diff options
| author | Thierry Reding <treding@nvidia.com> | 2015-12-02 19:19:55 +0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2015-12-10 21:28:05 +0300 |
| commit | 20d7090ffd4a30c66f3e2eb6741bb1e5baa56e8b (patch) | |
| tree | a1e8dd34bf809bb8a329908a6edd7fd61f108c1d | |
| parent | 12b61c9d7e0750f2569392999fcfa85778185b06 (diff) | |
| download | linux-20d7090ffd4a30c66f3e2eb6741bb1e5baa56e8b.tar.xz | |
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: Thierry Reding <treding@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| -rw-r--r-- | drivers/gpio/gpio-mpc5200.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/gpio/gpio-mpc5200.c b/drivers/gpio/gpio-mpc5200.c index 4c542153e923..044bbbb747f2 100644 --- a/drivers/gpio/gpio-mpc5200.c +++ b/drivers/gpio/gpio-mpc5200.c @@ -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); |