[PATCH] regulator: pwm-regulator: Make use of the helper function dev_err_probe()
Anand Moon
linux.amoon at gmail.com
Mon Sep 20 11:05:18 PDT 2021
Hi Neil,
On Mon, 20 Sept 2021 at 13:56, Neil Armstrong <narmstrong at baylibre.com> wrote:
>
> On 19/09/2021 23:11, Anand Moon wrote:
> > devm_regulator_register can return -EPROBE_DEFER if the
> > 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.
> >
> > Fixes: 0cd71b9a43ad ("regulator: pwm: Don't warn on probe deferral")
> >
> > Cc: Martin Blumenstingl <martin.blumenstingl at googlemail.com>
> > Signed-off-by: Anand Moon <linux.amoon at gmail.com>
> > ---
> > drivers/regulator/pwm-regulator.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/regulator/pwm-regulator.c b/drivers/regulator/pwm-regulator.c
> > index 7629476d94ae..451e57a739f8 100644
> > --- a/drivers/regulator/pwm-regulator.c
> > +++ b/drivers/regulator/pwm-regulator.c
> > @@ -382,9 +382,9 @@ static int pwm_regulator_probe(struct platform_device *pdev)
> > &drvdata->desc, &config);
> > if (IS_ERR(regulator)) {
> > ret = PTR_ERR(regulator);
> > - dev_err(&pdev->dev, "Failed to register regulator %s: %d\n",
> > - drvdata->desc.name, ret);
> > - return ret;
> > + return dev_err_probe(&pdev->dev, ret,
> > + "Failed to register regulator %s: %d\n",
> > + drvdata->desc.name, ret);
>
> No need to keep ret and print it since it will be printed by dev_err_probe, pass directly PTR_ERR(regulator) and drop the ": %d" from the error string.
>
> Neil
>
Thanks for the input but it's a wrong fix I meant to fix another probe
defer with *devm_pwm_get*
I will correct this in the next version..
Thanks
-Anand
>
> > }
> >
> > return 0;
> >
>
More information about the linux-amlogic
mailing list