diff options
| author | Paul Moore <pmoore@redhat.com> | 2014-06-17 17:30:23 -0400 |
|---|---|---|
| committer | Paul Moore <pmoore@redhat.com> | 2014-06-17 17:30:23 -0400 |
| commit | 170b5910d9fbea79de1bb40df22eda5f98250c0c (patch) | |
| tree | ca9560e878d2842d45c6f99077d0d8b8f8b0f9ba /drivers/gpio/gpio-mvebu.c | |
| parent | 47dd0b76ace953bd2c0479076db0d3e3b9594003 (diff) | |
| parent | 1860e379875dfe7271c649058aeddffe5afd9d0d (diff) | |
Merge tag 'v3.15' into next
Linux 3.15
Diffstat (limited to 'drivers/gpio/gpio-mvebu.c')
| -rw-r--r-- | drivers/gpio/gpio-mvebu.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 3b1fd1ce460..d4250942239 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -44,6 +44,7 @@ #include <linux/of_device.h> #include <linux/clk.h> #include <linux/pinctrl/consumer.h> +#include <linux/irqchip/chained_irq.h> /* * GPIO unit register offsets. @@ -438,12 +439,15 @@ static int mvebu_gpio_irq_set_type(struct irq_data *d, unsigned int type) static void mvebu_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) { struct mvebu_gpio_chip *mvchip = irq_get_handler_data(irq); + struct irq_chip *chip = irq_desc_get_chip(desc); u32 cause, type; int i; if (mvchip == NULL) return; + chained_irq_enter(chip, desc); + cause = readl_relaxed(mvebu_gpioreg_data_in(mvchip)) & readl_relaxed(mvebu_gpioreg_level_mask(mvchip)); cause |= readl_relaxed(mvebu_gpioreg_edge_cause(mvchip)) & @@ -466,8 +470,11 @@ static void mvebu_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) polarity ^= 1 << i; writel_relaxed(polarity, mvebu_gpioreg_in_pol(mvchip)); } + generic_handle_irq(irq); } + + chained_irq_exit(chip, desc); } #ifdef CONFIG_DEBUG_FS |