Introduce a method for notify resume to be called from sysfs. In this
patch one can now call notify resume from sysfs when is supported by
platform.
Signed-off-by: NBryant G. Ly <bryantly@linux.vnet.ibm.com>
Signed-off-by: NJuan J. Alvarez <jjalvare@linux.vnet.ibm.com>
Acked-by: NRussell Currey <ruscur@russell.cc>
[mpe: Add NULL check, add empty versions to avoid #ifdefs]
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>