i2c: lpc32xx: fix read timeout

Fix a condition that generate watchdog timeout inside "lpc32xx_i2c_read" when parameters alen != 0 and len = 0.

Signed-off-by: Sylvain Lemieux <slemieux@tycoint.com>

diff --git a/drivers/i2c/lpc32xx_i2c.c b/drivers/i2c/lpc32xx_i2c.c
index 98106fa..4c66769 100644 (file)
--- a/drivers/i2c/lpc32xx_i2c.c
+++ b/drivers/i2c/lpc32xx_i2c.c
@@ -172,12 +172,12 @@ static int lpc32xx_i2c_read(struct i2c_adapter *adap, u8 dev, uint addr,
                                *(data++) = readl(&i2c->rx);
                        }
                }
+               /* wait for end of transation */
+               while (!((stat = readl(&i2c->stat)) & LPC32XX_I2C_STAT_TDI))
+                       ;
+               /* clear end-of-transaction flag */
+               writel(1, &i2c->stat);
        }
-       /* wait for end of transation */
-       while (!((stat = readl(&i2c->stat)) & LPC32XX_I2C_STAT_TDI))
-               ;
-       /* clear end-of-transaction flag */
-       writel(1, &i2c->stat);
        /* success */
        return 0;
 }