Re: [GIT PULL] On-demand device probing

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

 



On Sun, Oct 25, 2015 at 02:54:39PM +0100, Rafael J. Wysocki wrote:
> On Sun, Oct 25, 2015 at 12:06 AM, Mark Brown <broonie@xxxxxxxxxx> wrote:

> > There's also the understanding people had that the order things get
> > bound changes the ordering for some of the other cases (perhaps it's a
> > good idea to do that, it seems likely to be sensible?).

> But it really doesn't do that.  Also making it do so doesn't help much
> in the cases where things can happen asynchronously (system
> suspend/resume, runtime PM).

Yeah, people seem to have that impression though. :(

> If, instead, there was a way to specify a functional dependency at the
> device registration time, it might be used to change the order of
> everything relevant, including probe.  That should help to reduce the
> noise you're referring to.

This links back to the idea of having generic support for pre-probe
actions which is also generally useful (the ability to do things like
power on regulators for devices on enumerable buses so they can be
enumerated as standard).  

Attachment: signature.asc
Description: PGP signature


[Index of Archives]     [Linux Kernel]     [Linux ARM (vger)]     [Linux ARM MSM]     [Linux Omap]     [Linux Arm]     [Linux Tegra]     [Fedora ARM]     [Linux for Samsung SOC]     [eCos]     [Linux PCI]     [Linux Fastboot]     [Gcc Help]     [Git]     [DCCP]     [IETF Announce]     [Security]     [Linux MIPS]     [Yosemite Campsites]

  Powered by Linux