diff options
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-pca953x.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c index d550d8e58705..83cc2c8f105f 100644 --- a/drivers/gpio/gpio-pca953x.c +++ b/drivers/gpio/gpio-pca953x.c @@ -503,10 +503,11 @@ static irqreturn_t pca953x_irq_handler(int irq, void *devid) struct pca953x_chip *chip = devid; u8 pending[MAX_BANK]; u8 level; + unsigned nhandled = 0; int i; if (!pca953x_irq_pending(chip, pending)) - return IRQ_HANDLED; + return IRQ_NONE; for (i = 0; i < NBANK(chip); i++) { while (pending[i]) { @@ -514,10 +515,11 @@ static irqreturn_t pca953x_irq_handler(int irq, void *devid) handle_nested_irq(irq_find_mapping(chip->domain, level + (BANK_SZ * i))); pending[i] &= ~(1 << level); + nhandled++; } } - return IRQ_HANDLED; + return (nhandled > 0) ? IRQ_HANDLED : IRQ_NONE; } static int pca953x_gpio_irq_map(struct irq_domain *d, unsigned int irq, |