[lkml]   [2015]   [May]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v3 2/2] PM / Runtime: Add pm_runtime_enable_recursive
On Tuesday, May 19, 2015 01:49:15 PM Alan Stern wrote:
> On Tue, 19 May 2015, Tomeu Vizoso wrote:
> > This function makes less cumbersome to enable runtime PM in a device and
> > its descendants.
> >
> > Signed-off-by: Tomeu Vizoso <>
> I don't see the point of this. In the scenario you have in mind, are
> the device and all its descendants registered by the same
> subsystem/driver? If they are, can't the subsystem/driver code enable
> runtime PM for each of them when they are registered, by adding a
> single call in the right spot?
> If they don't all belong to the same subsystem/driver, who is going to
> call your pm_runtime_enable_recursive routine? No single caller will
> have the right to enable runtime PM for all these devices.


I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.

 \ /
  Last update: 2015-05-20 01:41    [W:0.144 / U:0.092 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site