diff options
Diffstat (limited to 'drivers/misc/atmel_pwm.c')
| -rw-r--r-- | drivers/misc/atmel_pwm.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/drivers/misc/atmel_pwm.c b/drivers/misc/atmel_pwm.c index 28f5aaa19d4..a6dc56e1bc5 100644 --- a/drivers/misc/atmel_pwm.c +++ b/drivers/misc/atmel_pwm.c @@ -90,8 +90,10 @@ int pwm_channel_alloc(int index, struct pwm_channel *ch) unsigned long flags; int status = 0; - /* insist on PWM init, with this signal pinned out */ - if (!pwm || !(pwm->mask & 1 << index)) + if (!pwm) + return -EPROBE_DEFER; + + if (!(pwm->mask & 1 << index)) return -ENODEV; if (index < 0 || index >= PWM_NCHAN || !ch) @@ -393,17 +395,7 @@ static struct platform_driver atmel_pwm_driver = { */ }; -static int __init pwm_init(void) -{ - return platform_driver_probe(&atmel_pwm_driver, pwm_probe); -} -module_init(pwm_init); - -static void __exit pwm_exit(void) -{ - platform_driver_unregister(&atmel_pwm_driver); -} -module_exit(pwm_exit); +module_platform_driver_probe(atmel_pwm_driver, pwm_probe); MODULE_DESCRIPTION("Driver for AT32/AT91 PWM module"); MODULE_LICENSE("GPL"); |