Hi Ronald, On Wed, Feb 17, 2021 at 11:07:18AM -0800, Ronald Tschalär wrote: > The problem is that tracing can't be set via sysfs until the module is > loaded, at which point the keyboard and trackpad initialization commands > have already been run and hence tracing can't be used to debug problems > here. > > Adding this param allows tracing to be enabled for messages sent and > received during module probing. It takes comma-separated list of events, > e.g. > > trace_event=applespi_tp_ini_cmd,applespi_bad_crc You can unbind and rebind a device to a driver via sysfs as many times as needed (see bind and unbind driver sysfs attributes), so I believe Thanks. -- Dmitry
