From patchwork Tue Apr 28 06:31:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Yan X-Patchwork-Id: 11513913 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3286F92C for ; Tue, 28 Apr 2020 06:32:42 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 05CFD206D7 for ; Tue, 28 Apr 2020 06:32:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="DGeVUg6b" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 05CFD206D7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=TJMftqgAGdCqvgMRQTh5AkIn60OUUWfU6Pk6lJT3e4I=; b=DGeVUg6b35mVGZ FP/C6HU+/N6JAykB/nSTO5P/Y7cf3ie9MsfB026YQZ/4IvyvIQF+xUBiK1mitd+YJw0VgaGkYqFsB RJhd770RgnnvOpYiK0UI+KAjQ4qFb7jyajqa1wQpBJmoQKLA0zt25sBd4tJoKU3xS2Y39AY1cXVQx OHZSRPjOqd7a3rQ4E8C0gqOMvMmsCaNU+a80goto3NwfCNpupo1Xrc/7Gr+uEcmJZVoUaitn8O3JY U0uMjIO0GcOZTfgPcNc59Mi3/XcUPtaAhNJkpklkLqsrU5ip+9Nbz6LrTYl9l2e3wB97jinRDKBxC JTKhn9Zp/YzZu+48X5oA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTJnJ-0005Gf-Em; Tue, 28 Apr 2020 06:32:37 +0000 Received: from szxga05-in.huawei.com ([45.249.212.191] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jTJnG-0005Ez-6f for linux-arm-kernel@lists.infradead.org; Tue, 28 Apr 2020 06:32:35 +0000 Received: from DGGEMS411-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 1C6034743E8AD600B435; Tue, 28 Apr 2020 14:32:22 +0800 (CST) Received: from huawei.com (10.175.124.28) by DGGEMS411-HUB.china.huawei.com (10.3.19.211) with Microsoft SMTP Server id 14.3.487.0; Tue, 28 Apr 2020 14:32:12 +0800 From: Jason Yan To: , , , , , , , Subject: [PATCH] i2c: s3c2410: make i2c_s3c_irq_nextbyte() void Date: Tue, 28 Apr 2020 14:31:38 +0800 Message-ID: <20200428063138.26463-1-yanaijie@huawei.com> X-Mailer: git-send-email 2.21.1 MIME-Version: 1.0 X-Originating-IP: [10.175.124.28] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200427_233234_425978_418456E0 X-CRM114-Status: UNSURE ( 9.18 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [45.249.212.191 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -0.0 SPF_HELO_PASS SPF: HELO matches SPF record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jason Yan Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Fix the following coccicheck warning: drivers/i2c/busses/i2c-s3c2410.c:391:5-8: Unneeded variable: "ret". Return "0" on line 552 Signed-off-by: Jason Yan --- drivers/i2c/busses/i2c-s3c2410.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 5a5638e1daa1..22315d8f616f 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -136,7 +136,7 @@ static const struct platform_device_id s3c24xx_driver_ids[] = { }; MODULE_DEVICE_TABLE(platform, s3c24xx_driver_ids); -static int i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat); +static void i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat); #ifdef CONFIG_OF static const struct of_device_id s3c24xx_i2c_match[] = { @@ -384,11 +384,10 @@ static inline int is_msgend(struct s3c24xx_i2c *i2c) /* * process an interrupt and work out what to do */ -static int i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) +static void i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) { unsigned long tmp; unsigned char byte; - int ret = 0; switch (i2c->state) { @@ -549,7 +548,7 @@ static int i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat) tmp &= ~S3C2410_IICCON_IRQPEND; writel(tmp, i2c->regs + S3C2410_IICCON); out: - return ret; + return; } /*