[U-Boot] [PATCH] checkpatch.pl: Fix checkpatch.pl warnings with Perl 5.22

[Tom Rini <trini@konsulko.com>]

On Mon, Nov 30, 2015 at 03:57:12PM +0000, Alexey Brodkin wrote:
> Hi Tom,
> 
> On Mon, 2015-11-30 at 10:56 -0500, Tom Rini wrote:
> > On Mon, Nov 30, 2015 at 10:23:20AM +0000, Alexey Brodkin wrote:
> > > Hi Joe,
> > > 
> > > On Thu, 2015-09-03 at 15:46 -0500, Joe Hershberger wrote:
> > > > Hi Moritz,
> > > > 
> > > > On Thu, Sep 3, 2015 at 2:25 PM, Moritz Fischer <moritz.fischer@ettus.com> wrote:
> > > > > This patch fixes a bunch of deprecation warings that show up when using
> > > > > checkpatch.pl with Perl 5.22.
> > > > > 
> > > > > Unescaped left brace in regex is deprecated, passed through in regex;
> > > > > marked by <-- HERE in m/\#\s*define.*do\s{ <-- HERE / at
> > > > > ./scripts/checkpatch.pl line 2829.
> > > > > 
> > > > > Unescaped left brace in regex is deprecated, passed through in regex;
> > > > > marked by <-- HERE in m/\(.*\){ <-- HERE / at
> > > > > ./scripts/checkpatch.pl line 3262.
> > > > > 
> > > > > Unescaped left brace in regex is deprecated, passed through in regex;
> > > > > marked by <-- HERE in m/do{ <-- HERE / at
> > > > > ./scripts/checkpatch.pl line 3263.
> > > > > 
> > > > > Unescaped left brace in regex is deprecated, passed through in regex;
> > > > > marked by <-- HERE in m/^\({ <-- HERE / at
> > > > > ./scripts/checkpatch.pl line 3636.
> > > > > 
> > > > > Unescaped left brace in regex is deprecated, passed through in regex;
> > > > > marked by <-- HERE in m/(?^x:
> > > > > 
> > > > > Signed-off-by: Moritz Fischer <moritz.fischer@ettus.com>
> > > > 
> > > > Please submit this and have it accepted in the Linux tree. We will
> > > > then pull it in here once it is accepted there.
> > > 
> > > Similar fix is already in Linus' master tree, see
> > > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4e5d56bdf892e18832a6540b63ebf709966bce2a
> > > 
> > > Also note:
> > >  [1] That commit from Linux tree won't apply cleanly on U-Boot
> > >      due to a bit different context.
> > >  [2] Even if manually tweaked it looks like it is incomplete:
> > >      ------------------->8-------------------
> > >      )\(.*\).*\s{ <-- HERE /@scripts/checkpatch.pl line 2828.
> > >      ------------------->8-------------------
> > > 
> > > So with above in mind could you please apply that patch posted by
> > > Moritz?
> > > 
> > > This fixes checkpatch in Fedora 23 - in current state it is way too noisy.
> > 
> > Maybe we just need to re-sync again?
> > 
> 
> Do you mean to copy entire checkpatch.pl over from Linux to U-Boot?

Not quite blindly, we have an intentional change or two (I _think_ the
change for __packed detection / warning was rejected upstream, memory is
hazy) but by and large yes, it's just an import from the kernel anyhow.

-- 
Tom
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