From mboxrd@z Thu Jan 1 00:00:00 1970 From: kaixu.xia@linaro.org (Xia Kaixu) Date: Tue, 29 Apr 2014 19:18:25 +0800 Subject: [PATCH 04/15] ASoC: samsung-idma: avoid 64-bit division In-Reply-To: <1398770316-19715-1-git-send-email-kaixu.xia@linaro.org> References: <1398770316-19715-1-git-send-email-kaixu.xia@linaro.org> Message-ID: <1398770316-19715-5-git-send-email-kaixu.xia@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Arnd Bergmann dma_addr_t may be 64 bit wide, which causes a build failure when doing a division on it. Here it is safe to cast to an u32 type, which avoids the problem. Signed-off-by: Arnd Bergmann Signed-off-by: Xia Kaixu Cc: Mark Brown Cc: Liam Girdwood Cc: Ben Dooks Cc: Kukjin Kim Cc: Sangbeom Kim Cc: linux-arm-kernel at lists.infradead.org Cc: linux-samsung-soc at vger.kernel.org Cc: alsa-devel at alsa-project.org --- sound/soc/samsung/idma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/samsung/idma.c b/sound/soc/samsung/idma.c index 3d5cf15..e9891b4 100644 --- a/sound/soc/samsung/idma.c +++ b/sound/soc/samsung/idma.c @@ -274,7 +274,7 @@ static irqreturn_t iis_irq(int irqno, void *dev_id) addr = readl(idma.regs + I2SLVL0ADDR) - idma.lp_tx_addr; addr += prtd->periodsz; - addr %= (prtd->end - prtd->start); + addr %= (u32)(prtd->end - prtd->start); addr += idma.lp_tx_addr; writel(addr, idma.regs + I2SLVL0ADDR); -- 1.7.9.5