i2c: tegra: remove warning dump if timeout happen in transfer
authorLaxman Dewangan <ldewangan@nvidia.com>
Thu, 14 Feb 2013 12:43:33 +0000 (18:13 +0530)
committerWolfram Sang <wolfram@the-dreams.de>
Fri, 15 Feb 2013 20:08:29 +0000 (21:08 +0100)
If timeout error occurs in the i2c transfer then it was dumping warning
of call stack.

Remove the warning dump as there is may be possibility that some slave
devices are busy and not responding the i2c communication.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Wolfram Sang <wolfram@the-dreams.de>
drivers/i2c/busses/i2c-tegra.c

index 2dadb96..e58a58d 100644 (file)
@@ -588,7 +588,7 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_dev *i2c_dev,
        ret = wait_for_completion_timeout(&i2c_dev->msg_complete, TEGRA_I2C_TIMEOUT);
        tegra_i2c_mask_irq(i2c_dev, int_mask);
 
-       if (WARN_ON(ret == 0)) {
+       if (ret == 0) {
                dev_err(i2c_dev->dev, "i2c transfer timed out\n");
 
                tegra_i2c_init(i2c_dev);