summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorNobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>2013-12-11 15:49:28 +0900
committerHeiko Schocher <hs@denx.de>2014-01-13 08:16:48 +0100
commitda1ed0d20e992296aaafb75e545890bce933d340 (patch)
treee43996bfbeed451cfbe801ab8711d26e89478530
parentad5e14ecdd098cb1441b53862cb22e1c4ef05838 (diff)
downloadu-boot-imx-da1ed0d20e992296aaafb75e545890bce933d340.zip
u-boot-imx-da1ed0d20e992296aaafb75e545890bce933d340.tar.gz
u-boot-imx-da1ed0d20e992296aaafb75e545890bce933d340.tar.bz2
rcar_i2c: Clear status before start master receive
Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com> Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
-rw-r--r--drivers/i2c/rcar_i2c.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/i2c/rcar_i2c.c b/drivers/i2c/rcar_i2c.c
index 01c98d4..50cebd6 100644
--- a/drivers/i2c/rcar_i2c.c
+++ b/drivers/i2c/rcar_i2c.c
@@ -119,6 +119,8 @@ rcar_i2c_raw_read(struct rcar_i2c *dev, u8 chip, uint addr)
/* set slave address, receive */
writel((chip << 1) | 1, &dev->icmar);
+ /* clear status */
+ writel(0, &dev->icmsr);
/* start master receive */
writel(MCR_MDBS | MCR_MIE | MCR_ESG, &dev->icmcr);