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pwm: Make info in traces about affected pwm more useful

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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>
This commit is contained in:
Uwe Kleine-König 2024-07-05 23:14:51 +02:00 committed by Uwe Kleine-König
parent 9407f23d14
commit 1c3e34bf88
1 changed files with 6 additions and 4 deletions
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10
include/trace/events/pwm.h
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@ -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)
);