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From:   Paul Cercueil <paul@crapouillou.net>
To:     Lee Jones <lee.jones@linaro.org>
Cc:     linux-kernel@vger.kernel.org, Paul Cercueil <paul@crapouillou.net>
Subject: [PATCH 01/28] mfd: 88pm80x: Remove #ifdef guards for PM related functions
Date:   Sun,  7 Aug 2022 16:52:20 +0200
Message-Id: <20220807145247.46107-2-paul@crapouillou.net>
In-Reply-To: <20220807145247.46107-1-paul@crapouillou.net>
References: <20220807145247.46107-1-paul@crapouillou.net>
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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.

The advantage is then that these functions are now always compiled
independently of any Kconfig option, and thanks to that bugs and
regressions are easier to catch.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---
 drivers/mfd/88pm800.c | 2 +-
 drivers/mfd/88pm805.c | 2 +-
 drivers/mfd/88pm80x.c | 5 +----
 3 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
index eaf9845633b4..409f0996ae1d 100644
--- a/drivers/mfd/88pm800.c
+++ b/drivers/mfd/88pm800.c
@@ -599,7 +599,7 @@ static int pm800_remove(struct i2c_client *client)
 static struct i2c_driver pm800_driver = {
 	.driver = {
 		.name = "88PM800",
-		.pm = &pm80x_pm_ops,
+		.pm = pm_sleep_ptr(&pm80x_pm_ops),
 		},
 	.probe = pm800_probe,
 	.remove = pm800_remove,
diff --git a/drivers/mfd/88pm805.c b/drivers/mfd/88pm805.c
index ada6c513302b..724ac4947e6f 100644
--- a/drivers/mfd/88pm805.c
+++ b/drivers/mfd/88pm805.c
@@ -254,7 +254,7 @@ static int pm805_remove(struct i2c_client *client)
 static struct i2c_driver pm805_driver = {
 	.driver = {
 		.name = "88PM805",
-		.pm = &pm80x_pm_ops,
+		.pm = pm_sleep_ptr(&pm80x_pm_ops),
 		},
 	.probe = pm805_probe,
 	.remove = pm805_remove,
diff --git a/drivers/mfd/88pm80x.c b/drivers/mfd/88pm80x.c
index be036e7e787b..ac4f08565f29 100644
--- a/drivers/mfd/88pm80x.c
+++ b/drivers/mfd/88pm80x.c
@@ -129,7 +129,6 @@ int pm80x_deinit(void)
 }
 EXPORT_SYMBOL_GPL(pm80x_deinit);
 
-#ifdef CONFIG_PM_SLEEP
 static int pm80x_suspend(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
@@ -153,10 +152,8 @@ static int pm80x_resume(struct device *dev)
 
 	return 0;
 }
-#endif
 
-SIMPLE_DEV_PM_OPS(pm80x_pm_ops, pm80x_suspend, pm80x_resume);
-EXPORT_SYMBOL_GPL(pm80x_pm_ops);
+EXPORT_GPL_SIMPLE_DEV_PM_OPS(pm80x_pm_ops, pm80x_suspend, pm80x_resume);
 
 MODULE_DESCRIPTION("I2C Driver for Marvell 88PM80x");
 MODULE_AUTHOR("Qiao Zhou <zhouqiao@marvell.com>");
-- 
2.35.1