diff options
| author | Jean Delvare <jdelvare@suse.de> | 2014-03-14 13:16:47 +0100 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2014-03-31 13:35:05 +0200 |
| commit | 78411be4c7136054dab4635d2dbd848c3c9f7eae (patch) | |
| tree | 8bb04653044e7069663a207d4bc1c08ccd7d361b /drivers/watchdog | |
| parent | watchdog: advantechwdt: Use platform_driver_probe (diff) | |
| download | linux-78411be4c7136054dab4635d2dbd848c3c9f7eae.tar.xz linux-78411be4c7136054dab4635d2dbd848c3c9f7eae.zip | |
watchdog: geodewdt: Use platform_driver_probe
Using platform_driver_probe instead of platform_driver_register has
two benefits:
* The driver will fail to load if device probing fails.
* The probe function can be marked __init.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/geodewdt.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/watchdog/geodewdt.c b/drivers/watchdog/geodewdt.c index 4a6ae84b42bc..4c43e3fa8bd2 100644 --- a/drivers/watchdog/geodewdt.c +++ b/drivers/watchdog/geodewdt.c @@ -215,7 +215,7 @@ static struct miscdevice geodewdt_miscdev = { .fops = &geodewdt_fops, }; -static int geodewdt_probe(struct platform_device *dev) +static int __init geodewdt_probe(struct platform_device *dev) { int ret; @@ -255,7 +255,6 @@ static void geodewdt_shutdown(struct platform_device *dev) } static struct platform_driver geodewdt_driver = { - .probe = geodewdt_probe, .remove = geodewdt_remove, .shutdown = geodewdt_shutdown, .driver = { @@ -268,20 +267,18 @@ static int __init geodewdt_init(void) { int ret; - ret = platform_driver_register(&geodewdt_driver); - if (ret) - return ret; - geodewdt_platform_device = platform_device_register_simple(DRV_NAME, -1, NULL, 0); - if (IS_ERR(geodewdt_platform_device)) { - ret = PTR_ERR(geodewdt_platform_device); + if (IS_ERR(geodewdt_platform_device)) + return PTR_ERR(geodewdt_platform_device); + + ret = platform_driver_probe(&geodewdt_driver, geodewdt_probe); + if (ret) goto err; - } return 0; err: - platform_driver_unregister(&geodewdt_driver); + platform_device_unregister(geodewdt_platform_device); return ret; } |