On Fri, 2013-06-07 at 10:37 -0700, Greg KH wrote: > On Fri, Jun 07, 2013 at 04:20:31PM +0800, shuox....@intel.com wrote: > > From: ShuoX Liu <shuox....@intel.com> > > > > dpm_run_callback could show more debug info around prepare stage. > > Why? Who needs this? What problem does it solve? > > Without answers to this, why would you expect us to accept such a > change? It's to provide more debug info and developers can quickly find what prepare/complete callback consumes too much time.
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