Commit 1c3e34bf authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Uwe Kleine-König
Browse files

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: default avatarUwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20240705211452.1157967-2-u.kleine-koenig@baylibre.com


Signed-off-by: default avatarUwe Kleine-König <ukleinek@kernel.org>
parent 9407f23d

include/trace/events/pwm.h

+6 −4
Original line number Diff line number Diff line
@@ -15,7 +15,8 @@ DECLARE_EVENT_CLASS(pwm, 
	TP_ARGS(pwm, state, err),



	TP_STRUCT__entry(

		__field(struct pwm_device *, pwm)

		__field(unsigned int, chipid)

		__field(unsigned int, hwpwm)

		__field(u64, period)

		__field(u64, duty_cycle)

		__field(enum pwm_polarity, polarity)
@@ -24,7 +25,8 @@ DECLARE_EVENT_CLASS(pwm, 
	),



	TP_fast_assign(

		__entry->pwm = pwm;

		__entry->chipid = pwm->chip->id;

		__entry->hwpwm = pwm->hwpwm;

		__entry->period = state->period;

		__entry->duty_cycle = state->duty_cycle;

		__entry->polarity = state->polarity;
@@ -32,8 +34,8 @@ DECLARE_EVENT_CLASS(pwm, 
		__entry->err = err;

	),



	TP_printk("%p: period=%llu duty_cycle=%llu polarity=%d enabled=%d err=%d",

		  __entry->pwm, __entry->period, __entry->duty_cycle,

	TP_printk("pwmchip%u.%u: period=%llu duty_cycle=%llu polarity=%d enabled=%d err=%d",

		  __entry->chipid, __entry->hwpwm, __entry->period, __entry->duty_cycle,

		  __entry->polarity, __entry->enabled, __entry->err)



);