On Mon, Oct 21, 2024 at 08:19:34PM +0800, Jinjian Song wrote: > From: Jinjian Song <songjinjian@xxxxxxxxxxx> > > Add support for userspace to switch on the debug port(ADB,MIPC). > - ADB port: /dev/wwan0adb0 > - MIPC port: /dev/wwan0mipc0 > > Application can use ADB (Android Debg Bridge) port to implement > functions (shell, pull, push ...) by ADB protocol commands. > E.g., ADB commands: > - A_OPEN: OPEN(local-id, 0, "destination") > - A_WRTE: WRITE(local-id, remote-id, "data") > - A_OKEY: READY(local-id, remote-id, "") > - A_CLSE: CLOSE(local-id, remote-id, "") s/Debg/Debug/ > Link: https://android.googlesource.com/platform/packages/modules/adb/+/refs/heads/main/README.md > > Application can use MIPC (Modem Information Process Center) port > to debug antenna tunner or noise profiling through this MTK modem > diagnostic interface. s/tunner/tuner/ > +++ b/Documentation/networking/device_drivers/wwan/t7xx.rst > @@ -67,6 +67,28 @@ Write from userspace to set the device mode. > :: > $ echo fastboot_switching > /sys/bus/pci/devices/${bdf}/t7xx_mode > > +t7xx_port_mode > +-------------- > +The sysfs interface provides userspace with access to the port mode, this interface > +supports read and write operations. This file is not completely consistent, but 90% of it fits in 80 columns, so I would make your additions fit also.