linux-kernel - [PATCH] video: fbdev: arkfb: Remove the unused function dac_read

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Message-Id: <20220914102301.87981-3-jiapeng.chong@linux.alibaba.com>
Date:   Wed, 14 Sep 2022 18:23:01 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     deller@....de
Cc:     linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] video: fbdev: arkfb: Remove the unused function dac_read_reg()

The function dac_read_reg() is defined in the arkfb.c file, but not
called elsewhere, so delete this unused function.

drivers/video/fbdev/arkfb.c:322:18: warning: unused function 'dac_read_reg'.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2155
Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/video/fbdev/arkfb.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/video/fbdev/arkfb.c b/drivers/video/fbdev/arkfb.c
index a317d9fe1d67..5f8fec9e5fd4 100644
--- a/drivers/video/fbdev/arkfb.c
+++ b/drivers/video/fbdev/arkfb.c
@@ -318,14 +318,6 @@ struct dac_info
 	void *data;
 };
 
-
-static inline u8 dac_read_reg(struct dac_info *info, u8 reg)
-{
-	u8 code[2] = {reg, 0};
-	info->dac_read_regs(info->data, code, 1);
-	return code[1];
-}
-
 static inline void dac_read_regs(struct dac_info *info, u8 *code, int count)
 {
 	info->dac_read_regs(info->data, code, count);
-- 
2.20.1.7.g153144c