linux-kernel - Re: [PATCH] checkpatch.pl: Allow '+' in compatible strings

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Date:   Tue, 14 Jul 2020 10:12:00 -0700
From:   Joe Perches <joe@...ches.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>
Cc:     Andy Whitcroft <apw@...onical.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] checkpatch.pl: Allow '+' in compatible strings

On Tue, 2020-07-14 at 10:21 -0600, Rob Herring wrote:
> On Tue, Jul 14, 2020 at 3:41 AM Thierry Reding <thierry.reding@...il.com> wrote:
> > From: Thierry Reding <treding@...dia.com>
> > 
> > The current checks will interpret a '+' character as special because
> > they use regular expression matching. Escape the '+' character if it
> > appears in a compatible string.
> 
> Ugg, looks like c6x really liked using '+'. Might need to be added in
> schema checks, too. Not sure offhand.

These are the non alphanumeric characters used in .dts and .dtsi files
with 'compatible=' strings

- 44115
, 32035
. 1131
_ 259
+ 46
/ 18
) 5
( 5

So it looks like

	"("
	")"

need to be added and escaped too

?