From: Jeff Garzik <jeff@garzik.org>
To: Mark Lord <liml@rtr.ca>
Cc: Philip Langdale <philipl@overt.org>, linux-ide@vger.kernel.org
Subject: Re: Enabling MSI in sata_nv
Date: Mon, 03 Dec 2007 14:17:57 -0500 [thread overview]
Message-ID: <47545665.2070109@garzik.org> (raw)
In-Reply-To: <475443A4.4020508@rtr.ca>
Mark Lord wrote:
> Mark Lord wrote:
>> Philip Langdale wrote:
>>> Hi all,
>>>
>>> At least for my hardware (MCP55), the sata controller supports MSI
>>> and it seems that turning it on is as simple as inserting the call
>>> to pci_enable_msi - after that it Just Works(tm).
>>>
>>> Are there any gotchas that I'm missing? Would a patch to do this
>>> be accepted?
>> ..
>>
>> Don't even dream about it for now. The driver is unstable enough
>> without throwing MSI into the works.
> ..
>
> Oh, wait a minute.. I misread "sata_nv" as "sata_mv" there.
FWIW: Marvell says they run with MSI enabled on 6440 (mvsas) in their
vendor driver, but not on any of the 50xx and 60xx variants supported by
sata_mv.
Maybe that's changed in the past year with 7042, I dunno. But that's
the latest info I have.
Jeff
next prev parent reply other threads:[~2007-12-03 19:18 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-03 3:07 Enabling MSI in sata_nv Philip Langdale
2007-12-03 17:28 ` Mark Lord
2007-12-03 17:57 ` Mark Lord
2007-12-03 19:17 ` Jeff Garzik [this message]
2007-12-03 18:55 ` Greg Freemyer
2007-12-03 19:16 ` Jeff Garzik
2007-12-04 1:56 ` Philip Langdale
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