[PATCH 2/7] gpio: pxa: add chain_eneter and chain_exit for irq handler
From: Chao Xie <hidden>
Date: 2012-07-31 06:13:09
Subsystem:
gpio subsystem, pxa gpio driver, the rest · Maintainers:
Linus Walleij, Bartosz Golaszewski, Robert Jarzmik, Linus Torvalds
From: Chao Xie <redacted> Signed-off-by: Chao Xie <redacted> --- 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 58a6a63..97ade14 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> /*
@@ -379,6 +381,9 @@ 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;
@@ -398,6 +403,8 @@ 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)
--
1.7.0.4