pinctrl: at91: 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: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index 0d2fc0c..47b625b 100644
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -1828,20 +1828,20 @@
.remove = at91_pinctrl_remove,
};
+static struct platform_driver * const drivers[] = {
+ &at91_gpio_driver,
+ &at91_pinctrl_driver,
+};
+
static int __init at91_pinctrl_init(void)
{
- int ret;
-
- ret = platform_driver_register(&at91_gpio_driver);
- if (ret)
- return ret;
- return platform_driver_register(&at91_pinctrl_driver);
+ return platform_register_drivers(drivers, ARRAY_SIZE(drivers));
}
arch_initcall(at91_pinctrl_init);
static void __exit at91_pinctrl_exit(void)
{
- platform_driver_unregister(&at91_pinctrl_driver);
+ platform_unregister_drivers(drivers, ARRAY_SIZE(drivers));
}
module_exit(at91_pinctrl_exit);