Re: [PATCH] PCI: nVidia's MCP61 ethernet card needs quirk for wrong class

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Oct 01, 2007 at 11:03:38AM -0600, Matthew Wilcox wrote:
> On Mon, Oct 01, 2007 at 09:25:46AM -0700, Greg KH wrote:
> > For config items, we don't want to modify them in any way, we just want
> > to pass-through the data direct from the device.  Look at the sysfs and
> > proc files for pci config spaces.  They are returning binary data stored
> > in the device directly.  We do not want to have to start modifying that
> > data directly just to handle messed up devices like this.
> 
> Nobody's talking about changing the raw pci data.  What we're talking
> about is changing the value read out of
> 
> $ cat /sys/bus/pci/devices/0000\:00\:00.0/class 
> 0x060000

I know, but the next request will be to also fix up those raw values as
someone will have a tool that only uses them :)

> We do tweak at least some of the other similar values (vendor, for sure)
> to work around bugs; not sure we have an example for changing the class
> value yet.
> 
> pciutils knows that the kernel has potentially fixed up the values in
> the individual files, and to trust those over the raw data.

Ah, cool, I didn't realize that pciutils handled this kind of mismatch.
That's good to know.

thanks,

greg k-h
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux