From 28fae81f93d5482f25bb8e9881104ad1157c2cfd Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Wed, 2 Dec 2015 17:24:20 +0100 Subject: [PATCH] gpu: host1x: 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 --- drivers/gpu/host1x/dev.c | 22 ++++++++-------------- 1 file changed, 8 insertions(+), 14 deletions(-) diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index 53d3d1d..64d9b70 100644 --- a/drivers/gpu/host1x/dev.c +++ b/drivers/gpu/host1x/dev.c @@ -212,6 +212,11 @@ static struct platform_driver tegra_host1x_driver = { .remove = host1x_remove, }; +static struct platform_driver * const drivers[] = { + &tegra_host1x_driver, + &tegra_mipi_driver, +}; + static int __init tegra_host1x_init(void) { int err; @@ -220,28 +225,17 @@ static int __init tegra_host1x_init(void) if (err < 0) return err; - err = platform_driver_register(&tegra_host1x_driver); - if (err < 0) - goto unregister_bus; - - err = platform_driver_register(&tegra_mipi_driver); + err = platform_register_drivers(drivers, ARRAY_SIZE(drivers)); if (err < 0) - goto unregister_host1x; + bus_unregister(&host1x_bus_type); - return 0; - -unregister_host1x: - platform_driver_unregister(&tegra_host1x_driver); -unregister_bus: - bus_unregister(&host1x_bus_type); return err; } module_init(tegra_host1x_init); static void __exit tegra_host1x_exit(void) { - platform_driver_unregister(&tegra_mipi_driver); - platform_driver_unregister(&tegra_host1x_driver); + platform_unregister_drivers(drivers, ARRAY_SIZE(drivers)); bus_unregister(&host1x_bus_type); } module_exit(tegra_host1x_exit); -- 2.7.4