diff --git a/[refs] b/[refs] index a884696c5e60..34258f45f684 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 3835541dd481091c4dbf5ef83c08aed12e50fd61 +refs/heads/master: a2cb9aeb3c9b2475955cec328487484034f414e4 diff --git a/trunk/drivers/gpio/pca953x.c b/trunk/drivers/gpio/pca953x.c index 7d521e1d17e1..b827c976dc62 100644 --- a/trunk/drivers/gpio/pca953x.c +++ b/trunk/drivers/gpio/pca953x.c @@ -252,6 +252,18 @@ static void pca953x_irq_bus_lock(unsigned int irq) static void pca953x_irq_bus_sync_unlock(unsigned int irq) { struct pca953x_chip *chip = get_irq_chip_data(irq); + uint16_t new_irqs; + uint16_t level; + + /* Look for any newly setup interrupt */ + new_irqs = chip->irq_trig_fall | chip->irq_trig_raise; + new_irqs &= ~chip->reg_direction; + + while (new_irqs) { + level = __ffs(new_irqs); + pca953x_gpio_direction_input(&chip->gpio_chip, level); + new_irqs &= ~(1 << level); + } mutex_unlock(&chip->irq_lock); } @@ -278,7 +290,7 @@ static int pca953x_irq_set_type(unsigned int irq, unsigned int type) else chip->irq_trig_raise &= ~mask; - return pca953x_gpio_direction_input(&chip->gpio_chip, level); + return 0; } static struct irq_chip pca953x_irq_chip = {