On Sat, Mar 4, 2017 at 5:58 AM, Sebastian Reichel <s...@kernel.org> wrote: > Add method to get current CTS line state. > > Signed-off-by: Sebastian Reichel <s...@kernel.org> > --- > drivers/tty/serdev/core.c | 11 +++++++++++ > drivers/tty/serdev/serdev-ttyport.c | 15 +++++++++++++++ > include/linux/serdev.h | 6 ++++++ > 3 files changed, 32 insertions(+) > > diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c > index a63b74031e22..36eb3dfb1477 100644 > --- a/drivers/tty/serdev/core.c > +++ b/drivers/tty/serdev/core.c > @@ -184,6 +184,17 @@ void serdev_device_wait_until_sent(struct serdev_device > *serdev, long timeout) > } > EXPORT_SYMBOL_GPL(serdev_device_wait_until_sent); > > +bool serdev_device_get_cts(struct serdev_device *serdev)
I wonder if this should just be the wait for cts in the core. I think that would be the common use for reading the CTS state. IIRC, I saw some other device needing the same thing. Rob
