From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x224WrxIBlGfdj0/1yYiuqIysFjaIi1UzA1GxxlbkapB7doPkihlZGFhSW5paEQ2qryOTKjSj ARC-Seal: i=1; a=rsa-sha256; t=1519127980; cv=none; d=google.com; s=arc-20160816; b=pGitAhQkgPnIhxjf7BxCGfUiSgrPPX7q4nPvfJnIf83ncZ+HTU2HIJH8yREU86RfPt YIZ4lb2tpbl77+yXGV9+s85q2mLozfgTPtrGt31HHFiUWkZ3TrVDSwby+OGw7Gk+oiIb C8ScJreoRSdcA9GQKPBf8VD5vD06h+YNgRozYelGz0IN986Zq3nmTUBjTSfkyZ1bU1w7 bFdzt56MkL2Xs8UeDpTyckzmMfN70cZhk10W+JulG4hcALURuY7yj66H7h8QQ+6y2jpi JEWotn+trcPSOdjs427U9XydlgDvuzz1I6khHhL2lzgEQgeePYKxyePRRxeLoz7/fGTk EuSA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=references:in-reply-to:message-id:date:subject:cc:to:from :arc-authentication-results; bh=BSMY3QHYJVeiTCS8YsbcByc2ivKYqApa3wqOoW8mehU=; b=ueoCAnijPKrFW6lZAGzm0c3+55+6RX4RbDSVrobaf13NHSjFmK8SYHcv+0rymTR6U5 oI8M6HbCvrjwj/r6zG1AkSMzRJTwpn7y2+LKlspzUvcydXaR9g4d7hTJb7BsZiytATTG blbEoW/V8iFhKpkADAXxJ9beDwdLUvg/w1SKFPtPiOKvMDBVoRcwLBaeF8czLSe8x6VR Z/ErGaCdlH9PsltDtnSc8jX0p5+BpNVxEUgjOtm4gmurO6t8vphcU1kPci3GtAoEhFCk nJKetBRWF7qrJYdOKzaDyMpac7ueTpfGMh85vRgcpzIzy3fmxVt/D9aFNbfzUTPQAh18 0HHw== ARC-Authentication-Results: i=1; mx.google.com; spf=neutral (google.com: 217.72.192.73 is neither permitted nor denied by best guess record for domain of arnd@arndb.de) smtp.mailfrom=arnd@arndb.de Authentication-Results: mx.google.com; spf=neutral (google.com: 217.72.192.73 is neither permitted nor denied by best guess record for domain of arnd@arndb.de) smtp.mailfrom=arnd@arndb.de From: Arnd Bergmann To: stable@vger.kernel.org Cc: Greg KH , linux-kernel@vger.kernel.org, Jun Nie , Vinod Koul , Arnd Bergmann , Dan Williams , Shawn Guo , Sasha Levin , dmaengine@vger.kernel.org Subject: [4.4-stable 16/22] dmaengine: zx: fix build warning Date: Tue, 20 Feb 2018 12:55:03 +0100 Message-Id: <20180220115527.1806578-17-arnd@arndb.de> X-Mailer: git-send-email 2.9.0 In-Reply-To: <20180220115527.1806578-1-arnd@arndb.de> References: <20180220115527.1806578-1-arnd@arndb.de> X-Provags-ID: V03:K0:tc+AkfOPIj+mbEMAmdIVXHozh5l7Chf65N3urJFqVsks5T7RYDh +cED9PmjxbruYoGzjmlEw6dM9fRafibBqI/6zsGpjFmWI/HUeWrA1seiHns2YjHUpIEWTBM dnrKI1MxCUDG1EebyHzKeEGOza58KP5an265IRrI/0TQ4m/8SPZz0FwYZFaVasnHvxEUAQ1 fPisZh1ernhpvFdior7Kg== X-UI-Out-Filterresults: notjunk:1;V01:K0:A27fwyVOJN4=:pGHD7iCr1oftl9xxeLztwu WfCkVPzeRKFZuhidyIDrn0ln3aYZa57G8RlITvXCYbEwk5RH/iu4Xj/fgBk+7lXhLD1XSpZC7 NYCaFmg6pSV0gYM0p8AR9uSdxJqp6lUelhevyl1S0s9AG9w/0x5iS+Q2481LUq68tEQjmA37A MA3BtD2sclVLSTiwD/TVGt1mKnDTIcMFi/FfWgj/PSBDBDQxpdpYuAu5PC1QyuTw2etxWHKxc 5l/lWzvWpW8HEA0Ynuq6xgcpVdDguo9Iwkr+cOM4n/DpuPc36jsKvCd+md+l6TA2J/ug+9uTS 7Dx3GNkwy+qLH8FLyRVt/K/ZWjI1veC8RUSoU4l2ng+f8l+rcTGxMFB2MGuG1bOKUKrcM5Ht0 Ht0b7Gc2tuG2oxJoMNGQzQiZBu42LIBKVTv5YeBc4xt6Be5CPjbct2P0g3oYC7s0ND6hZNn3d YDqAbdSsD6t0+oiiZIJII8jg/inZTe5AFwgIMa6Txxwso6Mddndv3PHXK3PW64UxUuJJWPvWF vvi8KG/NkztRzG8ZgiFOfap9tNp/ssiuyLnifrkJE1Z0MFosRIpyleUFvGCi2TySrekdnWXxx SWaaNPOg0CM1f1YAgl6vvC09fEOTnbaonfKR1w7AoZIpDTsoxqvyAf/2UDAofoM3i6em6+X/p pJh1HwCnXbNuCZpi7g71fVqXBKtMlQ7xSbNx0QgnlmUDXaI8CYIEzrybdFcIiOAv+og6cOZ27 mkMhBWRLov1ucLcKU/g/NbNjpwFv1vjB19DoKA== X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1592921141734722140?= X-GMAIL-MSGID: =?utf-8?q?1592921141734722140?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 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 [arnd: rebased to 4.4-stable] Signed-off-by: Arnd Bergmann --- drivers/dma/zx296702_dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/zx296702_dma.c b/drivers/dma/zx296702_dma.c index 6059d81e701a..8e55403847b2 100644 --- 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 -- 2.9.0