Re: [PATCH v2 3/3] drm/mediatek: dp: Fix warning in mtk_dp_video_mute()

[AngeloGioacchino Del Regno]

Il 16/09/22 15:38, Bo-Chen Chen ha scritto:

Warning:
../drivers/gpu/drm/mediatek/mtk_dp.c: In function ‘mtk_dp_video_mute’:
../drivers/gpu/drm/mediatek/mtk_dp.c:947:23: warning: format ‘%x’
expects argument of type ‘unsigned int’, but argument 4 has type ‘long
unsigned int’ [-Wformat=]
   947 |  dev_dbg(mtk_dp->dev, "smc cmd: 0x%x, p1: 0x%x, ret: 0x%lx-0x%lx\n",
       |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../include/linux/dev_printk.h:129:27: note: in definition of macro ‘dev_printk’
   129 |   _dev_printk(level, dev, fmt, ##__VA_ARGS__);  \
       |                           ^~~
../include/linux/dev_printk.h:163:31: note: in expansion of macro ‘dev_fmt’
   163 |   dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \
       |                               ^~~~~~~
../drivers/gpu/drm/mediatek/mtk_dp.c:947:2: note: in expansion of
macro ‘dev_dbg’
   947 |  dev_dbg(mtk_dp->dev, "smc cmd: 0x%x, p1: 0x%x, ret: 0x%lx-0x%lx\n",
       |  ^~~~~~~
../drivers/gpu/drm/mediatek/mtk_dp.c:947:36: note: format string is defined here
   947 |  dev_dbg(mtk_dp->dev, "smc cmd: 0x%x, p1: 0x%x, ret: 0x%lx-0x%lx\n",
       |                                   ~^
       |                                    |
       |                                    unsigned int
       |                                   %lx

To fix this issue, we use %s to replace 0x%x.

Fixes: f70ac097a2cf ("drm/mediatek: Add MT8195 Embedded DisplayPort driver")
Reported-by: Chun-Kuang Hu <chunkuang...@kernel.org>
Signed-off-by: Bo-Chen Chen <rex-bc.c...@mediatek.com>
Reviewed-by: Matthias Brugger <matthias....@gmail.com>

Reviewed-by: AngeloGioacchino Del Regno 
<angelogioacchino.delre...@collabora.com>