lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Fri, 29 Apr 2011 18:08:18 -0700 From: Greg KH <gregkh@...e.de> To: "Rafael J. Wysocki" <rjw@...k.pl> Cc: Linux PM mailing list <linux-pm@...ts.linux-foundation.org>, LKML <linux-kernel@...r.kernel.org>, Kevin Hilman <khilman@...com>, Grant Likely <grant.likely@...retlab.ca>, Magnus Damm <magnus.damm@...il.com>, linux-sh@...r.kernel.org Subject: Re: [Update][RFC][PATCH 1/2] PM / Runtime: Support for generic I/O power domains (v2) On Sat, Apr 30, 2011 at 02:54:46AM +0200, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rjw@...k.pl> > > Introcude common headers, helper functions and callbacks allowing > platforms to use simple generic power domains for runtime power > management. > > Introduce struct generic_power_domain to be used for representing > power domains that each contain a number of devices and may be > master domains or subdomains with respect to other power domains. > Among other things, this structure includes callbacks to be > provided by platforms for performing specific tasks related to > power management (i.e. ->stop_device() may disable a device's > clocks, while ->start_device() may enable them, ->power_on() is > supposed to remove power from the entire power domain > and ->power_off() is supposed to restore it). > > Introduce functions that can be used as power domain runtime PM > callbacks, pm_genpd_runtime_suspend() and pm_genpd_runtime_resume(), > as well as helper functions for the initialization of a power > domain represented by a struct generic_power_domain object, > adding a device to or removing a device from it and adding or > removing subdomains. > > Signed-off-by: Rafael J. Wysocki <rjw@...k.pl> > Acked-by: Greg Kroah-Hartman <gregkh@...e.de> > --- > > Hi, > > This version of the patch fixes a bug that caused pm_runtime_suspend() > (and equivalent) to return -EBUSY erroneously when suspending the last > active device in a power domain. It has been tested on an ARM shmobile > system. > > Greg, I hope your ACK is still valid. :-) Yes, it is. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists