[PATCH 4/5] pinctrl: baytrail: Propagate errors from optional IRQ lookup
| Newsgroups | org.kernel.vger.linux-gpio,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
From: bui duc phuc <[email protected]> platform_get_irq_optional() returns a positive IRQ number on success or a negative error code on failure. For an optional IRQ, -ENXIO indicates that no optional IRQ is available, while other errors should be propagated. Propagate all error codes returned by platform_get_irq_optional() other than -ENXIO. Signed-off-by: bui duc phuc <[email protected]> --- drivers/pinctrl/intel/pinctrl-baytrail.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c index b733ec31ad9d..bcc77bf6e811 100644 --- a/drivers/pinctrl/intel/pinctrl-baytrail.c +++ b/drivers/pinctrl/intel/pinctrl-baytrail.c @@ -1533,6 +1533,8 @@ static int byt_gpio_probe(struct intel_pinctrl *vg) /* set up interrupts */ irq = platform_get_irq_optional(pdev, 0); + if (irq < 0 && irq != -ENXIO) + return irq; if (irq > 0) { struct gpio_irq_chip *girq; -- 2.43.0