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From: Jeff Garzik <jgarzik@pobox.com>
To: kallol@nucleodyne.com
Cc: Mark Lord <liml@rtr.ca>, linux-ide@vger.kernel.org
Subject: Re: Enabling MSI on SATAII150
Date: Sun, 26 Jun 2005 23:54:59 -0400	[thread overview]
Message-ID: <42BF7893.4050508@pobox.com> (raw)
In-Reply-To: <1119834710.13331.654.camel@driver>

Kallol Biswas wrote:
> Hello Jeff,
>           We have been using the sx8 driver on a MIPS based custom
> platform.
> It seems the line based interrupt mechanism is broken on the system.
> 
> SATA1150 controller supports MSI interrupt like other PCI-X devices.
> 
> Unfortunately we do not have access to the controller's technical
> specification yet.
> 
> Would it be possible to send us a reply detailing how to enable
> MSI interrupt on the adapter?

Just add pci_enable_msi() and pci_disable_msi() calls to the driver, 
much like drivers/scsi/ahci.c in 2.6.12-git8.

	Jeff




  reply	other threads:[~2005-06-27  3:55 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-11  6:18 Fwd: Re: Performance figure for sx8 driver kallol
2005-06-12 16:30 ` Mark Lord
2005-06-12 17:43   ` Kallol Biswas
2005-06-13  3:39     ` Jeff Garzik
2005-06-27  1:11       ` Enabling MSI on SATAII150 Kallol Biswas
2005-06-27  3:54         ` Jeff Garzik [this message]
2005-08-20  6:19         ` Jeff Garzik

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