[PATCH v4 14/18] staging: mt7621-gpio: avoid one level indentation in interrupt handler
Sergio Paracuellos
sergio.paracuellos at gmail.com
Thu Jun 14 18:16:42 UTC 2018
There is no need to check for 'pending' before loop over the
interrupts using 'for_each_set_bit' if nothing is set the
return values will be the same so just avoid this check avoiding
also one level intentation and improving readability.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos at gmail.com>
---
drivers/staging/mt7621-gpio/gpio-mt7621.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/drivers/staging/mt7621-gpio/gpio-mt7621.c b/drivers/staging/mt7621-gpio/gpio-mt7621.c
index 96dee10..698a95d 100644
--- a/drivers/staging/mt7621-gpio/gpio-mt7621.c
+++ b/drivers/staging/mt7621-gpio/gpio-mt7621.c
@@ -93,14 +93,12 @@ mediatek_gpio_irq_handler(int irq, void *data)
pending = mtk_gpio_r32(rg, GPIO_REG_STAT);
- if (pending) {
- for_each_set_bit(bit, &pending, MTK_BANK_WIDTH) {
- u32 map = irq_find_mapping(gc->irq.domain, bit);
+ for_each_set_bit(bit, &pending, MTK_BANK_WIDTH) {
+ u32 map = irq_find_mapping(gc->irq.domain, bit);
- generic_handle_irq(map);
- mtk_gpio_w32(rg, GPIO_REG_STAT, BIT(bit));
- ret |= IRQ_HANDLED;
- }
+ generic_handle_irq(map);
+ mtk_gpio_w32(rg, GPIO_REG_STAT, BIT(bit));
+ ret |= IRQ_HANDLED;
}
return ret;
--
2.7.4
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