On Thu, Dec 03, 2020 at 08:34:32PM +0800, Charles wrote: [ ... ] > > It's really weird. I sent a mail to myself, and it looks good. > @@ -220,6 +220,15 @@ config SENSORS_MP2975 > This driver can also be built as a module. If so, the module will > be called mp2975. > +config SENSORS_PM6764TR > But the above doesn't look good. The empty line is again missing. It looks like your e-mail system manipulates/modifies the message and removes that line. > I have applied my patch with "git am", and it did work. > Applying: Add-driver-for-STMicroelectronics-PM6764-Voltage-Regulator > > I think I should use another e-mail system. That may be a good idea. FWIW, I use msmtp, and git send-email. Thanks, Guenter