linux-kernel - Re: [PATCH 3/3] regulator: pbias: Convert to use regulator_[enable|is_enabled]

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Date:	Fri, 7 Mar 2014 22:16:00 +0530
From:	Balaji T K <balajitk@...com>
To:	Axel Lin <axel.lin@...ics.com>
CC:	Chris Ball <chris@...ntf.net>, Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Florian Vaussard <florian.vaussard@...l.ch>,
	Stefan Roese <sr@...x.de>, <linux-kernel@...r.kernel.org>,
	<linux-mmc@...r.kernel.org>
Subject: Re: [PATCH 3/3] regulator: pbias: Convert to use regulator_[enable|is_enabled]_regmap

On Friday 07 March 2014 09:20 PM, Axel Lin wrote:
> Since commit ca5d1b3524b4d
> "regulator: helpers: Modify helpers enabling multi-bit control",
> we can set enable_val setting for device that use multiple bits for control
> when using regmap enable/disable/bypass ops.
>
> Signed-off-by: Axel Lin <axel.lin@...ics.com>
> ---
> Note:
> This patch depends on below commit which is only in regulator tree now:
> http://git.kernel.org/cgit/linux/kernel/git/broonie/regulator.git/commit/?h=topic/enable
>
> I sent this for reveiw and test now.
> if it works, I'll resend it once 3.5-rc1 is released.
Hi,

I tested this series with above dependent commit and it works as excepted
So you can add my,
Tested-by: Balaji T K <balajitk@...com>

Thanks for doing regmap conversion, now pbias driver looks as minimal as possible.

>
>   drivers/regulator/pbias-regulator.c | 25 +++----------------------
>   1 file changed, 3 insertions(+), 22 deletions(-)
>
> diff --git a/drivers/regulator/pbias-regulator.c b/drivers/regulator/pbias-regulator.c
> index 6d38be3..708ddbb 100644
> --- a/drivers/regulator/pbias-regulator.c
> +++ b/drivers/regulator/pbias-regulator.c
> @@ -49,33 +49,13 @@ static const unsigned int pbias_volt_table[] = {
>   	3000000
>   };
>
> -static int pbias_regulator_enable(struct regulator_dev *rdev)
> -{
> -	struct pbias_regulator_data *data = rdev_get_drvdata(rdev);
> -	const struct pbias_reg_info *info = data->info;
> -
> -	return regmap_update_bits(data->syscon, rdev->desc->enable_reg,
> -				  info->enable_mask, info->enable);
> -}
> -
> -static int pbias_regulator_is_enable(struct regulator_dev *rdev)
> -{
> -	struct pbias_regulator_data *data = rdev_get_drvdata(rdev);
> -	const struct pbias_reg_info *info = data->info;
> -	int value;
> -
> -	regmap_read(data->syscon, rdev->desc->enable_reg, &value);
> -
> -	return (value & info->enable_mask) == info->enable;
> -}
> -
>   static struct regulator_ops pbias_regulator_voltage_ops = {
>   	.list_voltage = regulator_list_voltage_table,
>   	.get_voltage_sel = regulator_get_voltage_sel_regmap,
>   	.set_voltage_sel = regulator_set_voltage_sel_regmap,
> -	.enable = pbias_regulator_enable,
> +	.enable = regulator_enable_regmap,
>   	.disable = regulator_disable_regmap,
> -	.is_enabled = pbias_regulator_is_enable,
> +	.is_enabled = regulator_is_enabled_regmap,
>   };
>
>   static const struct pbias_reg_info pbias_mmc_omap2430 = {
> @@ -180,6 +160,7 @@ static int pbias_regulator_probe(struct platform_device *pdev)
>   		drvdata[data_idx].desc.vsel_mask = info->vmode;
>   		drvdata[data_idx].desc.enable_reg = res->start;
>   		drvdata[data_idx].desc.enable_mask = info->enable_mask;
> +		drvdata[data_idx].desc.enable_val = info->enable;
>
>   		cfg.init_data = pbias_matches[idx].init_data;
>   		cfg.driver_data = &drvdata[data_idx];
>

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