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? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds