Re: platform_bus: Allow runtime PM by default

[Greg KH <gregkh@suse.de>]

On Fri, Apr 23, 2010 at 11:57:51AM +0100, Mark Brown wrote:
> On Thu, Apr 22, 2010 at 04:53:53PM -0700, Greg KH wrote:
> > On Fri, Mar 26, 2010 at 05:42:50PM +0000, Mark Brown wrote:
> 
> > > Change the default implementation to the standard pm_generic_runtime
> > > one, allowing drivers to use runtime PM without per-architecture
> > > changes.
> 
> > That's nice, but it breaks the build on my system:
> >   CC      drivers/base/platform.o
> > drivers/base/platform.c: In function ???platform_pm_runtime_suspend???:
> > drivers/base/platform.c:970: error: implicit declaration of function ???pm_generic_runtime_suspend???
> > drivers/base/platform.c: In function ???platform_pm_runtime_resume???:
> > drivers/base/platform.c:975: error: implicit declaration of function ???pm_generic_runtime_resume???
> > drivers/base/platform.c: In function ???platform_pm_runtime_idle???:
> > drivers/base/platform.c:980: error: implicit declaration of function ???pm_generic_runtime_idle???
> > make[1]: *** [drivers/base/platform.o] Error 1
> > make: *** [_module_drivers/base] Error 2
> 
> > Care to fix it up?
> 
> This depends on "PM: Provide generic subsystem-level callbacks" which is
> in Linus' tree - which kernel version are you building against and with
> what config?  Things work fine for me in -next...

I was using Linus's latest tree as of yesterday when this failed.  Are
you relying on something in -next that is not in Linus's tree?

thanks,

greg k-h