On Mon, Jan 06, 2020 at 12:51:55PM +0530, Rishi Gupta wrote: > The ttyvs driver exposes sysfs files to emulate various serial > port events. This commit document these files. > > Signed-off-by: Rishi Gupta <gupt21@xxxxxxxxx> > --- > .../ABI/testing/sysfs-devices-virtual-tty_ttyvs | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > create mode 100644 Documentation/ABI/testing/sysfs-devices-virtual-tty_ttyvs > > diff --git a/Documentation/ABI/testing/sysfs-devices-virtual-tty_ttyvs b/Documentation/ABI/testing/sysfs-devices-virtual-tty_ttyvs > new file mode 100644 > index 0000000..69b04e0 > --- /dev/null > +++ b/Documentation/ABI/testing/sysfs-devices-virtual-tty_ttyvs > @@ -0,0 +1,18 @@ > +What: /sys/devices/virtual/tty/ttyvsN/event > +Date: January 2020 > +Contact: Rishi Gupta <gupt21@xxxxxxxxx> > +KernelVersion: 5.5 > +Description: > + The ttyvs driver will emulate serial port event; parity error, > + framing error, overrun error, asserting or de-asserting break > + conditions and ring indication when user space application > + writes an event code on this sysfs file. You did not actually document any of the values read/written to this file, like you did in your 0/X patch description :( greg k-h