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| author | Thierry Reding <treding@nvidia.com> | 2015-12-02 19:32:52 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-12-02 22:37:22 +0300 |
| commit | 55e03e9c2d6909fd449cdcec9e933f6907f4820e (patch) | |
| tree | 10a8bddc01cbbb9baaeae42c3561e98a372b03db /drivers/regulator/wm831x-dcdc.c | |
| parent | 8005c49d9aea74d382f474ce11afbbc7d7130bec (diff) | |
| download | linux-55e03e9c2d6909fd449cdcec9e933f6907f4820e.tar.xz | |
regulator: wm831x-dcdc: 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-dcdc.c')
| -rw-r--r-- | drivers/regulator/wm831x-dcdc.c | 31 |
1 files changed, 9 insertions, 22 deletions
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c index 8cbb82ceec40..05f69d1ede19 100644 --- a/drivers/regulator/wm831x-dcdc.c +++ b/drivers/regulator/wm831x-dcdc.c @@ -884,35 +884,22 @@ static struct platform_driver wm831x_epe_driver = { }, }; +static struct platform_driver * const drivers[] = { + &wm831x_buckv_driver, + &wm831x_buckp_driver, + &wm831x_boostp_driver, + &wm831x_epe_driver, +}; + static int __init wm831x_dcdc_init(void) { - int ret; - ret = platform_driver_register(&wm831x_buckv_driver); - if (ret != 0) - pr_err("Failed to register WM831x BUCKV driver: %d\n", ret); - - ret = platform_driver_register(&wm831x_buckp_driver); - if (ret != 0) - pr_err("Failed to register WM831x BUCKP driver: %d\n", ret); - - ret = platform_driver_register(&wm831x_boostp_driver); - if (ret != 0) - pr_err("Failed to register WM831x BOOST driver: %d\n", ret); - - ret = platform_driver_register(&wm831x_epe_driver); - if (ret != 0) - pr_err("Failed to register WM831x EPE driver: %d\n", ret); - - return 0; + return platform_register_drivers(drivers, ARRAY_SIZE(drivers)); } subsys_initcall(wm831x_dcdc_init); static void __exit wm831x_dcdc_exit(void) { - platform_driver_unregister(&wm831x_epe_driver); - platform_driver_unregister(&wm831x_boostp_driver); - platform_driver_unregister(&wm831x_buckp_driver); - platform_driver_unregister(&wm831x_buckv_driver); + platform_unregister_drivers(drivers, ARRAY_SIZE(drivers)); } module_exit(wm831x_dcdc_exit); |