On Wed, Apr 04, 2018 at 12:06:34AM -0700, Patong Yang wrote: > - When specific IOCTLs are called by a user-space application, a > port_config file is created for the /dev/ttyXRUSB device at a > specific USB tree location, and some configuration data is stored. > The driver checks for the port_config file when the driver is loaded > for each port and loads the configuration settings if there is a > port_config file for the USB tree location. Custom IOCTLS on a USB serial driver are not ok, sorry. Please use the standard ioctls and userspace apis for setting up and handling configuration of your device. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
