diff options
Diffstat (limited to 'drivers/i2c/rcar_iic.c')
| -rw-r--r-- | drivers/i2c/rcar_iic.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/i2c/rcar_iic.c b/drivers/i2c/rcar_iic.c index e91fc86c1a..9d45f547d1 100644 --- a/drivers/i2c/rcar_iic.c +++ b/drivers/i2c/rcar_iic.c @@ -58,12 +58,14 @@ static void sh_irq_dte(struct udevice *dev) static int sh_irq_dte_with_tack(struct udevice *dev) { struct rcar_iic_priv *priv = dev_get_priv(dev); + u8 icsr; int i; for (i = 0; i < IRQ_WAIT; i++) { - if (RCAR_IC_DTE & readb(priv->base + RCAR_IIC_ICSR)) + icsr = readb(priv->base + RCAR_IIC_ICSR); + if (RCAR_IC_DTE & icsr) break; - if (RCAR_IC_TACK & readb(priv->base + RCAR_IIC_ICSR)) + if (RCAR_IC_TACK & icsr) return -ETIMEDOUT; udelay(10); } |