Re: RFC: ACPI/scsi/libata integration and hotswap

From: Christoph Hellwig
Date: Thu Dec 08 2005 - 04:15:12 EST


On Thu, Dec 08, 2005 at 03:02:42AM +0000, Matthew Garrett wrote:
> Hi!
>
> The included patch does three things:
>
> 1) It adds basic support for binding SCSI and SATA devices to ACPI
> device handles. At the moment this is limited to hosts, and in practice
> it's probably limited to SATA ones (ACPI doesn't spec how SCSI devices
> should appear in the DSDT, so I'm guessing that in general they don't).
> Given a host, you can DEVICE_ACPI_HANDLE(dev) it to get the handle to
> the ACPI device - this should be handy for implementing suspend
> functions, since the methods should be in a standard location underneath
> this.


NACK. ACPI-specific hacks do not have any business at all in the scsi layer.

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