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More power management updates for 5.17-rc1

Browse Source 
This is a continuation of the rework of device power management
 macros used for declaring device power management callbacks (Paul
 Cercueil).
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Merge tag 'pm-5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more power management updates from Rafael Wysocki:
 "This is a continuation of the rework of device power management macros
  used for declaring device power management callbacks (Paul Cercueil)"

* tag 'pm-5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  iio: pressure: bmp280: Use new PM macros
  PM: runtime: Add EXPORT[_GPL]_RUNTIME_DEV_PM_OPS macros
  PM: runtime: Add DEFINE_RUNTIME_DEV_PM_OPS() macro
  PM: core: Add EXPORT[_GPL]_SIMPLE_DEV_PM_OPS macros
  PM: core: Remove static qualifier in DEFINE_SIMPLE_DEV_PM_OPS macro
  PM: core: Remove DEFINE_UNIVERSAL_DEV_PM_OPS() macro
This commit is contained in:
Linus Torvalds 2022-01-18 09:13:30 +02:00
commit 8357f6fb3d
7 changed files with 71 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/iio/pressure/bmp280-core.c
View File

@ -1138,7 +1138,6 @@ int bmp280_common_probe(struct device *dev,
}
EXPORT_SYMBOL(bmp280_common_probe);
#ifdef CONFIG_PM
static int bmp280_runtime_suspend(struct device *dev)
{
struct iio_dev *indio_dev = dev_get_drvdata(dev);
@ -1159,15 +1158,9 @@ static int bmp280_runtime_resume(struct device *dev)
usleep_range(data->start_up_time, data->start_up_time + 100);
return data->chip_info->chip_config(data);
}
#endif /* CONFIG_PM */
const struct dev_pm_ops bmp280_dev_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
pm_runtime_force_resume)
SET_RUNTIME_PM_OPS(bmp280_runtime_suspend,
bmp280_runtime_resume, NULL)
};
EXPORT_SYMBOL(bmp280_dev_pm_ops);
EXPORT_RUNTIME_DEV_PM_OPS(bmp280_dev_pm_ops, bmp280_runtime_suspend,
bmp280_runtime_resume, NULL);
MODULE_AUTHOR("Vlad Dogaru <vlad.dogaru@intel.com>");
MODULE_DESCRIPTION("Driver for Bosch Sensortec BMP180/BMP280 pressure and temperature sensor");

2
drivers/iio/pressure/bmp280-i2c.c
View File

@ -58,7 +58,7 @@ static struct i2c_driver bmp280_i2c_driver = {
.driver = {
.name = "bmp280",
.of_match_table = bmp280_of_i2c_match,
.pm = &bmp280_dev_pm_ops,
.pm = pm_ptr(&bmp280_dev_pm_ops),
},
.probe = bmp280_i2c_probe,
.id_table = bmp280_i2c_id,

2
drivers/iio/pressure/bmp280-spi.c
View File

@ -109,7 +109,7 @@ static struct spi_driver bmp280_spi_driver = {
.driver = {
.name = "bmp280",
.of_match_table = bmp280_of_spi_match,
.pm = &bmp280_dev_pm_ops,
.pm = pm_ptr(&bmp280_dev_pm_ops),
},
.id_table = bmp280_spi_id,
.probe = bmp280_spi_probe,

4
drivers/mmc/host/jz4740_mmc.c
View File

@ -1128,8 +1128,8 @@ static int jz4740_mmc_resume(struct device *dev)
return pinctrl_select_default_state(dev);
}
DEFINE_SIMPLE_DEV_PM_OPS(jz4740_mmc_pm_ops, jz4740_mmc_suspend,
jz4740_mmc_resume);
static DEFINE_SIMPLE_DEV_PM_OPS(jz4740_mmc_pm_ops, jz4740_mmc_suspend,
jz4740_mmc_resume);
static struct platform_driver jz4740_mmc_driver = {
.probe = jz4740_mmc_probe,

2
drivers/mmc/host/mxcmmc.c
View File

@ -1210,7 +1210,7 @@ static int mxcmci_resume(struct device *dev)
return ret;
}
DEFINE_SIMPLE_DEV_PM_OPS(mxcmci_pm_ops, mxcmci_suspend, mxcmci_resume);
static DEFINE_SIMPLE_DEV_PM_OPS(mxcmci_pm_ops, mxcmci_suspend, mxcmci_resume);
static struct platform_driver mxcmci_driver = {
.probe = mxcmci_probe,

