Re: [PATCH] i2c-davinci: Handle signals gracefully

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On 05/21/2014 10:17 AM, Wolfram Sang wrote:

  		dev_err(dev->dev, "controller timed out\n");
  		davinci_i2c_recover_bus(dev);
  		i2c_davinci_init(dev);
@@ -384,7 +384,6 @@ i2c_davinci_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, int stop)
  	if (dev->buf_len) {
  		/* This should be 0 if all bytes were transferred
  		 * or dev->cmd_err denotes an error.
-		 * A signal may have aborted the transfer.
  		 */
  		if (r >= 0) {
  			dev_err(dev->dev, "abnormal termination buf_len=%i\n",
@@ -436,22 +435,24 @@ i2c_davinci_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
  	ret = i2c_davinci_wait_bus_not_busy(dev, 1);
  	if (ret < 0) {
  		dev_warn(dev->dev, "timeout waiting for bus ready\n");
-		return ret;
+		goto error;

You are fixing the error path here to include the completion? This is a
seperate patch IMO.

Is my remark true? I still prefer the seperate patch, but we may also
simply update the commit message.

Your remarks is correct. All your remarks were. Problem currently is that I'm not assigned to a project related to the davinci so I cannot spend time to fix and port it (the actual platform still runs 2.6.37).

Feel free to adap my patch or comments and commit. Or wait a few weeks for when I have a sponsor to split and update the patch.

--
Mike Looijmans
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