Messages in this thread Patch in this message | | | From | Xia Kaixu <> | Subject | [PATCH 04/15] ASoC: samsung-idma: avoid 64-bit division | Date | Tue, 29 Apr 2014 19:18:25 +0800 |
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From: Arnd Bergmann <arnd@arndb.de>
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 <arnd@arndb.de> Signed-off-by: Xia Kaixu <kaixu.xia@linaro.org> Cc: Mark Brown <broonie@kernel.org> Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: Sangbeom Kim <sbkim73@samsung.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: alsa-devel@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
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