Messages in this thread Patch in this message | | | From | Thierry Reding <> | Subject | [PATCH] Input: sparcspkr - Use platform_register/unregister_drivers() | Date | Wed, 2 Dec 2015 17:25:19 +0100 |
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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/input/misc/sparcspkr.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-)
diff --git a/drivers/input/misc/sparcspkr.c b/drivers/input/misc/sparcspkr.c index 6f997aa49183..4a5afc7fe96e 100644 --- a/drivers/input/misc/sparcspkr.c +++ b/drivers/input/misc/sparcspkr.c @@ -345,23 +345,19 @@ static struct platform_driver grover_beep_driver = { .shutdown = sparcspkr_shutdown, }; +static struct platform_driver * const drivers[] = { + &bbc_beep_driver, + &grover_beep_driver, +}; + static int __init sparcspkr_init(void) { - int err = platform_driver_register(&bbc_beep_driver); - - if (!err) { - err = platform_driver_register(&grover_beep_driver); - if (err) - platform_driver_unregister(&bbc_beep_driver); - } - - return err; + return platform_register_drivers(drivers, ARRAY_SIZE(drivers)); } static void __exit sparcspkr_exit(void) { - platform_driver_unregister(&bbc_beep_driver); - platform_driver_unregister(&grover_beep_driver); + platform_unregister_drivers(drivers, ARRAY_SIZE(drivers)); } module_init(sparcspkr_init); -- 2.5.0
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