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/misc/da7280.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/input/misc/da7280.c b/drivers/input/misc/da7280.c index b08610d6e575..b1ca4fd94e9e 100644 --- a/drivers/input/misc/da7280.c +++ b/drivers/input/misc/da7280.c @@ -1166,12 +1166,9 @@ static int da7280_probe(struct i2c_client *client, if (haptics->const_op_mode == DA7280_PWM_MODE) { haptics->pwm_dev = devm_pwm_get(dev, NULL); error = PTR_ERR_OR_ZERO(haptics->pwm_dev); - if (error) { - if (error != -EPROBE_DEFER) - dev_err(dev, "Unable to request PWM: %d\n", - error); - return error; - } + if (error) + return dev_err_probe(dev, error, + "Unable to request PWM\n"); /* Sync up PWM state and ensure it is off. */ pwm_init_state(haptics->pwm_dev, &state); -- 2.25.1