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Message-ID: <5CAB7B5D6F8AB84AA868A46B47A507055D91AE@sshaexmb1.amd.com>
Date: Tue, 23 Oct 2007 17:39:22 +0800
From: "Shane Huang" <Shane.Huang@....com>
To: "David Miller" <davem@...emloft.net>, barkalow@...ervon.org
cc: jeff@...zik.org, linas@...tin.ibm.com, gregkh@...e.de,
htejun@...il.com, brice.goglin@...il.com,
david.gaarenstroom@...il.com, linux-kernel@...r.kernel.org,
linux-pci@...ey.karlin.mff.cuni.cz, linux-ide@...r.kernel.org,
brice@...i.com, "Shane Huang" <Shane.Huang@....com>
Subject: RE: [patch] PCI: disable MSI on more ATI NorthBridges
Hi David:
> I think this pretty much sums up the situation accurately.
>
> My suggestion is:
>
> 1) Leave the pci_intx() twiddling code in drivers/pci/msi.c
>
> 2) Add quirks for "INTX_DISABLE turns off MSI too", this sets
> a flag in the pci_dev.
>
> 3) The pci_intx() calls in drivers/pci/msi.c are skipped if this
> flag from #2 is set.
>
> 4) Add quirk entries for drivers/net/tg3.c chips and these SATA
> devices we are learning about here, as well as any others we
> are aware of right now.
>
> 5) Remove the pci_intx() workaround code from drivers/net/tg3.c
> and elsewhere.
This quirk seems good to me. Waiting for your final decision....
This SB700 SATA controller MSI/INTx problem has been reported to our
hardware team. I will forward the update information or response to
you when I get any from HW team.
Thanks
Shane
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