[PATCHv4] regulator: pwm-regulator: Make use of the helper function dev_err_probe()
Anand Moon
linux.amoon at gmail.com
Sat Sep 25 10:34:12 PDT 2021
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.
Cc: Martin Blumenstingl <martin.blumenstingl at googlemail.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl at googlemail.com>
Signed-off-by: Anand Moon <linux.amoon at gmail.com>
---
V3 - Fix the coading style issue. dropped { }
V2 - Fix the return message and drop the FIX tag in commit.
V1 - Fix the wrong probe defer for devm_regulator_register.
- Fix the commit message.
---
drivers/regulator/pwm-regulator.c | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c
index 7629476d94ae..b9eeaff1c661 100644
--- a/drivers/regulator/pwm-regulator.c
+++ b/drivers/regulator/pwm-regulator.c
@@ -352,15 +352,9 @@ static int pwm_regulator_probe(struct platform_device *pdev)
config.init_data = init_data;
drvdata->pwm = devm_pwm_get(&pdev->dev, NULL);
- if (IS_ERR(drvdata->pwm)) {
- ret = PTR_ERR(drvdata->pwm);
- if (ret == -EPROBE_DEFER)
- dev_dbg(&pdev->dev,
- "Failed to get PWM, deferring probe\n");
- else
- dev_err(&pdev->dev, "Failed to get PWM: %d\n", ret);
- return ret;
- }
+ if (IS_ERR(drvdata->pwm))
+ return dev_err_probe(&pdev->dev, PTR_ERR(drvdata->pwm),
+ "Failed to get PWM\n");
if (init_data->constraints.boot_on || init_data->constraints.always_on)
gpio_flags = GPIOD_OUT_HIGH;
--
2.33.0
More information about the linux-amlogic
mailing list