From: Joe Perches on
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.

$ grep -rwP --include=*.[ch] -w PCI_VDEVICE drivers/char | wc -l
32

The current drivers/ use of PCI_VDEVICE to PCI_DEVICE is ~50/50

$ grep --include=*.[ch] -rwP PCI_DEVICE drivers | wc -l
866
$ grep --include=*.[ch] -rwP PCI_VDEVICE drivers | wc -l
768


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From: Joe Perches on
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"



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From: Joe Perches on
On Thu, 2010-07-15 at 22:29 -0700, Greg KH wrote:
> 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.

Then it appears your original argument doesn't have much merit.


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