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SubjectRe: [PATCH] Input: sparcspkr - Use platform_register/unregister_drivers()
On Wed, Dec 02, 2015 at 05:25:19PM +0100, Thierry Reding wrote:
> 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>

Applied, thank you.

> ---
> 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
>

--
Dmitry


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