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leds: sunfire: Use platform_register/unregister_drivers()

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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: Jacek Anaszewski <j.anaszewski@samsung.com>
This commit is contained in:
Thierry Reding 2015-12-02 17:27:01 +01:00 committed by Jacek Anaszewski
parent 8891161567
commit 6e25e641e9
1 changed files with 7 additions and 16 deletions
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23
drivers/leds/leds-sunfire.c
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@ -234,28 +234,19 @@ static struct platform_driver sunfire_fhc_led_driver = {
},
};
static struct platform_driver * const drivers[] = {
&sunfire_clockboard_led_driver,
&sunfire_fhc_led_driver,
};
static int __init sunfire_leds_init(void)
{
int err = platform_driver_register(&sunfire_clockboard_led_driver);
if (err) {
pr_err("Could not register clock board LED driver\n");
return err;
}
err = platform_driver_register(&sunfire_fhc_led_driver);
if (err) {
pr_err("Could not register FHC LED driver\n");
platform_driver_unregister(&sunfire_clockboard_led_driver);
}
return err;
return platform_register_drivers(drivers, ARRAY_SIZE(drivers));
}
static void __exit sunfire_leds_exit(void)
{
platform_driver_unregister(&sunfire_clockboard_led_driver);
platform_driver_unregister(&sunfire_fhc_led_driver);
platform_unregister_drivers(drivers, ARRAY_SIZE(drivers));
}
module_init(sunfire_leds_init);