linux-kernel - [PATCH 2/2] regulator: max77686: Use module_platform

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Date:	Wed,  6 Apr 2016 09:49:47 -0400
From:	Javier Martinez Canillas <javier@....samsung.com>
To:	linux-kernel@...r.kernel.org
Cc:	Javier Martinez Canillas <javier@....samsung.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Mark Brown <broonie@...nel.org>
Subject: [PATCH 2/2] regulator: max77686: Use module_platform_driver() instead subsys initcall

The driver's init and exit function don't do anything besides registering
and unregistering the platform driver, so the module_platform_driver()
macro could just be used instead of having separate functions.

Currently the macro is not being used because the driver is initialized at
subsys init call level but this isn't necessary since consumer devices are
defined in the DT as dependencies so there's no need for init calls order.

Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>

---
This patch was tested on an Exynos5250 Snow Chromebook.

 drivers/regulator/max77686-regulator.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/regulator/max77686-regulator.c b/drivers/regulator/max77686-regulator.c
index 17ccf365a9c0..d1ab6a4da88f 100644
--- a/drivers/regulator/max77686-regulator.c
+++ b/drivers/regulator/max77686-regulator.c
@@ -553,17 +553,7 @@ static struct platform_driver max77686_pmic_driver = {
 	.id_table = max77686_pmic_id,
 };
 
-static int __init max77686_pmic_init(void)
-{
-	return platform_driver_register(&max77686_pmic_driver);
-}
-subsys_initcall(max77686_pmic_init);
-
-static void __exit max77686_pmic_cleanup(void)
-{
-	platform_driver_unregister(&max77686_pmic_driver);
-}
-module_exit(max77686_pmic_cleanup);
+module_platform_driver(max77686_pmic_driver);
 
 MODULE_DESCRIPTION("MAXIM 77686 Regulator Driver");
 MODULE_AUTHOR("Chiwoong Byun <woong.byun@...sung.com>");
-- 
2.5.0