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Date:	Sun, 1 Mar 2009 09:29:17 +0100
From:	Prakash Punnoor <>
To:	Yinghai Lu <>
Cc:	Jesse Barnes <>,
	Andrew Morton <>,
	Ingo Molnar <>,
	"Eric W. Biederman" <>,
	Robert Hancock <>,,
	Matthew Wilcox <>,
	"linux-kernel" <>,
Subject: Re: [PATCH] pci: don't enable too many HT MSI mapping

[PATCH] Enable HT MSI mapping on all known needed NVidia host bridges, V2

v3 of Yinghai Lu's work only enables HT MSI mapping for one specific host bridge.
Do this also for all C51 ones as specified by NVidia's original patch.

Signed-off-by: Prakash Punnoor <>

--- drivers/pci/quirks.c.current	2009-03-01 08:42:31.321660493 +0100
+++ drivers/pci/quirks.c	2009-03-01 09:27:13.061407474 +0100
@@ -2189,8 +2189,17 @@
 	return __nv_msi_ht_cap_quirk(dev, 0);
-/* werid?, c51/mcp51 need c51 ht msi to be enable to make mcp51 ht msi working */
+/* Enable HT MSI mapping on C51 host brigdes */
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, 0x02f0, nv_msi_ht_cap_quirk_all);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, 0x02f1, nv_msi_ht_cap_quirk_all);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, 0x02f2, nv_msi_ht_cap_quirk_all);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, 0x02f3, nv_msi_ht_cap_quirk_all);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, 0x02f4, nv_msi_ht_cap_quirk_all);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, 0x02f5, nv_msi_ht_cap_quirk_all);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, 0x02f6, nv_msi_ht_cap_quirk_all);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, 0x02f7, nv_msi_ht_cap_quirk_all);
+/* Enable HT MSI mapping on all regular devices */

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