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pinctrl: adi2: 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: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Thierry Reding 2015-12-02 17:31:54 +01:00 committed by Linus Walleij
parent 588047686f
commit 9b0ee474cf
1 changed files with 8 additions and 16 deletions
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24
drivers/pinctrl/pinctrl-adi2.c
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@ -1102,32 +1102,24 @@ static struct platform_driver adi_gpio_driver = {
},
};
static struct platform_driver * const drivers[] = {
&adi_pinctrl_driver,
&adi_gpio_pint_driver,
&adi_gpio_driver,
};
static int __init adi_pinctrl_setup(void)
{
int ret;
ret = platform_driver_register(&adi_pinctrl_driver);
ret = platform_register_drivers(drivers, ARRAY_SIZE(drivers));
if (ret)
return ret;
ret = platform_driver_register(&adi_gpio_pint_driver);
if (ret)
goto pint_error;
ret = platform_driver_register(&adi_gpio_driver);
if (ret)
goto gpio_error;
#ifdef CONFIG_PM
register_syscore_ops(&gpio_pm_syscore_ops);
#endif
return ret;
gpio_error:
platform_driver_unregister(&adi_gpio_pint_driver);
pint_error:
platform_driver_unregister(&adi_pinctrl_driver);
return ret;
return 0;
}
arch_initcall(adi_pinctrl_setup);