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author | Thierry Reding <treding@nvidia.com> | 2015-12-02 16:32:53 (GMT) |
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committer | Mark Brown <broonie@kernel.org> | 2015-12-02 19:37:31 (GMT) |
commit | 92a513b79f942dd86f906512352e2c6d7eca1d8b (patch) | |
tree | 13b6ec75af5fcdcca920a9ee8a7c759814d9d871 /drivers/regulator/wm831x-ldo.c | |
parent | 55e03e9c2d6909fd449cdcec9e933f6907f4820e (diff) | |
download | linux-92a513b79f942dd86f906512352e2c6d7eca1d8b.tar.xz |
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.c | 27 |
1 files changed, 8 insertions, 19 deletions
diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c index 5a7b65e..9ad2a29 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); |