linux-kernel - Re: [PATCH] drm/amdgpu: use default_groups in kobj

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Message-ID: <CADnq5_Mwxto+cp3MLmkWchzos8yeXaLqtJPFkZkyvWHR4_e+ug@mail.gmail.com>
Date:   Fri, 7 Jan 2022 16:08:45 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Jonathan Kim <jonathan.kim@....com>,
        Kevin Wang <kevin1.wang@....com>,
        David Airlie <airlied@...ux.ie>,
        Felix Kuehling <Felix.Kuehling@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>, Tao Zhou <tao.zhou1@....com>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        Alex Deucher <alexander.deucher@....com>,
        shaoyunl <shaoyun.liu@....com>,
        John Clements <john.clements@....com>,
        Christian König <christian.koenig@....com>,
        Hawking Zhang <Hawking.Zhang@....com>
Subject: Re: [PATCH] drm/amdgpu: use default_groups in kobj_type

On Thu, Jan 6, 2022 at 4:56 AM Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> There are currently 2 ways to create a set of sysfs files for a
> kobj_type, through the default_attrs field, and the default_groups
> field.  Move the amdgpu sysfs code to use default_groups field which has
> been the preferred way since aa30f47cf666 ("kobject: Add support for
> default attribute groups to kobj_type") so that we can soon get rid of
> the obsolete default_attrs field.
>
> Cc: Alex Deucher <alexander.deucher@....com>
> Cc: "Christian König" <christian.koenig@....com>
> Cc: "Pan, Xinhui" <Xinhui.Pan@....com>
> Cc: David Airlie <airlied@...ux.ie>
> Cc: Daniel Vetter <daniel@...ll.ch>
> Cc: Hawking Zhang <Hawking.Zhang@....com>
> Cc: John Clements <john.clements@....com>
> Cc: Felix Kuehling <Felix.Kuehling@....com>
> Cc: Jonathan Kim <jonathan.kim@....com>
> Cc: Kevin Wang <kevin1.wang@....com>
> Cc: shaoyunl <shaoyun.liu@....com>
> Cc: Tao Zhou <tao.zhou1@....com>
> Cc: amd-gfx@...ts.freedesktop.org
> Cc: dri-devel@...ts.freedesktop.org
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

Applied.  Thanks!

Alex

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
> index 567df2db23ac..94dcb004988d 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
> @@ -208,6 +208,7 @@ static struct attribute *amdgpu_xgmi_hive_attrs[] = {
>         &amdgpu_xgmi_hive_id,
>         NULL
>  };
> +ATTRIBUTE_GROUPS(amdgpu_xgmi_hive);
>
>  static ssize_t amdgpu_xgmi_show_attrs(struct kobject *kobj,
>         struct attribute *attr, char *buf)
> @@ -237,7 +238,7 @@ static const struct sysfs_ops amdgpu_xgmi_hive_ops = {
>  struct kobj_type amdgpu_xgmi_hive_type = {
>         .release = amdgpu_xgmi_hive_release,
>         .sysfs_ops = &amdgpu_xgmi_hive_ops,
> -       .default_attrs = amdgpu_xgmi_hive_attrs,
> +       .default_groups = amdgpu_xgmi_hive_groups,
>  };
>
>  static ssize_t amdgpu_xgmi_show_device_id(struct device *dev,
> --
> 2.34.1
>