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net: bcm63xx: 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: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thierry Reding 2015-12-02 17:30:27 +01:00 committed by David S. Miller
parent 36b9ddd535
commit 0d1c744cbd
1 changed files with 8 additions and 20 deletions
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28
drivers/net/ethernet/broadcom/bcm63xx_enet.c
View File

@ -2884,33 +2884,21 @@ struct platform_driver bcm63xx_enet_shared_driver = {
},
};
static struct platform_driver * const drivers[] = {
&bcm63xx_enet_shared_driver,
&bcm63xx_enet_driver,
&bcm63xx_enetsw_driver,
};
/* entry point */
static int __init bcm_enet_init(void)
{
int ret;
ret = platform_driver_register(&bcm63xx_enet_shared_driver);
if (ret)
return ret;
ret = platform_driver_register(&bcm63xx_enet_driver);
if (ret)
platform_driver_unregister(&bcm63xx_enet_shared_driver);
ret = platform_driver_register(&bcm63xx_enetsw_driver);
if (ret) {
platform_driver_unregister(&bcm63xx_enet_driver);
platform_driver_unregister(&bcm63xx_enet_shared_driver);
}
return ret;
return platform_register_drivers(drivers, ARRAY_SIZE(drivers));
}
static void __exit bcm_enet_exit(void)
{
platform_driver_unregister(&bcm63xx_enet_driver);
platform_driver_unregister(&bcm63xx_enetsw_driver);
platform_driver_unregister(&bcm63xx_enet_shared_driver);
platform_unregister_drivers(drivers, ARRAY_SIZE(drivers));
}