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

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>

drivers/mfd/stmpe-i2c.c

@@ -115,9 +115,7 @@ MODULE_DEVICE_TABLE(i2c, stmpe_i2c_id);
 static struct i2c_driver stmpe_i2c_driver = {
 	.driver = {
 		.name = "stmpe-i2c",
-#ifdef CONFIG_PM
-		.pm = &stmpe_dev_pm_ops,
-#endif
+		.pm = pm_sleep_ptr(&stmpe_dev_pm_ops),
 		.of_match_table = stmpe_of_match,
 	},
 	.probe_new	= stmpe_i2c_probe,

drivers/mfd/stmpe-spi.c

@@ -135,9 +135,7 @@ static struct spi_driver stmpe_spi_driver = {
 	.driver = {
 		.name	= "stmpe-spi",
 		.of_match_table = of_match_ptr(stmpe_spi_of_match),
-#ifdef CONFIG_PM
-		.pm	= &stmpe_dev_pm_ops,
-#endif
+		.pm	= pm_sleep_ptr(&stmpe_dev_pm_ops),
 	},
 	.probe		= stmpe_spi_probe,
 	.remove		= stmpe_spi_remove,

drivers/mfd/stmpe.c

@@ -1495,7 +1495,6 @@ void stmpe_remove(struct stmpe *stmpe)
 	mfd_remove_devices(stmpe->dev);
 }
 
-#ifdef CONFIG_PM
 static int stmpe_suspend(struct device *dev)
 {
 	struct stmpe *stmpe = dev_get_drvdata(dev);
@@ -1516,8 +1515,5 @@ static int stmpe_resume(struct device *dev)
 	return 0;
 }
 
-const struct dev_pm_ops stmpe_dev_pm_ops = {
-	.suspend	= stmpe_suspend,
-	.resume		= stmpe_resume,
-};
-#endif
+EXPORT_GPL_SIMPLE_DEV_PM_OPS(stmpe_dev_pm_ops,
+			     stmpe_suspend, stmpe_resume);