diff options
| author | Lars-Peter Clausen <lars@metafoo.de> | 2014-08-18 13:54:55 +0400 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2014-08-29 10:31:57 +0400 |
| commit | 5a2533a7478334593c50284fd414c70b3b9217c0 (patch) | |
| tree | a14c0439a5193c28f7779e9ff2421336e1db7491 /drivers/gpio/gpio-zynq.c | |
| parent | a879891ee80413f6999905db43ad0d6852dfa6ca (diff) | |
| download | linux-5a2533a7478334593c50284fd414c70b3b9217c0.tar.xz | |
gpio: zynq: Reduce level of indention in zynq_gpio_irqhandler()
zynq_gpio_irqhandler() uses up to 7 tabs of indention in some parts. Refactor
things to use a helper function for the inner loop to reduce the indention to a
sane level.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-zynq.c')
| -rw-r--r-- | drivers/gpio/gpio-zynq.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index 6e5146c8e254..36034b6811bb 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -457,6 +457,24 @@ static struct irq_chip zynq_gpio_edge_irqchip = { .irq_set_wake = zynq_gpio_set_wake, }; +static void zynq_gpio_handle_bank_irq(struct zynq_gpio *gpio, + unsigned int bank_num, + unsigned long pending) +{ + struct irq_domain *irqdomain = gpio->chip.irqdomain; + int offset; + + if (!pending) + return; + + for_each_set_bit(offset, &pending, 32) { + unsigned int gpio_irq; + + gpio_irq = irq_find_mapping(irqdomain, offset); + generic_handle_irq(gpio_irq); + } +} + /** * zynq_gpio_irqhandler - IRQ handler for the gpio banks of a gpio device * @irq: irq number of the gpio bank where interrupt has occurred @@ -482,18 +500,7 @@ static void zynq_gpio_irqhandler(unsigned int irq, struct irq_desc *desc) ZYNQ_GPIO_INTSTS_OFFSET(bank_num)); int_enb = readl_relaxed(gpio->base_addr + ZYNQ_GPIO_INTMASK_OFFSET(bank_num)); - int_sts &= ~int_enb; - if (int_sts) { - int offset; - unsigned long pending = int_sts; - - for_each_set_bit(offset, &pending, 32) { - unsigned int gpio_irq = - irq_find_mapping(gpio->chip.irqdomain, - offset); - generic_handle_irq(gpio_irq); - } - } + zynq_gpio_handle_bank_irq(gpio, bank_num, int_sts & ~int_enb); } chained_irq_exit(irqchip, desc); |