linux-kernel - RE: [patch] PCI: disable MSI on more ATI NorthBridges

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Date:	Sat, 20 Oct 2007 22:50:27 +0800
From:	Shane Huang <chunhao.huang@...mail.com>
To:	Linas Vepstas <linas@...tin.ibm.com>, <davem@...emloft.net>,
	<gregkh@...e.de>, <htejun@...il.com>, <brice.goglin@...il.com>,
	<david.gaarenstroom@...il.com>
CC:	<linux-kernel@...r.kernel.org>,
	<linux-pci@...ey.karlin.mff.cuni.cz>, <shane.huang@....com>,
	<jgarzik@...ox.com>, <linux-ide@...r.kernel.org>,
	<chunhao.huang@...mail.com>
Subject: RE: [patch] PCI: disable MSI on more ATI NorthBridges

Quoting  "David G"
> "Here" as in "here at AMD"?! I'm stunned...
> Both AMD and the former ATI should have quite some experience?!

When I used "here", I was just meaning our youthful linux southbridge
drivers team instead of the whole AMD. Sorry for the confusion to you.

Quoting "Linas"
> As someone else pointed out, AMD should have *lots* of people with
> pci and msi experience on the payroll. (Folks here buy AMD-designed
> pci chips ...)

Yes, absolutely AMD has lots of people with PCI and MSI experience,
but this MSI issue is mainly under the debug of our team now.
I think our team will cooperate with other teams more closely to provide
linux chipset support besides fixing the MSI problem in the future.

Quoting "Jeff"
> Take a look at tg3.c net driver change
> 2fbe43f6f631dd7ce19fb1499d6164a5bdb34568 which is a similar
> situation. However, it may turn out that removing the pci_intx()
> stuff as a general rule is easier than quirking these devices, if enough
> of them turn out to have this hardware bug. The tg3.c change should
> illustrate how to fix immediately, though.

Thanks for your suggestion. I will continue to debug this problem next
Monday when I'm back to the office. 

Thanks
Best Regards

Shane

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