Re: Power management for SCSI

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, 13 Aug 2008, Pavel Machek wrote:

> From: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> 
> Add support for autosuspend/autoresume. Lowlevel driver can use it to
> spin the disk down and power down its SATA link, to turn off the USB
> interface, etc.
> 
> Spinning down the disk is useful - saves ~0.5W here. Powering down
> SATA controller is even better -- should save ~1W.
> 
> Now, I guess the patch will need to be split to small pieces for
> merge... I tried to rearrange it so that the documentation and hooks
> go before stuff that needs the hooks, and before Kconfig enabler. If
> it looks reasonably good, I'll split it into smaller pieces.

James had a number of objections to my original patch; you can read 
them here:

https://lists.linux-foundation.org/pipermail/linux-pm/2008-March/016849.html

I haven't had time yet to work on an improved version.

Alan Stern

_______________________________________________
linux-pm mailing list
linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linux-foundation.org/mailman/listinfo/linux-pm

[Index of Archives]     [Linux ACPI]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [CPU Freq]     [Kernel Newbies]     [Fedora Kernel]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux