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From:   Paul Cercueil <paul@crapouillou.net>
To:     Lee Jones <lee@kernel.org>
Cc:     linux-kernel@vger.kernel.org, Paul Cercueil <paul@crapouillou.net>,
        Michael Hennerich <michael.hennerich@analog.com>
Subject: [PATCH v3 03/28] mfd: adp5520: Remove #ifdef guards for PM related functions
Date:   Sun, 23 Oct 2022 10:48:27 +0100
Message-Id: <20221023094852.8035-4-paul@crapouillou.net>
In-Reply-To: <20221023094852.8035-1-paul@crapouillou.net>
References: <20221023094852.8035-1-paul@crapouillou.net>
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Use the new DEFINE_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>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
---
 drivers/mfd/adp5520.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/mfd/adp5520.c b/drivers/mfd/adp5520.c
index 8db15f5a7179..882eddc32f8e 100644
--- a/drivers/mfd/adp5520.c
+++ b/drivers/mfd/adp5520.c
@@ -305,7 +305,6 @@ static int adp5520_probe(struct i2c_client *client,
 	return ret;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int adp5520_suspend(struct device *dev)
 {
 	struct i2c_client *client = to_i2c_client(dev);
@@ -326,9 +325,8 @@ static int adp5520_resume(struct device *dev)
 	adp5520_write(chip->dev, ADP5520_MODE_STATUS, chip->mode);
 	return 0;
 }
-#endif
 
-static SIMPLE_DEV_PM_OPS(adp5520_pm, adp5520_suspend, adp5520_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(adp5520_pm, adp5520_suspend, adp5520_resume);
 
 static const struct i2c_device_id adp5520_id[] = {
 	{ "pmic-adp5520", ID_ADP5520 },
@@ -339,7 +337,7 @@ static const struct i2c_device_id adp5520_id[] = {
 static struct i2c_driver adp5520_driver = {
 	.driver = {
 		.name			= "adp5520",
-		.pm			= &adp5520_pm,
+		.pm			= pm_sleep_ptr(&adp5520_pm),
 		.suppress_bind_attrs	= true,
 	},
 	.probe		= adp5520_probe,
-- 
2.35.1