linux-kernel - Re: [Patch v2 10/10] platform/x86/asus-wmi: using dev_get

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Date:   Thu, 4 Jul 2019 16:25:50 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Fuqian Huang <huangfq.daxian@...il.com>
Cc:     Corentin Chary <corentin.chary@...il.com>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        acpi4asus-user <acpi4asus-user@...ts.sourceforge.net>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [Patch v2 10/10] platform/x86/asus-wmi: using dev_get_drvdata directly

On Thu, Jul 4, 2019 at 5:37 AM Fuqian Huang <huangfq.daxian@...il.com> wrote:
>
> Several drivers cast a struct device pointer to a struct
> platform_device pointer only to then call platform_get_drvdata().
> To improve readability, these constructs can be simplified
> by using dev_get_drvdata() directly.

v1 had been applied.

> Signed-off-by: Fuqian Huang <huangfq.daxian@...il.com>
> ---
> Changes in v2:
>   - Make the commit message more clearly.
>
>  drivers/platform/x86/asus-wmi.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
> index 9b18a184e0aa..49049b02a015 100644
> --- a/drivers/platform/x86/asus-wmi.c
> +++ b/drivers/platform/x86/asus-wmi.c
> @@ -1353,8 +1353,7 @@ static umode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
>                                           struct attribute *attr, int idx)
>  {
>         struct device *dev = container_of(kobj, struct device, kobj);
> -       struct platform_device *pdev = to_platform_device(dev->parent);
> -       struct asus_wmi *asus = platform_get_drvdata(pdev);
> +       struct asus_wmi *asus = dev_get_drvdata(dev->parent);
>         int dev_id = -1;
>         int fan_attr = -1;
>         u32 value = ASUS_WMI_UNSUPPORTED_METHOD;
> --
> 2.11.0
>


-- 
With Best Regards,
Andy Shevchenko