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gpio: Avoid using an invalid ofnode

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Devices do not necessarily have nodes attached to them, since they can be
created from platdata. In SPL a devicetree may in fact not exist at all.

Check the node before using it. This avoids failure when OF_CHECKS is
enabled.

Signed-off-by: Simon Glass <sjg@chromium.org>
Fixes: 5fc7cf8c8e ("gpio: add gpio-hog support")
Reviewed-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Simon Glass 2023-06-01 10:22:30 -06:00 committed by Tom Rini
parent 18030d9fa2
commit 11c341b118
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpio-uclass.c
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@ -1474,7 +1474,7 @@ static int gpio_post_bind(struct udevice *dev)
} }
#endif #endif
if (CONFIG_IS_ENABLED(GPIO_HOG)) { if (CONFIG_IS_ENABLED(GPIO_HOG) && dev_has_ofnode(dev)) {
struct udevice *child; struct udevice *child;
ofnode node; ofnode node;