@@ -236,12 +236,9 @@ static int rotary_encoder_probe(struct platform_device *pdev)
device_property_read_bool(dev, "rotary-encoder,relative-axis");
encoder->gpios = devm_gpiod_get_array(dev, NULL, GPIOD_IN);
- if (IS_ERR(encoder->gpios)) {
- err = PTR_ERR(encoder->gpios);
- if (err != -EPROBE_DEFER)
- dev_err(dev, "unable to get gpios: %d\n", err);
- return err;
- }
+ if (IS_ERR(encoder->gpios))
+ return dev_err_probe(dev, PTR_ERR(encoder->gpios),
+ "unable to get gpios\n");
if (encoder->gpios->ndescs < 2) {
dev_err(dev, "not enough gpios found\n");
return -EINVAL;
In the probe path, dev_err() can be replaced with dev_err_probe() which will check if error code is -EPROBE_DEFER and prints the error name. It also sets the defer probe reason which can be checked later through debugfs. Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/input/misc/rotary_encoder.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-)