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mfd: pcf50633: Remove #ifdef guards for PM related functions

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Use the new EXPORT_GPL_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr() macros
to handle the .suspend/.resume callbacks.

These macros allow the suspend and resume functions to be automatically
dropped by the compiler when CONFIG_SUSPEND is disabled, without having
to use #ifdef guards.

This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Paul Cercueil 2022-10-23 10:48:30 +01:00 committed by Lee Jones
parent e1243e0d72
commit 245cb473e5
3 changed files with 11 additions and 30 deletions
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22
drivers/mfd/pcf50633-core.c
View File

@ -158,26 +158,6 @@ pcf50633_client_dev_register(struct pcf50633 *pcf, const char *name,
}
}
#ifdef CONFIG_PM_SLEEP
static int pcf50633_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct pcf50633 *pcf = i2c_get_clientdata(client);
return pcf50633_irq_suspend(pcf);
}
static int pcf50633_resume(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct pcf50633 *pcf = i2c_get_clientdata(client);
return pcf50633_irq_resume(pcf);
}
#endif
static SIMPLE_DEV_PM_OPS(pcf50633_pm, pcf50633_suspend, pcf50633_resume);
static const struct regmap_config pcf50633_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
@ -299,7 +279,7 @@ MODULE_DEVICE_TABLE(i2c, pcf50633_id_table);
static struct i2c_driver pcf50633_driver = {
.driver = {
.name = "pcf50633",
.pm = &pcf50633_pm,
.pm = pm_sleep_ptr(&pcf50633_pm),
},
.id_table = pcf50633_id_table,
.probe_new = pcf50633_probe,

13
drivers/mfd/pcf50633-irq.c
View File

@ -7,6 +7,7 @@
* All rights reserved.
*/
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/mutex.h>
@ -218,10 +219,10 @@ static irqreturn_t pcf50633_irq(int irq, void *data)
return IRQ_HANDLED;
}
#ifdef CONFIG_PM
int pcf50633_irq_suspend(struct pcf50633 *pcf)
static int pcf50633_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct pcf50633 *pcf = i2c_get_clientdata(client);
int ret;
int i;
u8 res[5];
@ -257,8 +258,10 @@ int pcf50633_irq_suspend(struct pcf50633 *pcf)
return ret;
}
int pcf50633_irq_resume(struct pcf50633 *pcf)
static int pcf50633_resume(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct pcf50633 *pcf = i2c_get_clientdata(client);
int ret;
/* Write the saved mask registers */
@ -273,7 +276,7 @@ int pcf50633_irq_resume(struct pcf50633 *pcf)
return ret;
}
#endif
EXPORT_GPL_SIMPLE_DEV_PM_OPS(pcf50633_pm, pcf50633_suspend, pcf50633_resume);
int pcf50633_irq_init(struct pcf50633 *pcf, int irq)
{

6
include/linux/mfd/pcf50633/core.h
View File

@ -13,6 +13,7 @@
#include <linux/workqueue.h>
#include <linux/regulator/driver.h>
#include <linux/regulator/machine.h>
#include <linux/pm.h>
#include <linux/power_supply.h>
#include <linux/mfd/pcf50633/backlight.h>
@ -226,9 +227,6 @@ static inline struct pcf50633 *dev_to_pcf50633(struct device *dev)
int pcf50633_irq_init(struct pcf50633 *pcf, int irq);
void pcf50633_irq_free(struct pcf50633 *pcf);
#ifdef CONFIG_PM
int pcf50633_irq_suspend(struct pcf50633 *pcf);
int pcf50633_irq_resume(struct pcf50633 *pcf);
#endif
extern const struct dev_pm_ops pcf50633_pm;
#endif