Re: via82xx.c vs. sonypi.c i/o region conflict on vaio

[Takashi Iwai <tiwai@suse.de>]

At Wed, 14 Jul 2004 15:31:44 -0400,
Jeff Garzik wrote:
> 
> Greg Ingram wrote:
> > I modified the sound driver to grab only 128 ports instead of 256 and the
> > driver works fine on this hardware.  In 2.6.7, it's line 2049 or so of
> > sound/pci/via82xx.c:
> > 
> > old:	if ((chip->res_port = request_region(chip->port, 256, card->driver)) == NULL) {
> > new:	if ((chip->res_port = request_region(chip->port, 256, card->driver)) == NULL) {
> 
> 
> I don't see any difference between these two lines.
> 
> Regardless, I see two bugs:
> 
> 1) Hardcoding 256 for resource size.  Should be using pci_resource_len()
> 
> 2) via82xx sound driver should be using pci_request_regions() and 
> pci_release_regions(), not request_region.  Doing this eliminates issue #1.

Agreed, it's much simpler.
I'll fix it (over all ALSA PCI drivers).


Takashi