Re: [PATCH RFC/RFT] regulator: palmas: Clear PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASKbits in palmas_set_mode_smps

From: Graeme Gregory
Date: Thu Jun 07 2012 - 06:58:28 EST


That looks like a C&P error on my part.

Thanks for noticing.

Acked-by: Graeme Gregory <gg@xxxxxxxxxxxxxxx>

On 07/06/12 10:08, Axel Lin wrote:
> Current code actually clears more bits than PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK bits.
>
> Signed-off-by: Axel Lin <axel.lin@xxxxxxxxx>
> ---
> Hi Graeme,
>
> I'm wandering if we need to clear the status bits.
> Current code actually clears bit[7:4] and bit[1:0] and set bit[7:6] to bit[3:2].
> Looks like we only need to clear PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK bit[1:0] bits here.
> and this change makes the intent more clear.
>
> I don't have this hardware,
> I'd appreciate if you can test this patch if you think this change ok.
>
> Regards,
> Axel
> drivers/regulator/palmas-regulator.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
> index 92f475c..ae0951a 100644
> --- a/drivers/regulator/palmas-regulator.c
> +++ b/drivers/regulator/palmas-regulator.c
> @@ -257,8 +257,7 @@ static int palmas_set_mode_smps(struct regulator_dev *dev, unsigned int mode)
> unsigned int reg;
>
> palmas_smps_read(pmic->palmas, palmas_regs_info[id].ctrl_addr, &reg);
> - reg &= ~PALMAS_SMPS12_CTRL_STATUS_MASK;
> - reg >>= PALMAS_SMPS12_CTRL_STATUS_SHIFT;
> + reg &= ~PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
>
> switch (mode) {
> case REGULATOR_MODE_NORMAL:

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