Tejun Heo wrote:
Jeff Garzik wrote:
Tejun Heo wrote:
tested. I implemented AHCI PM support half-way but then realized I
don't have any AHCI controller which supports PM (I have ICH7R). Is
there any AHCI controller which reports PM support?
You can always use SCR-based PM support...
Can you elaborate a bit?
Sections A.1 and 6.1 of the PM spec. You set the PMP field of the
SControl register. This has obvious parallelism limitations, which is
why "hardware context switching support" aka native PM support is
greatly preferred.
@ welcome back.
Thanks! :)
Jeff, learning to type with a ring on the finger
-
: send the line "unsubscribe linux-ide" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
