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authorThierry Reding <treding@nvidia.com>2015-12-02 17:32:53 +0100
committerMark Brown <broonie@kernel.org>2015-12-02 19:37:31 +0000
commit92a513b79f942dd86f906512352e2c6d7eca1d8b (patch)
tree13b6ec75af5fcdcca920a9ee8a7c759814d9d871 /drivers/regulator/wm831x-ldo.c
parent55e03e9c2d6909fd449cdcec9e933f6907f4820e (diff)
regulator: wm831x-ldo: Use platform_register/unregister_drivers()
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> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator/wm831x-ldo.c')
-rw-r--r--drivers/regulator/wm831x-ldo.c27
1 files changed, 8 insertions, 19 deletions
diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c
index 5a7b65e8a529..9ad2a29617e2 100644
--- a/drivers/regulator/wm831x-ldo.c
+++ b/drivers/regulator/wm831x-ldo.c
@@ -653,32 +653,21 @@ static struct platform_driver wm831x_alive_ldo_driver = {
},
};
+static struct platform_driver * const drivers[] = {
+ &wm831x_gp_ldo_driver,
+ &wm831x_aldo_driver,
+ &wm831x_alive_ldo_driver,
+};
+
static int __init wm831x_ldo_init(void)
{
- int ret;
-
- ret = platform_driver_register(&wm831x_gp_ldo_driver);
- if (ret != 0)
- pr_err("Failed to register WM831x GP LDO driver: %d\n", ret);
-
- ret = platform_driver_register(&wm831x_aldo_driver);
- if (ret != 0)
- pr_err("Failed to register WM831x ALDO driver: %d\n", ret);
-
- ret = platform_driver_register(&wm831x_alive_ldo_driver);
- if (ret != 0)
- pr_err("Failed to register WM831x alive LDO driver: %d\n",
- ret);
-
- return 0;
+ return platform_register_drivers(drivers, ARRAY_SIZE(drivers));
}
subsys_initcall(wm831x_ldo_init);
static void __exit wm831x_ldo_exit(void)
{
- platform_driver_unregister(&wm831x_alive_ldo_driver);
- platform_driver_unregister(&wm831x_aldo_driver);
- platform_driver_unregister(&wm831x_gp_ldo_driver);
+ platform_unregister_drivers(drivers, ARRAY_SIZE(drivers));
}
module_exit(wm831x_ldo_exit);