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

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Date:	Wed, 21 May 2014 10:17:27 +0200
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Mike Looijmans <mike.looijmans@...ic.nl>
Cc:	linux-i2c@...r.kernel.org,
	davinci-linux-open-source@...ux.davincidsp.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c-davinci: Handle signals gracefully


> >  		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.



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