On Tue, Oct 10, 2017 at 04:03:52PM +0200, Andreas Steinmetz wrote: > Allow use of CTS instead of DCD for PPS line discipline. > > Add a "pps_4wire" file to serial ports in sysfs in case the kernel is > configured with CONFIG_PPS_CLIENT_LDISC. Writing 1 to the file enables > the use of CTS instead of DCD for PPS signal input. This is necessary > in case a serial port is not completely wired. > Though this affects PPS processing the patch is against the serial core > as the source of the serial port PPS event dispatching has to be > modified. Furthermore it should be possible to modify the source of > serial port PPS event dispatching before changing the line discipline. > > Signed-off-by: Andreas Steinmetz <ast@xxxxxxxx> When adding new sysfs files, we need new Documenation/ABI files as well. v4? :) thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
