devm_pwm_get() can return -EPROBE_DEFER if the pwm regulator is not
ready yet. Use dev_err_probe() for pwm regulator resources
to indicate the deferral reason when waiting for the
resource to come up.
Signed-off-by: zhaoxiao <zhaoxiao@xxxxxxxxxxxxx>
---
v2:Remove the redundant brackets '}'
drivers/input/misc/da7280.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/drivers/input/misc/da7280.c b/drivers/input/misc/da7280.c
index b08610d6e575..65f3e0251b23 100644
--- a/drivers/input/misc/da7280.c
+++ b/drivers/input/misc/da7280.c
@@ -1165,13 +1165,9 @@ 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 (IS_ERR(haptics->pwm_dev))
+ return dev_err_probe(dev, PTR_ERR(haptics->pwm_dev),
+ "Unable to request PWM\n");
/* Sync up PWM state and ensure it is off. */
pwm_init_state(haptics->pwm_dev, &state);
--
2.20.1
