Commit 2043727c authored by Cai Huoqing's avatar Cai Huoqing Committed by Greg Kroah-Hartman
Browse files

driver core: platform: Make use of the helper function dev_err_probe() 



When possible using dev_err_probe() helps to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.

Signed-off-by: default avatarCai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20211105071509.969-1-caihuoqing@baidu.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a6914afc

drivers/base/platform.c

+3 −2
Original line number Diff line number Diff line
@@ -258,8 +258,9 @@ int platform_get_irq(struct platform_device *dev, unsigned int num) 
	int ret;



	ret = platform_get_irq_optional(dev, num);

	if (ret < 0 && ret != -EPROBE_DEFER)

		dev_err(&dev->dev, "IRQ index %u not found\n", num);

	if (ret < 0)

		return dev_err_probe(&dev->dev, ret,

				     "IRQ index %u not found\n", num);



	return ret;

}