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@xxxxxxxxxx>
---
drivers/input/joystick/adc-joystick.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/input/joystick/adc-joystick.c b/drivers/input/joystick/adc-joystick.c
index c0deff5d4282..3590d845e381 100644
--- a/drivers/input/joystick/adc-joystick.c
+++ b/drivers/input/joystick/adc-joystick.c
@@ -201,12 +201,9 @@ static int adc_joystick_probe(struct platform_device *pdev)
return -ENOMEM;
joy->chans = devm_iio_channel_get_all(dev);
- if (IS_ERR(joy->chans)) {
- error = PTR_ERR(joy->chans);
- if (error != -EPROBE_DEFER)
- dev_err(dev, "Unable to get IIO channels");
- return error;
- }
+ if (IS_ERR(joy->chans))
+ return dev_err_probe(dev, PTR_ERR(joy->chans),
+ "Unable to get IIO channels\n");
error = device_property_read_u32(dev, "poll-interval", &poll_interval);
if (error) {
--
2.25.1
