linux-kernel - Re: [PATCH] checkpatch: fix spurious vendor compatible warnings

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Message-ID: <1393545229.24588.147.camel@joe-AO722>
Date:	Thu, 27 Feb 2014 15:53:49 -0800
From:	Joe Perches <joe@...ches.com>
To:	florian.vaussard@...l.ch
Cc:	Andy Whitcroft <apw@...onical.com>, Rob Herring <robh@...nel.org>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] checkpatch: fix spurious vendor compatible warnings

On Thu, 2014-02-27 at 21:24 +0100, Florian Vaussard wrote:
> On 02/27/2014 09:10 PM, Joe Perches wrote:
> > On Thu, 2014-02-27 at 20:56 +0100, Florian Vaussard wrote:
> >> With a compatible string like
> >> compatible = "foo";
> >> checkpatch will currently try to find "foo" in  vendor-prefixes.txt,
> >> which is wrong since the vendor prefix is empty in this specific case.
[]
> > Some vendor names have dashes.
> > I don't know if underscores are allowed.
> > 
> > $ grep -rP --include=*.[ch] -oh "compatible\s*=\s*\"[^,]+,\w" * | \
> >   sed -r -e 's/\s//g' -e 's/,.$//' | sort | uniq -c | grep "[_-]"
> >       1 compatible="active-semi
> >       8 compatible="asahi-kasei
[]
> In ePAPR v1.1, I could not find any strict requirement. It
> is just saying:
> 
> The recommended format is “manufacturer,model”, where manufacturer is a
> string describing the name of the manufacturer (such as a stock ticker
> symbol), and model specifies the model number.

Should there also be a check in .c and .h files for
	.compatible = "somestring"
and
	OF_DEV_AUXDATA("somestring",,,,)

?

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