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    SubjectRe: platform_bus: Allow runtime PM by default
    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...
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