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3 Commits

Author SHA1 Message Date
Uwe Kleine-König
1c3e34bf88 pwm: Make info in traces about affected pwm more useful 
The hashed pointer isn't useful to identify the pwm device. Instead
store and emit chipid and hwpwm.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20240705211452.1157967-2-u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
 2024-09-05 11:14:14 +02:00
Uwe Kleine-König
3dae106f4c pwm/tracing: Also record trace events for failed API calls 
Record and report an error code for the events. This allows to report
about failed calls without ambiguity and so gives a more complete
picture.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20221130152148.2769768-3-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
 2022-12-06 12:46:23 +01:00
Uwe Kleine-König
1188829abc pwm: Implement tracing for .get_state() and .apply_state() 
This allows to log all calls to the driver's lowlevel functions which
simplifies debugging in some cases.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
 2020-01-20 12:28:37 +01:00