linux-kernel - Re: [PATCH 12/25] char: Convert pci_table entries to PCI_VDEVICE (if PCI_ANY

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Date:	Thu, 15 Jul 2010 22:29:24 -0700
From:	Greg KH <gregkh@...e.de>
To:	Joe Perches <joe@...ches.com>
Cc:	Peter Huewe <PeterHuewe@....de>,
	Kernel Janitors <kernel-janitors@...r.kernel.org>,
	"Digi International, Inc" <Eng.Linux@...i.com>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Tejun Heo <tj@...nel.org>, Jiri Kosina <jkosina@...e.cz>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 12/25] char: Convert pci_table entries to PCI_VDEVICE
	(if PCI_ANY_ID is used)

On Thu, Jul 15, 2010 at 09:44:23PM -0700, Joe Perches wrote:
> On Thu, 2010-07-15 at 21:29 -0700, Greg KH wrote:
> > On Thu, Jul 15, 2010 at 02:00:15PM -0700, Joe Perches wrote:
> > > On Thu, 2010-07-15 at 13:45 -0700, Greg KH wrote:
> > > > I much prefer the PCI_DEVICE() macro instead, and as such, I'm not
> > > > willing to take any of these patches, sorry.
> > > grepping for pci device ids using constants and
> > > expecting the result to be comprehensive isn't
> > > sensible.
> > But it's a nice goal :)
> 
> I think your goal is not a good one.
> 
> For instance:
> 
> $ grep -rP --include=*.[ch] "\bPCI_VDEVICE\s*\(\s*INTEL" drivers | wc -l
> 201
> $ grep -rP --include=*.[ch] "\bPCI_DEVICE\s*\(PCI_VENDOR_ID_INTEL" drivers | wc -l
> 45
> $ grep -rP --include=*.[ch] "\bPCI_DEVICE\s*\(\s*0x8086" drivers | wc -l
> 38
> 
> I'd much rather do a search for "PCI_VDEVICE.*INTEL"

I'd much rather use 'cscope' or 'ctags' than trying to remember regular
expressions like the above.

greg k-h
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