diff options
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 ba2cadb..50cebd6 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 */ |