diff options
Diffstat (limited to 'drivers/gpio/gpio-mxc.c')
| -rw-r--r-- | drivers/gpio/gpio-mxc.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c index b588f8a41e60..b81c98992114 100644 --- a/drivers/gpio/gpio-mxc.c +++ b/drivers/gpio/gpio-mxc.c @@ -30,6 +30,7 @@ #include <linux/of.h> #include <linux/of_device.h> #include <asm-generic/bug.h> +#include <asm/mach/irq.h> #define irq_to_gpio(irq) ((irq) - MXC_GPIO_IRQ_START) @@ -234,10 +235,15 @@ static void mx3_gpio_irq_handler(u32 irq, struct irq_desc *desc) { u32 irq_stat; struct mxc_gpio_port *port = irq_get_handler_data(irq); + struct irq_chip *chip = irq_get_chip(irq); + + chained_irq_enter(chip, desc); irq_stat = readl(port->base + GPIO_ISR) & readl(port->base + GPIO_IMR); mxc_gpio_irq_handler(port, irq_stat); + + chained_irq_exit(chip, desc); } /* MX2 has one interrupt *for all* gpio ports */ |