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Date:   Thu, 06 Jun 2019 10:05:04 -0700
From:   Stephen Boyd <sboyd@...nel.org>
To:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        linux-kernel@...r.kernel.org, stefan.wahren@...e.com
Cc:     mbrugger@...e.de, viresh.kumar@...aro.org, rjw@...ysocki.net,
        eric@...olt.net, f.fainelli@...il.com,
        bcm-kernel-feedback-list@...adcom.com, ptesarik@...e.com,
        linux-rpi-kernel@...ts.infradead.org, ssuloev@...altech.com,
        linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        mturquette@...libre.com, linux-pm@...r.kernel.org,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
Subject: Re: [PATCH v2 5/7] clk: raspberrypi: register platform device for raspberrypi-cpufreq

Quoting Nicolas Saenz Julienne (2019-06-06 07:22:58)
> diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c
> index b1365cf19f3a..052296b5fbe4 100644
> --- a/drivers/clk/bcm/clk-raspberrypi.c
> +++ b/drivers/clk/bcm/clk-raspberrypi.c
> @@ -63,6 +63,8 @@ struct raspberrypi_firmware_prop {
>         __le32 disable_turbo;
>  } __packed;
>  
> +static struct platform_device *rpi_cpufreq;

Why can't this be stored in platform driver data?

> +
>  static int raspberrypi_clock_property(struct rpi_firmware *firmware, u32 tag,
>                                       u32 clk, u32 *val)
>  {
> @@ -285,6 +287,17 @@ static int raspberrypi_clk_probe(struct platform_device *pdev)
>                 return ret;
>         }
>  
> +       rpi_cpufreq = platform_device_register_data(dev, "raspberrypi-cpufreq",
> +                                                   -1, NULL, 0);
> +
> +       return 0;
> +}
> +
> +static int raspberrypi_clk_remove(struct platform_device *pdev)
> +{
> +       platform_device_unregister(rpi_cpufreq);
> +       rpi_cpufreq = NULL;

This assignment to NULL looks unnecessary.

> +
>         return 0;
>  }
>  

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