linux-kernel - Re: [PATCH 01/40] drm/amd/display/dc/dce/dce_aux: Mark 'dce_aux_transfer_raw' as __maybe_unused

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Message-ID: <CADnq5_OCbxmN+OPFcc1-ROFfJoLHnOgMnAQLNNrTuAS176MjMA@mail.gmail.com>
Date:   Tue, 12 Jan 2021 16:57:20 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Leo Li <sunpeng.li@....com>, LKML <linux-kernel@...r.kernel.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        David Airlie <airlied@...ux.ie>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>
Subject: Re: [PATCH 01/40] drm/amd/display/dc/dce/dce_aux: Mark
 'dce_aux_transfer_raw' as __maybe_unused

On Mon, Jan 11, 2021 at 2:19 PM Lee Jones <lee.jones@...aro.org> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_aux.c: In function ‘dce_aux_transfer_raw’:
>  drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_aux.c:579:7: warning: variable ‘bytes_replied’ set but not used [-Wunused-but-set-variable]
>
> Cc: Harry Wentland <harry.wentland@....com>
> Cc: Leo Li <sunpeng.li@....com>
> Cc: Alex Deucher <alexander.deucher@....com>
> Cc: "Christian König" <christian.koenig@....com>
> Cc: David Airlie <airlied@...ux.ie>
> Cc: Daniel Vetter <daniel@...ll.ch>
> Cc: amd-gfx@...ts.freedesktop.org
> Cc: dri-devel@...ts.freedesktop.org
> Signed-off-by: Lee Jones <lee.jones@...aro.org>

Applied.  Thanks!

Alex

> ---
>  drivers/gpu/drm/amd/display/dc/dce/dce_aux.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c
> index 3204292a5aeae..d51b5fe91287d 100644
> --- a/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c
> +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_aux.c
> @@ -576,7 +576,7 @@ int dce_aux_transfer_raw(struct ddc_service *ddc,
>         *operation_result = get_channel_status(aux_engine, &returned_bytes);
>
>         if (*operation_result == AUX_CHANNEL_OPERATION_SUCCEEDED) {
> -               int bytes_replied = 0;
> +               int __maybe_unused bytes_replied = 0;
>                 bytes_replied = read_channel_reply(aux_engine, payload->length,
>                                          payload->data, payload->reply,
>                                          &status);
> --
> 2.25.1
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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