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Input: sparcspkr - 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: Dmitry Torokhov <dmitry.torokhov@gmail.com>
steinar/wifi_calib_4_9_kernel
Thierry Reding 2015-12-02 09:28:03 -08:00 committed by Dmitry Torokhov
parent 0eea505058
commit d352c0e1f3
1 changed files with 7 additions and 11 deletions
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18
drivers/input/misc/sparcspkr.c
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@ -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);