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gpio: em: Don't shadow error code of gpiochip_lock_as_irq() 

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.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Andy Shevchenko 2018-07-30 15:38:34 +03:00 committed by Linus Walleij
parent 10ed35399a
commit 41d69087fd
1 changed files with 4 additions and 2 deletions
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6
drivers/gpio/gpio-em.c
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@ -101,12 +101,14 @@ static void em_gio_irq_enable(struct irq_data *d)
static int em_gio_irq_reqres(struct irq_data *d) static int em_gio_irq_reqres(struct irq_data *d)
{ {
struct em_gio_priv *p = irq_data_get_irq_chip_data(d); struct em_gio_priv *p = irq_data_get_irq_chip_data(d);
int ret;
if (gpiochip_lock_as_irq(&p->gpio_chip, irqd_to_hwirq(d))) { ret = gpiochip_lock_as_irq(&p->gpio_chip, irqd_to_hwirq(d));
if (ret) {
dev_err(p->gpio_chip.parent, dev_err(p->gpio_chip.parent,
"unable to lock HW IRQ %lu for IRQ\n", "unable to lock HW IRQ %lu for IRQ\n",
irqd_to_hwirq(d)); irqd_to_hwirq(d));
return -EINVAL; return ret;
} }
return 0; return 0;
} }