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gpio: bcm-kona: Don't shadow error code of gpiochip_lock_as_irq()

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gpiochip_lock_as_irq() may return a few error codes,
do not shadow them by -EINVAL and let caller to decide.

No functional change intended.

Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Andy Shevchenko 2018-07-30 15:38:32 +03:00 committed by Linus Walleij
parent 3a2f335c41
commit 9b073332dd
1 changed files with 4 additions and 2 deletions
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6
drivers/gpio/gpio-bcm-kona.c
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@ -485,12 +485,14 @@ static void bcm_kona_gpio_irq_handler(struct irq_desc *desc)
static int bcm_kona_gpio_irq_reqres(struct irq_data *d)
{
struct bcm_kona_gpio *kona_gpio = irq_data_get_irq_chip_data(d);
int ret;
if (gpiochip_lock_as_irq(&kona_gpio->gpio_chip, d->hwirq)) {
ret = gpiochip_lock_as_irq(&kona_gpio->gpio_chip, d->hwirq);
if (ret) {
dev_err(kona_gpio->gpio_chip.parent,
"unable to lock HW IRQ %lu for IRQ\n",
d->hwirq);
return -EINVAL;
return ret;
}
return 0;
}