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[PATCH 1/3] regulator: lp8788-ldo: Use platform_register/unregister_drivers()

From Thierry Reding <thierry.reding@gmail.com>
Newsgroups linux.kernel
Subject [PATCH 1/3] regulator: lp8788-ldo: Use platform_register/unregister_drivers()
Date 2015-12-02 17:40 +0100
Message-ID <qBiBJ-1dB-27@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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From: Thierry Reding <treding@nvidia.com>

These new helpers simplify implementing multi-driver modules and
properly handle failure to register one driver by unregistering all
previously registered drivers.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 drivers/regulator/lp8788-ldo.c | 16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)

diff --git a/drivers/regulator/lp8788-ldo.c b/drivers/regulator/lp8788-ldo.c
index 9f22d079c8cc..30e28b131126 100644
--- a/drivers/regulator/lp8788-ldo.c
+++ b/drivers/regulator/lp8788-ldo.c
@@ -613,22 +613,20 @@ static struct platform_driver lp8788_aldo_driver = {
 	},
 };
 
+static struct platform_driver * const drivers[] = {
+	&lp8788_dldo_driver,
+	&lp8788_aldo_driver,
+};
+
 static int __init lp8788_ldo_init(void)
 {
-	int ret;
-
-	ret = platform_driver_register(&lp8788_dldo_driver);
-	if (ret)
-		return ret;
-
-	return platform_driver_register(&lp8788_aldo_driver);
+	return platform_register_drivers(drivers, ARRAY_SIZE(drivers));
 }
 subsys_initcall(lp8788_ldo_init);
 
 static void __exit lp8788_ldo_exit(void)
 {
-	platform_driver_unregister(&lp8788_aldo_driver);
-	platform_driver_unregister(&lp8788_dldo_driver);
+	platform_unregister_drivers(drivers, ARRAY_SIZE(drivers));
 }
 module_exit(lp8788_ldo_exit);
 
-- 
2.5.0

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[PATCH 1/3] regulator: lp8788-ldo: Use platform_register/unregister_drivers() Thierry Reding <thierry.reding@gmail.com> - 2015-12-02 17:40 +0100
  Applied "regulator: lp8788-ldo: Use platform_register/unregister_drivers()" to the regulator tree Mark Brown <broonie@kernel.org> - 2015-12-02 21:20 +0100

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