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[80.193.200.194]) by smtp.gmail.com with ESMTPSA id n44-20020a05600c502c00b003cf537ec2efsm132921wmr.36.2022.11.01.03.29.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Nov 2022 03:29:48 -0700 (PDT) From: Colin Ian King To: Helge Deller , linux-omap@vger.kernel.org, linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] video: fbdev: omapfb: remove redundant variable checksum Date: Tue, 1 Nov 2022 10:29:47 +0000 Message-Id: <20221101102947.27524-1-colin.i.king@gmail.com> X-Mailer: git-send-email 2.37.3 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1748289368448183087?= X-GMAIL-MSGID: =?utf-8?q?1748289368448183087?= 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 --- 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;