Re: [RFC 0/7] Runtime PM updates for autosuspend

["Rafael J. Wysocki" <rjw@sisk.pl>]

On Thursday, September 23, 2010, Alan Stern wrote:
> Rafael and Greg:

Hi,

> The following series of emails contains my proposed patches for the
> runtime PM core, leading up to a general "autosuspend" implementation.  
> This is going to be one of those difficult cross-subsystem things,
> because the first patch in the series affects sysfs whereas the rest
> affect PM.  (In addition, there are two other patches I'm not going to
> include here that update USB to take advantage of the new PM
> facilities.  Ultimately there will be changes to the SCSI, block, and
> IDE layers as well -- they're not written yet.)
> 
> We can decide on the best plan for merging these later on.  For now I 
> would simply like to post them for review and comments.  These are not 
> yet necessarily in final form, but I think they are pretty close.  They 
> apply on top of 2.6.36-rc5.
> 
> Alan Stern
> 
> 
> 1/7:	Add sysfs_merge_group() and sysfs_unmerge_group() routines
> 	for later use by PM and USB.
> 
> 2/7:	Move the runtime PM accounting routines away from the functions
> 	that do the actual work.
> 
> 3/7:	Replace runtime PM boolean arguments with bitflags.
> 
> 4/7:	Merge the synchronous and asynchronous runtime PM routines.
> 
> 5/7:	Regroup the public entry points for runtime PM into three
> 	simple functions.
> 
> 6/7:	Add the "no_callbacks" flag.
> 
> 7/7:	Implement autosuspend.

The series generally looks good to me, except for a few comments, mostly
related to the names of various things I sent in my replies to the specific
patches.

Thanks,
Rafael