On Tue, Sep 21, 2021 at 1:34 PM Tony Lindgren <tony@xxxxxxxxxxx> wrote: > > Hi, > > Here are patches to get rid of pm_runtime_irq_safe() for the 8250_omap > driver. > > For removing the pm_runtime_irq_safe() usage, serial TX is the last > remaining issue. We deal with TX by waking up the port and returning 0 > bytes written from write_room() and write() if the port is not available > because of PM runtime autoidle. of the PM > > This series also removes the dependency to Andy's pending generic serial > layer PM runtime patches, and hopefully makes that work a bit easier :) Thank you, Tony, very much! The series looks to me in a good condition, hence, FWIW, Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> > Regards, > > Tony > > > Tony Lindgren (6): > n_tty: Start making use of -EAGAIN returned from > process_output_block() > tty: n_gsm: Don't ignore write return value in gsmld_output() > serial: core: Add new prep_tx for power management > serial: 8250: Implement prep_tx for power management > serial: 8250_omap: Require a valid wakeirq for deeper idle states > serial: 8250_omap: Drop the use of pm_runtime_irq_safe() > > Documentation/driver-api/serial/driver.rst | 9 ++++++ > drivers/tty/n_gsm.c | 5 ++- > drivers/tty/n_tty.c | 8 +++-- > drivers/tty/serial/8250/8250_omap.c | 36 +++++++++++++++------- > drivers/tty/serial/8250/8250_port.c | 24 +++++++++++++++ > drivers/tty/serial/serial_core.c | 23 ++++++++++++++ > include/linux/serial_core.h | 1 + > 7 files changed, 90 insertions(+), 16 deletions(-) > > -- > 2.33.0 -- With Best Regards, Andy Shevchenko
