On Wed, Jan 24, 2018 at 06:33:53PM +0000, Winkler, Tomas wrote: > > > - pm_runtime_put(dev); > > > + pm_runtime_put_sync(dev); > > > > Change to put_sync is needed so that the idle handshake gets completed? > > Right. Since we seem to agree that your change to get rid of the use of PM runtime should that be actually the first change in the patch set? Or are you looking forward to get these backported to stable kernels? /Jarkko