On Mon, Jun 18, 2012 at 05:04:14PM +0800, huacai chen wrote: > Do you means it is a better idea to modify "enum board_ids" and add a > new board id such as board_ahci_sb700_loongson, and then add a new > entry in ahci_port_info[]? > If so, I think there is a problem: the pci id of our AHCI controller > is 1002:4390, if I add board_ahci_sb700_loongson, then I should also > add > { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700_loongson }, > in ahci_pci_tbl[], but ahci_pci_tbl[] already has a line > { PCI_VDEVICE(ATI, 0x4390), board_ahci_sb700 }, > Then which entry will match the device? Before you do anything, my question is: SB700/800 chipsets don't need to set a 32-bit only DMA flag; why do you need it when you use the same chipset? So why do you need to do 32-bit DMA only when the chipset supports 64-bit DMA just fine? Thanks. -- Regards/Gruss, Boris. -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html