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Message-Id: <1449073973-12863-1-git-send-email-thierry.reding@gmail.com>
Date: Wed, 2 Dec 2015 17:32:51 +0100
From: Thierry Reding <thierry.reding@...il.com>
To: Mark Brown <broonie@...nel.org>
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] regulator: lp8788-ldo: Use platform_register/unregister_drivers()
From: Thierry Reding <treding@...dia.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@...dia.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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