GAK!!!! Re: PCI: AMD SATA IDE mode quirk

Alan Cox
2008-02-22T09:58:35Z

> Signed-off-by: Crane Cai <crane.cai@amd.com>
> Acked-by: Jeff Garzik <jeff@garzik.org>
> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

Vomitted-upon-by: Alan Cox <alan@redhat.com>

> - if ((pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
> - u8 tmp;
> + /* set sb600/sb700/sb800 sata to ahci mode */
> + u8 tmp;
>
> + pci_read_config_byte(pdev, PCI_CLASS_DEVICE, &tmp);
> + if (tmp == 0x01) {

CLASS_DEVICE is cached in pdev->class so why not simply do:

if (pdev->class & (1 << 8))