From f3af44f052272b815a2803b8205acfce393ee352 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Tue, 6 Nov 2018 14:38:55 +0200 Subject: gpio: sodaville: Use for_each_set_bit() in IRQ handler This simplifies and standardizes the AB IRQ handler by using the for_each_set_bit() library function. Signed-off-by: Andy Shevchenko --- drivers/gpio/gpio-sodaville.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) (limited to 'drivers/gpio/gpio-sodaville.c') diff --git a/drivers/gpio/gpio-sodaville.c b/drivers/gpio/gpio-sodaville.c index 633f363946b7..bb21214461d2 100644 --- a/drivers/gpio/gpio-sodaville.c +++ b/drivers/gpio/gpio-sodaville.c @@ -80,18 +80,15 @@ static int sdv_gpio_pub_set_type(struct irq_data *d, unsigned int type) static irqreturn_t sdv_gpio_pub_irq_handler(int irq, void *data) { struct sdv_gpio_chip_data *sd = data; - u32 irq_stat = readl(sd->gpio_pub_base + GPSTR); + unsigned long irq_stat = readl(sd->gpio_pub_base + GPSTR); + int irq_bit; irq_stat &= readl(sd->gpio_pub_base + GPIO_INT); if (!irq_stat) return IRQ_NONE; - while (irq_stat) { - u32 irq_bit = __fls(irq_stat); - - irq_stat &= ~BIT(irq_bit); + for_each_set_bit(irq_bit, &irq_stat, 32) generic_handle_irq(irq_find_mapping(sd->id, irq_bit)); - } return IRQ_HANDLED; } -- cgit v1.2.3-55-g7522