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Commit 20d7090f authored by Thierry Reding's avatar Thierry Reding Committed by Linus Walleij
Browse files

gpio: mpc5200: 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: default avatarThierry Reding <treding@nvidia.com>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 12b61c9d
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+7 −10
Original line number Diff line number Diff line
@@ -360,15 +360,14 @@ static struct platform_driver mpc52xx_simple_gpiochip_driver = {
	.remove = mpc52xx_gpiochip_remove,
};

static struct platform_driver * const drivers[] = {
	&mpc52xx_wkup_gpiochip_driver,
	&mpc52xx_simple_gpiochip_driver,
};

static int __init mpc52xx_gpio_init(void)
{
	if (platform_driver_register(&mpc52xx_wkup_gpiochip_driver))
		printk(KERN_ERR "Unable to register wakeup GPIO driver\n");

	if (platform_driver_register(&mpc52xx_simple_gpiochip_driver))
		printk(KERN_ERR "Unable to register simple GPIO driver\n");

	return 0;
	return platform_register_drivers(drivers, ARRAY_SIZE(drivers));
}

/* Make sure we get initialised before anyone else tries to use us */
@@ -376,9 +375,7 @@ subsys_initcall(mpc52xx_gpio_init);

static void __exit mpc52xx_gpio_exit(void)
{
	platform_driver_unregister(&mpc52xx_wkup_gpiochip_driver);

	platform_driver_unregister(&mpc52xx_simple_gpiochip_driver);
	platform_unregister_drivers(drivers, ARRAY_SIZE(drivers));
}
module_exit(mpc52xx_gpio_exit);