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List:       linux-ide
Subject:    Re: Enabling MSI on SATAII150
From:       Jeff Garzik <jgarzik () pobox ! com>
Date:       2005-06-27 3:54:59
Message-ID: 42BF7893.4050508 () pobox ! com
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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



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