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

From: AngeloGioacchino Del Regno
Date: Mon Sep 19 2022 - 04:05:55 EST


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.hu@xxxxxxxxxx>
Signed-off-by: Bo-Chen Chen <rex-bc.chen@xxxxxxxxxxxx>
Reviewed-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>