i2c: xiic: Do not continue in case of errors in Rx

In case of error conditions like Arbitration lost or NACK lets signal
the waiting process.

Handle error cases in the Rx path

Signed-off-by: Shubhrajyoti Datta <shubhraj@xilinx.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index 987a18c8b6e338f86878aa3e0dd1b1f3ad75e2b3..e23a7b068c601906bb1b245d637b0413c2b2c29f 100644 (file)
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -399,6 +399,8 @@ static irqreturn_t xiic_process(int irq, void *dev_id)
                 */
                xiic_reinit(i2c);
 
+               if (i2c->rx_msg)
+                       xiic_wakeup(i2c, STATE_ERROR);
                if (i2c->tx_msg)
                        xiic_wakeup(i2c, STATE_ERROR);
        }