Re: [PATCH 1/2] regulator: core: Only delay if we successfully setthe voltage
From: Axel Lin
Date: Tue Jun 26 2012 - 06:30:31 EST
2012/6/26 Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>:
> There is no need to wait for the voltage to ramp if we didn't manage to
> set it.
>
> Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> ---
> drivers/regulator/core.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
> index 30ecb49..9f28f2f 100644
> --- a/drivers/regulator/core.c
> +++ b/drivers/regulator/core.c
> @@ -2131,7 +2131,8 @@ static int _regulator_do_set_voltage(struct regulator_dev *rdev,
> best_val = _regulator_get_voltage(rdev);
>
> /* Call set_voltage_time_sel if successfully obtained old_selector */
> - if (_regulator_is_enabled(rdev) && ret == 0 && old_selector >= 0 &&
^^^^^^^^
We
already check ret ==0 here.
> + if (ret == 0 &&
> + _regulator_is_enabled(rdev) && ret == 0 && old_selector >= 0 &&
> rdev->desc->ops->set_voltage_time_sel) {
>
> delay = rdev->desc->ops->set_voltage_time_sel(rdev,
> --
> 1.7.10
>
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