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Merge tag 'pwm/for-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm

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Pull pwm updates from Thierry Reding:
 "Mostly cleanups and minor improvements with some new chip support for
  some drivers"

* tag 'pwm/for-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (37 commits)
  pwm: Remove set but not set variable 'pwm'
  pwm: sun4i: Initialize variables before use
  pwm: stm32: Remove automatic output enable
  pwm: sun4i: Narrow scope of local variable
  pwm: bcm2835: Allow building for ARCH_BRCMSTB
  pwm: imx27: Eliminate error message for defer probe
  pwm: sun4i: Fix inconsistent IS_ERR and PTR_ERR
  pwm: sun4i: Move pwm_calculate() out of spin_lock()
  pwm: omap-dmtimer: Allow compiling with COMPILE_TEST
  pwm: omap-dmtimer: put_device() after of_find_device_by_node()
  pwm: omap-dmtimer: Simplify error handling
  pwm: omap-dmtimer: Remove PWM chip in .remove before making it unfunctional
  pwm: Implement tracing for .get_state() and .apply_state()
  pwm: rcar: Document inability to set duty_cycle = 0
  pwm: rcar: Drop useless call to pwm_get_state()
  pwm: Fix minor Kconfig whitespace issues
  pwm: atmel: Implement .get_state()
  pwm: atmel: Use register accessors for channels
  pwm: atmel: Document known weaknesses of both hardware and software
  pwm: atmel: Replace loop in prescale calculation by ad-hoc calculation
  ...
This commit is contained in:
Linus Torvalds
2020-02-05 18:11:51 +00:00
parent 18ea671ba4 9871abffc8
commit 4c7d00ccf4
13 changed files with 535 additions and 195 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/trace/events/pwm.h
+58
View File
@@ -0,0 +1,58 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM pwm
#if !defined(_TRACE_PWM_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_PWM_H
#include <linux/pwm.h>
#include <linux/tracepoint.h>
DECLARE_EVENT_CLASS(pwm,
TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state),
TP_ARGS(pwm, state),
TP_STRUCT__entry(
__field(struct pwm_device *, pwm)
__field(u64, period)
__field(u64, duty_cycle)
__field(enum pwm_polarity, polarity)
__field(bool, enabled)
),
TP_fast_assign(
__entry->pwm = pwm;
__entry->period = state->period;
__entry->duty_cycle = state->duty_cycle;
__entry->polarity = state->polarity;
__entry->enabled = state->enabled;
),
TP_printk("%p: period=%llu duty_cycle=%llu polarity=%d enabled=%d",
__entry->pwm, __entry->period, __entry->duty_cycle,
__entry->polarity, __entry->enabled)
);
DEFINE_EVENT(pwm, pwm_apply,
TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state),
TP_ARGS(pwm, state)
);
DEFINE_EVENT(pwm, pwm_get,
TP_PROTO(struct pwm_device *pwm, const struct pwm_state *state),
TP_ARGS(pwm, state)
);
#endif /* _TRACE_PWM_H */
/* This part must be outside protection */
#include <trace/define_trace.h>