linux-kernel - Re: i686 quirk for AMD Geode

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Date:	Fri, 06 Nov 2009 21:06:20 +0100
From:	"Martin Schleier" <drahemmaps@....net>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: i686 quirk for AMD Geode

On Fri, 6 Nov 2009 18:22:18 Alan Cox wrote:
> > If it wasn't riddled with 19 errors (not bad for only 133 lines),
> > I would have bothered to remove these irrelevant lines.
> 
> Checkpatch is just formatting - its just an aide nothing more.
> It's not remotely useful to bother with them for stuff that is
> basically sanely formatted until such point as someone is actually
> sure the patch is worth going into the tree.

the utility is called checkpatch and not checkstyle or checkformatting.
And there's a good reason behind this decision, because it does
more than just checking style.

e.g:
 - correct use of some blackfin hi/lo macros.
 - if certain data structures are declared as const
   (struct seq_operations/file_operations)
 - correct use of NR_CPUS is usually wrong
 - complains about in_atomic() outside core kernel code
 - warns about LINUX_VERSION_CODE, #if 0,
   volatile or deprecated functions.
 - informs about needless kfree/usb_free_urb checks
 - etc...

and I'm sure that future modifications will add more
useful functionality _checks_ to many more _common pitfalls_ 
areas.
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