55
include/linux/pm.h
View File

@ -8,6 +8,7 @@
#ifndef _LINUX_PM_H
#define _LINUX_PM_H
#include <linux/export.h>
#include <linux/list.h>
#include <linux/workqueue.h>
#include <linux/spinlock.h>
@ -357,13 +358,47 @@ struct dev_pm_ops {
#define SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn)
#endif
#define _DEFINE_DEV_PM_OPS(name, \
suspend_fn, resume_fn, \
runtime_suspend_fn, runtime_resume_fn, idle_fn) \
const struct dev_pm_ops name = { \
SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
RUNTIME_PM_OPS(runtime_suspend_fn, runtime_resume_fn, idle_fn) \
}
#ifdef CONFIG_PM
#define _EXPORT_DEV_PM_OPS(name, suspend_fn, resume_fn, runtime_suspend_fn, \
runtime_resume_fn, idle_fn, sec) \
_DEFINE_DEV_PM_OPS(name, suspend_fn, resume_fn, runtime_suspend_fn, \
runtime_resume_fn, idle_fn); \
_EXPORT_SYMBOL(name, sec)
#else
#define _EXPORT_DEV_PM_OPS(name, suspend_fn, resume_fn, runtime_suspend_fn, \
runtime_resume_fn, idle_fn, sec) \
static __maybe_unused _DEFINE_DEV_PM_OPS(__static_##name, suspend_fn, \
resume_fn, runtime_suspend_fn, \
runtime_resume_fn, idle_fn)
#endif
/*
* Use this if you want to use the same suspend and resume callbacks for suspend
* to RAM and hibernation.
*
* If the underlying dev_pm_ops struct symbol has to be exported, use
* EXPORT_SIMPLE_DEV_PM_OPS() or EXPORT_GPL_SIMPLE_DEV_PM_OPS() instead.
*/
#define DEFINE_SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \
static const struct dev_pm_ops name = { \
SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
_DEFINE_DEV_PM_OPS(name, suspend_fn, resume_fn, NULL, NULL, NULL)
#define EXPORT_SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \
_EXPORT_DEV_PM_OPS(name, suspend_fn, resume_fn, NULL, NULL, NULL, "")
#define EXPORT_GPL_SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \
_EXPORT_DEV_PM_OPS(name, suspend_fn, resume_fn, NULL, NULL, NULL, "_gpl")
/* Deprecated. Use DEFINE_SIMPLE_DEV_PM_OPS() instead. */
#define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \
const struct dev_pm_ops __maybe_unused name = { \
SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
}
/*
@ -378,20 +413,10 @@ static const struct dev_pm_ops name = { \
* suspend and "early" resume callback pointers, .suspend_late() and
* .resume_early(), to the same routines as .runtime_suspend() and
* .runtime_resume(), respectively (and analogously for hibernation).
*
* Deprecated. You most likely don't want this macro. Use
* DEFINE_RUNTIME_DEV_PM_OPS() instead.
*/
#define DEFINE_UNIVERSAL_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \
static const struct dev_pm_ops name = { \
SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
}
/* Deprecated. Use DEFINE_SIMPLE_DEV_PM_OPS() instead. */
#define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \
const struct dev_pm_ops __maybe_unused name = { \
SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
}
/* Deprecated. Use DEFINE_UNIVERSAL_DEV_PM_OPS() instead. */
#define UNIVERSAL_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \
const struct dev_pm_ops __maybe_unused name = { \
SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \

24
include/linux/pm_runtime.h
View File

@ -22,6 +22,30 @@
usage_count */
#define RPM_AUTO 0x08 /* Use autosuspend_delay */
/*
* Use this for defining a set of PM operations to be used in all situations
* (system suspend, hibernation or runtime PM).
*
* Note that the behaviour differs from the deprecated UNIVERSAL_DEV_PM_OPS()
* macro, which uses the provided callbacks for both runtime PM and system
* sleep, while DEFINE_RUNTIME_DEV_PM_OPS() uses pm_runtime_force_suspend()
* and pm_runtime_force_resume() for its system sleep callbacks.
*
* If the underlying dev_pm_ops struct symbol has to be exported, use
* EXPORT_RUNTIME_DEV_PM_OPS() or EXPORT_GPL_RUNTIME_DEV_PM_OPS() instead.
*/
#define DEFINE_RUNTIME_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \
_DEFINE_DEV_PM_OPS(name, pm_runtime_force_suspend, \
pm_runtime_force_resume, suspend_fn, \
resume_fn, idle_fn)
#define EXPORT_RUNTIME_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \
_EXPORT_DEV_PM_OPS(name, pm_runtime_force_suspend, pm_runtime_force_resume, \
suspend_fn, resume_fn, idle_fn, "")
#define EXPORT_GPL_RUNTIME_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \
_EXPORT_DEV_PM_OPS(name, pm_runtime_force_suspend, pm_runtime_force_resume, \
suspend_fn, resume_fn, idle_fn, "_gpl")
#ifdef CONFIG_PM
extern struct workqueue_struct *pm_wq;