ack_muxed_gpio(struct irq_data *d)