On Fri, Apr 13, 2018 at 07:27:59PM +0200, Geert Uytterhoeven wrote: > Hi Ulrich, > > On Fri, Apr 13, 2018 at 7:00 PM, Ulrich Hecht > <ulrich.hecht+renesas@xxxxxxxxx> wrote: > > These patches make sure that the device is up while the suspend/resume code > > is executed. Up-port from the BSP, tested not to break stuff. > > > > Hien Dang (2): > > serial: sh-sci: Use pm_runtime_get_sync()/put() on suspend > > serial: sh-sci: Use pm_runtime_get_sync()/put() on resume > > I don't think it makes much sense to split this in two parts... > > Furthermore, shouldn't this be handled by the serial core, calling > uart_change_pm()? > > It looks like uart_resume_port() already changes the port's state to > enabled, while uart_suspend_port() assumes the port is already enabled, > and disables it. > > Perhaps handling is not correct for some code paths? Ulrich, what is your take on this?
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