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rcar_i2c: Clear status before start master receive

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Signed-off-by: Hisashi Nakamura <hisashi.nakamura.ak@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
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Nobuhiro Iwamatsu 2013-12-11 15:49:28 +09:00 • committed by Heiko Schocher
parent ad5e14ecdd
commit da1ed0d20e
1 changed files with 2 additions and 0 deletions
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2
drivers/i2c/rcar_i2c.c
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@ -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);