diff options
| author | Tom Rini <trini@ti.com> | 2014-01-20 07:51:22 -0500 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-01-20 07:51:22 -0500 |
| commit | 55ca99f8940e230366cadd522702fac9f962e904 (patch) | |
| tree | d767ca262f9d015df4b1c18aa80468a97fccdc5c /drivers/i2c/rcar_i2c.c | |
| parent | 4641c211f6e37454c30770521c4de79c725036b0 (diff) | |
| parent | dccacbe01968f9e682cb1dc9b7d43c831897cbec (diff) | |
Merge branch 'master' of git://git.denx.de/u-boot-i2c
Diffstat (limited to 'drivers/i2c/rcar_i2c.c')
| -rw-r--r-- | drivers/i2c/rcar_i2c.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/i2c/rcar_i2c.c b/drivers/i2c/rcar_i2c.c index ba2cadb17e..50cebd622b 100644 --- a/drivers/i2c/rcar_i2c.c +++ b/drivers/i2c/rcar_i2c.c @@ -119,11 +119,13 @@ 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); - while ((readl(&dev->icmsr) & (MSR_MAT | MSR_MDE)) - != (MSR_MAT | MSR_MDE)) + while ((readl(&dev->icmsr) & (MSR_MAT | MSR_MDR)) + != (MSR_MAT | MSR_MDR)) udelay(10); /* clear ESG */ |