From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x224yr5v4juoBmUw/MnfBs3U87vhb7sFHyeGxWYayNxmBHuOFqUW2D5jwoqcNfpf4mhG+/zDG ARC-Seal: i=1; a=rsa-sha256; t=1519411174; cv=none; d=google.com; s=arc-20160816; b=f6svxIvGZt2JB2fEgfhXZg4+AdBnM7pDpB2oSfzoZDIieb8DtbvHFHHhcnM6hTi/+E m5lrbk6pBbuPIs1dgE2VgfOIGcwE1OwASiXPL4gSH2pjhpvGywgrHPPMRS2jfMyCNi1M 63AWEttZZ0ErfC5jTRWuN+Zvnvb3FVjGc9Bt3NA0elE2A6rBCpPLe/53lYFopFN9ugi/ shCoyyT+M3IlUCQ1ybGxMz+k/BAyQBHUqY2m/GbO673s1pzdtYxeotCpUOOZq1N/D5G1 3nsG+AHvicCPpoZTcI/0At1m0XL9v+x2hJadTxXdYemsre/uMcr2pR3laZAQFDB6q6tZ L7TQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=cvxvedj7WFIfSEySznpzeZuDN1lts0NAkg7wkqziX/E=; b=ifqSkpZk5K3wTqQUkRhCU5jymYmTJb8djGe5GXrpB4/R6nYJbDTw4l7X+Femwbj+FD 6AefVkt7TVdhCcO/aEpe4uley8HfthVN3E+vbeSHfaqW9wfFJmXVSToyrQsJ3LHI9pUK sC8kwoRw1IE9wrWMQusN+eVGQWXjtXB4APZvqoOUQx192vEekcO+CS0U3EKnJ6O1XqlL oX41ycfNAFifK+rgNaCZAqmQV4/QFAcAxUhy5bsZzRBps3t1Mev6slvhTHUnwEbBOzKO 7nSweVGXxwF8Pkag95lTi0+JqKQVNgYTqOJwLsbRcuVj3T4GCOOlxBNS1ofKLzianA4E /1Gg== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.71.90 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.71.90 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jun Nie , Shawn Guo , Vinod Koul Subject: [PATCH 4.4 145/193] dmaengine: zx: fix build warning Date: Fri, 23 Feb 2018 19:26:18 +0100 Message-Id: <20180223170348.613101917@linuxfoundation.org> X-Mailer: git-send-email 2.16.2 In-Reply-To: <20180223170325.997716448@linuxfoundation.org> References: <20180223170325.997716448@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1593218091104160215?= X-GMAIL-MSGID: =?utf-8?q?1593218091104160215?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jun Nie commit 067fdeb2f391bfa071f741a2b3eb74b8ff3785cd upstream. Fix build warning that related to PAGE_SIZE. The maximum DMA length has nothing to do with PAGE_SIZE, just use a fix number for the definition. drivers/dma/zx_dma.c: In function 'zx_dma_prep_memcpy': drivers/dma/zx_dma.c:523:8: warning: division by zero [-Wdiv-by-zero] drivers/dma/zx_dma.c: In function 'zx_dma_prep_slave_sg': drivers/dma/zx_dma.c:567:11: warning: division by zero [-Wdiv-by-zero] Signed-off-by: Jun Nie Tested-by: Shawn Guo Signed-off-by: Vinod Koul Signed-off-by: Greg Kroah-Hartman --- drivers/dma/zx296702_dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/dma/zx296702_dma.c +++ b/drivers/dma/zx296702_dma.c @@ -26,7 +26,7 @@ #define DRIVER_NAME "zx-dma" #define DMA_ALIGN 4 -#define DMA_MAX_SIZE (0x10000 - PAGE_SIZE) +#define DMA_MAX_SIZE (0x10000 - 512) #define LLI_BLOCK_SIZE (4 * PAGE_SIZE) #define REG_ZX_SRC_ADDR 0x00