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Date: Fri, 14 Sep 2007 15:33:15 -0700 (PDT) From: David Miller <davem@...emloft.net> To: mchan@...adcom.com Cc: andy@...yhouse.net, netdev@...r.kernel.org, ananth@...adcom.com, nsankar@...adcom.com Subject: Re: [TG3]: Workaround MSI bug on 5714/5780. From: "Michael Chan" <mchan@...adcom.com> Date: Fri, 07 Sep 2007 19:26:21 -0700 > [PCI]: Add MSI quirk for ServerWorks HT1000 PCIX bridge. > > This is the fix for the following problem: > > https://bugzilla.redhat.com/show_bug.cgi?id=227657 > > The bnx2 device 5706 complains about MSI not working behind a > ServerWorks HT1000 PCIX bridge. An earlier commit to fix the problem: > > e3008dedff4bdc96a5f67224cd3d8d12237082a0: > > "PCI: disable MSI by default on systems with Serverworks HT1000 chips" > > was not entirely correct, and has been reverted. > > MSI does not work on the PCIX bus because the BIOS did not set the > HT_MSI_FLAGS_ENABLE bit in the HyperTransport MSI capability on the > bridge. We use the existing quirk_msi_ht_cap() to detect the problem > and disable MSI in all buses behind it. > > Signed-off-by: Michael Chan <mchan@...adcom.com> > Cc: Anantha Subramanyam <ananth@...adcom.com> > Cc: Naren Sankar <nsankar@...adcom.com> Michael, I've queued this and my revert patch into a tree which I will push to the PCI maintainer for 2.6.24 Thanks. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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