linux-kernel - Re: [PATCH 3/9] gpio: xilinx: simplify getting .driver

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Date:   Wed, 22 Sep 2021 11:48:40 +0200
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Wolfram Sang <wsa+renesas@...g-engineering.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Shubhrajyoti Datta <shubhrajyoti.datta@...inx.com>,
        Srinivas Neeli <srinivas.neeli@...inx.com>,
        Michal Simek <michal.simek@...inx.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-gpio <linux-gpio@...r.kernel.org>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 3/9] gpio: xilinx: simplify getting .driver_data

On Mon, Sep 20, 2021 at 11:05 AM Wolfram Sang
<wsa+renesas@...g-engineering.com> wrote:
>
> We should get 'driver_data' from 'struct device' directly. Going via
> platform_device is an unneeded step back and forth.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
> ---
>
> Build tested only. buildbot is happy.
>
>  drivers/gpio/gpio-xilinx.c | 6 ++----
>  1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
> index a1b66338d077..b6d3a57e27ed 100644
> --- a/drivers/gpio/gpio-xilinx.c
> +++ b/drivers/gpio/gpio-xilinx.c
> @@ -371,8 +371,7 @@ static int __maybe_unused xgpio_resume(struct device *dev)
>
>  static int __maybe_unused xgpio_runtime_suspend(struct device *dev)
>  {
> -       struct platform_device *pdev = to_platform_device(dev);
> -       struct xgpio_instance *gpio = platform_get_drvdata(pdev);
> +       struct xgpio_instance *gpio = dev_get_drvdata(dev);
>
>         clk_disable(gpio->clk);
>
> @@ -381,8 +380,7 @@ static int __maybe_unused xgpio_runtime_suspend(struct device *dev)
>
>  static int __maybe_unused xgpio_runtime_resume(struct device *dev)
>  {
> -       struct platform_device *pdev = to_platform_device(dev);
> -       struct xgpio_instance *gpio = platform_get_drvdata(pdev);
> +       struct xgpio_instance *gpio = dev_get_drvdata(dev);
>
>         return clk_enable(gpio->clk);
>  }
> --
> 2.30.2
>

Applied, thanks!

Bart