Re: [PATCH v1 09/11] regulator: bd9576: switch to using devm_fwnode_gpiod_get()

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On Mon, Sep 5, 2022 at 9:33 AM Dmitry Torokhov
<dmitry.torokhov@xxxxxxxxx> wrote:
>
> I would like to stop exporting OF-specific devm_gpiod_get_from_of_node()
> so that gpiolib can be cleaned a bit, so let's switch to the generic
> fwnode property API.
>
> While at it switch the rest of the calls to read properties in
> bd957x_probe() to the generic device property API as well.

With or without below addressed,
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>

> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
>
> diff --git a/drivers/regulator/bd9576-regulator.c b/drivers/regulator/bd9576-regulator.c
> index aa42da4d141e..393c8693b327 100644
> --- a/drivers/regulator/bd9576-regulator.c
> +++ b/drivers/regulator/bd9576-regulator.c
> @@ -12,6 +12,7 @@
>  #include <linux/module.h>
>  #include <linux/of.h>
>  #include <linux/platform_device.h>
> +#include <linux/property.h>
>  #include <linux/regulator/driver.h>
>  #include <linux/regulator/machine.h>
>  #include <linux/regulator/of_regulator.h>
> @@ -939,8 +940,8 @@ static int bd957x_probe(struct platform_device *pdev)
>         }
>
>         ic_data->regmap = regmap;
> -       vout_mode = of_property_read_bool(pdev->dev.parent->of_node,
> -                                        "rohm,vout1-en-low");
> +       vout_mode = device_property_read_bool(pdev->dev.parent,
> +                                             "rohm,vout1-en-low");

They all using parent device and you may make code neater by adding

  struct device *parent = pdev->dev.parent;

at the definition block of the probe function.

>         if (vout_mode) {
>                 struct gpio_desc *en;
>
> @@ -948,10 +949,10 @@ static int bd957x_probe(struct platform_device *pdev)
>
>                 /* VOUT1 enable state judged by VOUT1_EN pin */
>                 /* See if we have GPIO defined */
> -               en = devm_gpiod_get_from_of_node(&pdev->dev,
> -                                                pdev->dev.parent->of_node,
> -                                                "rohm,vout1-en-gpios", 0,
> -                                                GPIOD_OUT_LOW, "vout1-en");
> +               en = devm_fwnode_gpiod_get(&pdev->dev,
> +                                          dev_fwnode(pdev->dev.parent),
> +                                          "rohm,vout1-en", GPIOD_OUT_LOW,
> +                                          "vout1-en");
>                 if (!IS_ERR(en)) {
>                         /* VOUT1_OPS gpio ctrl */
>                         /*
> @@ -986,8 +987,8 @@ static int bd957x_probe(struct platform_device *pdev)
>          * like DDR voltage selection.
>          */
>         platform_set_drvdata(pdev, ic_data);
> -       ddr_sel =  of_property_read_bool(pdev->dev.parent->of_node,
> -                                        "rohm,ddr-sel-low");
> +       ddr_sel = device_property_read_bool(pdev->dev.parent,
> +                                           "rohm,ddr-sel-low");
>         if (ddr_sel)
>                 ic_data->regulator_data[2].desc.fixed_uV = 1350000;
>         else
>
> --
> b4 0.10.0-dev-fc921



-- 
With Best Regards,
Andy Shevchenko



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