linux-kernel - [PATCH] video: fbdev: omapfb: remove redundant variable checksum

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Date:   Tue,  1 Nov 2022 10:29:47 +0000
From:   Colin Ian King <colin.i.king@...il.com>
To:     Helge Deller <deller@....de>, linux-omap@...r.kernel.org,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] video: fbdev: omapfb: remove redundant variable checksum

Variable checksum is being used to accumulate values however
it is never read or used afterwards. It is redundant and can
be removed.

Signed-off-by: Colin Ian King <colin.i.king@...il.com>
---
 drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c
index cb63bc0e92ca..b33f62c5cb22 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5_core.c
@@ -129,7 +129,6 @@ static int hdmi_core_ddc_edid(struct hdmi_core_data *core, u8 *pedid, u8 ext)
 {
 	void __iomem *base = core->base;
 	u8 cur_addr;
-	char checksum = 0;
 	const int retries = 1000;
 	u8 seg_ptr = ext / 2;
 	u8 edidbase = ((ext % 2) * 0x80);
@@ -178,7 +177,6 @@ static int hdmi_core_ddc_edid(struct hdmi_core_data *core, u8 *pedid, u8 ext)
 		}
 
 		pedid[cur_addr] = REG_GET(base, HDMI_CORE_I2CM_DATAI, 7, 0);
-		checksum += pedid[cur_addr];
 	}
 
 	return 0;
-- 
2.37.3