Messages in this thread Patch in this message | | | From | Michael Walle <> | Subject | [PATCH 1/2] usb: gadget: udc: atmel: check rc of devm_gpiod_get_optional() | Date | Tue, 5 Jul 2022 15:19:50 +0200 |
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devm_gpiod_get_optional() might still return an error code, esp. EPROBE_DEFER. Return any errors.
Signed-off-by: Michael Walle <michael@walle.cc> --- drivers/usb/gadget/udc/atmel_usba_udc.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index ae2bfbac603e..48355e0cee76 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -2165,6 +2165,8 @@ static struct usba_ep * atmel_udc_of_init(struct platform_device *pdev, udc->vbus_pin = devm_gpiod_get_optional(&pdev->dev, "atmel,vbus", GPIOD_IN); + if (IS_ERR(udc->vbus_pin)) + return ERR_CAST(udc->vbus_pin); if (fifo_mode == 0) { udc->num_ep = udc_config->num_ep; -- 2.30.2
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