diff options
Diffstat (limited to 'sound/drivers/serial-u16550.c')
| -rw-r--r-- | sound/drivers/serial-u16550.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/sound/drivers/serial-u16550.c b/sound/drivers/serial-u16550.c index 3381a43c592e..29676d800cae 100644 --- a/sound/drivers/serial-u16550.c +++ b/sound/drivers/serial-u16550.c @@ -168,6 +168,8 @@ typedef struct _snd_uart16550 { } snd_uart16550_t; +static struct platform_device *devices[SNDRV_CARDS]; + static inline void snd_uart16550_add_timer(snd_uart16550_t *uart) { if (! uart->timer_running) { @@ -970,6 +972,15 @@ static struct platform_driver snd_serial_driver = { }, }; +static void __init_or_module snd_serial_unregister_all(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(devices); ++i) + platform_device_unregister(devices[i]); + platform_driver_unregister(&snd_serial_driver); +} + static int __init alsa_card_serial_init(void) { int i, cards, err; @@ -986,6 +997,7 @@ static int __init alsa_card_serial_init(void) err = PTR_ERR(device); goto errout; } + devices[i] = device; cards++; } if (! cards) { @@ -998,13 +1010,13 @@ static int __init alsa_card_serial_init(void) return 0; errout: - platform_driver_unregister(&snd_serial_driver); + snd_serial_unregister_all(); return err; } static void __exit alsa_card_serial_exit(void) { - platform_driver_unregister(&snd_serial_driver); + snd_serial_unregister_all(); } module_init(alsa_card_serial_init) |