SB700 SATA MSI bug will be fixed in SB700 revision A21 at hardware level, but the SB700 revision older than A21 will also be found in the market. This patch modify the original quirk commit bc38b411fe696fad32b261f492cb4afbf1835256 instead of withdrawing it.
Signed-off-by: Shane Huang <[EMAIL PROTECTED]> Since there is some word wrapping problem with my mail client MS outlook, I also attach the patch as an attachment. Please check it. diff -ruN old/drivers/pci/quirks.c new/drivers/pci/quirks.c --- old/drivers/pci/quirks.c 2008-01-07 05:45:38.000000000 +0800 +++ new/drivers/pci/quirks.c 2008-01-22 11:31:09.000000000 +0800 @@ -1709,6 +1709,22 @@ { dev->dev_flags |= PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG; } +static void __devinit quirk_msi_intx_disable_ati_bug(struct pci_dev *dev) +{ + struct pci_dev *p; + u8 rev = 0; + + /* SB700 MSI issue will be fixed at HW level from revision A21, + * we need check PCI REVISION ID of SMBus controller to get SB700 revision. + */ + p = pci_get_device(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_SBX00_SMBUS, NULL); + if (p!=NULL) { + pci_read_config_byte(p, PCI_CLASS_REVISION, &rev); + } + if ((rev < 0x3B) && (rev >= 0x30)) { + dev->dev_flags |= PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG; + } +} DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780, quirk_msi_intx_disable_bug); @@ -1729,17 +1745,17 @@ quirk_msi_intx_disable_bug); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4390, - quirk_msi_intx_disable_bug); + quirk_msi_intx_disable_ati_bug); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4391, - quirk_msi_intx_disable_bug); + quirk_msi_intx_disable_ati_bug); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4392, - quirk_msi_intx_disable_bug); + quirk_msi_intx_disable_ati_bug); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4393, - quirk_msi_intx_disable_bug); + quirk_msi_intx_disable_ati_bug); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4394, - quirk_msi_intx_disable_bug); + quirk_msi_intx_disable_ati_bug); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4395, - quirk_msi_intx_disable_bug); + quirk_msi_intx_disable_ati_bug); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x4373, quirk_msi_intx_disable_bug); Thanks Best Regards Shane
modify_SB700_MSI_issue.patch
Description: modify_SB700_MSI_issue.patch