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2024-09-05pwm: Make info in traces about affected pwm more usefulUwe Kleine-König1-4/+6
The hashed pointer isn't useful to identify the pwm device. Instead store and emit chipid and hwpwm. Signed-off-by: Uwe Kleine-König <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Uwe Kleine-König <[email protected]>
2022-12-06pwm/tracing: Also record trace events for failed API callsUwe Kleine-König1-10/+10
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 <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Uwe Kleine-König <[email protected]> Signed-off-by: Thierry Reding <[email protected]>
2020-01-20pwm: Implement tracing for .get_state() and .apply_state()Uwe Kleine-König1-0/+58
This allows to log all calls to the driver's lowlevel functions which simplifies debugging in some cases. Signed-off-by: Uwe Kleine-König <[email protected]> Reviewed-by: Steven Rostedt (VMware) <[email protected]> Signed-off-by: Thierry Reding <[email protected]>
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