The patch titled
pci: enable MSI on 8132
has been added to the -mm tree. Its filename is
pci-enable-msi-on-8132.patch
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------------------------------------------------------
Subject: pci: enable MSI on 8132
From: Yinghai Lu <yinghai@xxxxxxxxxx>
Impact: workaround BIOS that doesn't enable that bit
David reported that LSI sas doesn't work with MSI. it turns out that BIOS
doesn't enable HT MSI 8132 does support HT MSI. add quirk to enable it
Reported-by: David Lang <david@xxxxxxx>
Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
Cc: <Eric.Moore@xxxxxxx>
Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/pci/quirks.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff -puN drivers/pci/quirks.c~pci-enable-msi-on-8132 drivers/pci/quirks.c
--- a/drivers/pci/quirks.c~pci-enable-msi-on-8132
+++ a/drivers/pci/quirks.c
@@ -2008,7 +2008,6 @@ static void __devinit quirk_msi_ht_cap(s
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT2000_PCIE,
quirk_msi_ht_cap);
-
/* The nVidia CK804 chipset may have 2 HT MSI mappings.
* MSI are supported if the MSI capability set in any of these mappings.
*/
@@ -2059,6 +2058,9 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_S
PCI_DEVICE_ID_SERVERWORKS_HT1000_PXB,
ht_enable_msi_mapping);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8132_BRIDGE,
+ ht_enable_msi_mapping);
+
/* The P5N32-SLI Premium motherboard from Asus has a problem with msi
* for the MCP55 NIC. It is not yet determined whether the msi problem
* also affects other devices. As for now, turn off msi for this device.
_
Patches currently in -mm which might be from yinghai@xxxxxxxxxx are
linux-next.patch
pci-enable-msi-on-8132.patch
mpt-fix-enable-lsi-sas-to-use-msi-as-default.patch
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