Hi Slawomir,
On Thu, Oct 27, 2016 at 04:15:54PM +0200, Slawomir Stepien wrote:
> The gpio_keys_init() and gpio_keys_exit() are not doing anything
> more then just register and unregister. Replace these functions with
> module_platform_driver.
>
> Signed-off-by: Slawomir Stepien <s...@poczta.fm>
> ---
> drivers/input/keyboard/gpio_keys.c | 13 +------------
> 1 file changed, 1 insertion(+), 12 deletions(-)
>
> diff --git a/drivers/input/keyboard/gpio_keys.c
> b/drivers/input/keyboard/gpio_keys.c
> index 2909365..e54b586 100644
> --- a/drivers/input/keyboard/gpio_keys.c
> +++ b/drivers/input/keyboard/gpio_keys.c
> @@ -877,18 +877,7 @@ static struct platform_driver gpio_keys_device_driver = {
> }
> };
>
> -static int __init gpio_keys_init(void)
> -{
> - return platform_driver_register(&gpio_keys_device_driver);
> -}
> -
> -static void __exit gpio_keys_exit(void)
> -{
> - platform_driver_unregister(&gpio_keys_device_driver);
> -}
> -
> -late_initcall(gpio_keys_init);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Because of this we can't switch to module_platform_driver(). The
late_initcall was requirement of one of platforms because of the probe
ordering issues. It may be resolved now with deferred probing, but you'd
need to confirm with all the users.
> -module_exit(gpio_keys_exit);
> +module_platform_driver(gpio_keys_device_driver);
>
> MODULE_LICENSE("GPL");
> MODULE_AUTHOR("Phil Blundell <p...@handhelds.org>");
> --
> 2.10.0
Thanks.
--
Dmitry
