linux-kernel - Re: [PATCH 1/1] staging: comedi: use __func_

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Date:   Sun, 30 Apr 2017 15:47:14 +0530
From:   Dhiru Kholia <dhiru.kholia@...il.com>
To:     Joe Perches <joe@...ches.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Ian Abbott <abbotti@....co.uk>,
        H Hartley Sweeten <hsweeten@...ionengravers.com>
Subject: Re: [PATCH 1/1] staging: comedi: use __func__ instead of hardcoded
 function name

On Sat, Apr 29, 2017 at 10:21:33AM -0700, Joe Perches wrote:
> On Sat, 2017-04-29 at 22:17 +0530, Dhiru Kholia wrote:
> > This coding style issue was found by checkpatch.pl script. Using
> > __func__ instead of hardcoded function name should help in future
> > refactoring of this code.
> > 
> >  	if (loop_limit <= 0) {
> >  		dev_warn(dev->class_dev,
> > -			 "loop_limit reached in daqp_interrupt()\n");
> > +			 "loop_limit reached in %s()\n", __func__);
> 
> More common would be:
> 		dev_warn(dev->class_dev, "%s: loop limit reached\n", __func__);

Thanks for the feedback, Joe. I have sent out a v2 of this patch with
this suggestion applied.
 
> It also seems that the loop_limit test, a loop count,
> is sensitive on the cpu frequency and perhaps should
> be some timer based limit instead.

I am not familiar with this code at all. I am doing this patch as part
of "The Eudyptula Challenge" (http://eudyptula-challenge.org/).

Thanks,
Dhiru