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regulator: pwm-regulator: Make use of the helper function dev_err_probe()

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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@googlemail.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Anand Moon <linux.amoon@gmail.com>
Link: https://lore.kernel.org/r/20210925173413.1019-1-linux.amoon@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Anand Moon 2021-09-25 17:34:12 +00:00 committed by Mark Brown
parent 5fa6863ba6
commit e458d3f39d
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 9 deletions
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12
drivers/regulator/pwm-regulator.c
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@ -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;