diff options
Diffstat (limited to 'drivers/pinctrl/sh-pfc/gpio.c')
| -rw-r--r-- | drivers/pinctrl/sh-pfc/gpio.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/pinctrl/sh-pfc/gpio.c b/drivers/pinctrl/sh-pfc/gpio.c index 6a21349fb11..63480815e1a 100644 --- a/drivers/pinctrl/sh-pfc/gpio.c +++ b/drivers/pinctrl/sh-pfc/gpio.c @@ -211,11 +211,17 @@ static int gpio_pin_to_irq(struct gpio_chip *gc, unsigned offset) for (k = 0; gpios[k] >= 0; k++) { if (gpios[k] == offset) - return pfc->info->gpio_irq[i].irq; + goto found; } } return -ENOSYS; + +found: + if (pfc->num_irqs) + return pfc->irqs[i]; + else + return pfc->info->gpio_irq[i].irq; } static int gpio_pin_setup(struct sh_pfc_chip *chip) @@ -357,6 +363,12 @@ int sh_pfc_register_gpiochip(struct sh_pfc *pfc) if (i == pfc->num_windows) return 0; + /* If we have IRQ resources make sure their number is correct. */ + if (pfc->num_irqs && pfc->num_irqs != pfc->info->gpio_irq_size) { + dev_err(pfc->dev, "invalid number of IRQ resources\n"); + return -EINVAL; + } + /* Register the real GPIOs chip. */ chip = sh_pfc_add_gpiochip(pfc, gpio_pin_setup, &pfc->windows[i]); if (IS_ERR(chip)) |