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>

diff --git a/drivers/i2c/rcar_i2c.c b/drivers/i2c/rcar_i2c.c
index 01c98d4..50cebd6 100644 (file)
--- 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);