diff options
author | Clemens Ladisch <clemens@ladisch.de> | 2005-12-07 11:13:42 +0300 |
---|---|---|
committer | Jaroslav Kysela <perex@suse.cz> | 2006-01-03 14:30:39 +0300 |
commit | f7a9275d949cb0bf1f259a1546e52a0bf518151c (patch) | |
tree | 4d96d9b6196d43684903857ba676dc51bbde4026 /sound/isa/cs423x | |
parent | 416c1079d30f1a52399b96f6772e993274b774ae (diff) | |
download | linux-f7a9275d949cb0bf1f259a1546e52a0bf518151c.tar.xz |
[ALSA] unregister platform devices
Call platform_device_unregister() for all platform devices that we've
registered.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Diffstat (limited to 'sound/isa/cs423x')
-rw-r--r-- | sound/isa/cs423x/cs4231.c | 16 | ||||
-rw-r--r-- | sound/isa/cs423x/cs4236.c | 51 |
2 files changed, 50 insertions, 17 deletions
diff --git a/sound/isa/cs423x/cs4231.c b/sound/isa/cs423x/cs4231.c index b5252a5d7412..ab67b5c2590d 100644 --- a/sound/isa/cs423x/cs4231.c +++ b/sound/isa/cs423x/cs4231.c @@ -66,6 +66,8 @@ MODULE_PARM_DESC(dma1, "DMA1 # for CS4231 driver."); module_param_array(dma2, int, NULL, 0444); MODULE_PARM_DESC(dma2, "DMA2 # for CS4231 driver."); +static struct platform_device *devices[SNDRV_CARDS]; + static int __init snd_cs4231_probe(struct platform_device *pdev) { @@ -183,6 +185,15 @@ static struct platform_driver snd_cs4231_driver = { }, }; +static void __init_or_module snd_cs4231_unregister_all(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(devices); ++i) + platform_device_unregister(devices[i]); + platform_driver_unregister(&snd_cs4231_driver); +} + static int __init alsa_card_cs4231_init(void) { int i, cards, err; @@ -200,6 +211,7 @@ static int __init alsa_card_cs4231_init(void) err = PTR_ERR(device); goto errout; } + devices[i] = device; cards++; } if (!cards) { @@ -212,13 +224,13 @@ static int __init alsa_card_cs4231_init(void) return 0; errout: - platform_driver_unregister(&snd_cs4231_driver); + snd_cs4231_unregister_all(); return err; } static void __exit alsa_card_cs4231_exit(void) { - platform_driver_unregister(&snd_cs4231_driver); + snd_cs4231_unregister_all(); } module_init(alsa_card_cs4231_init) diff --git a/sound/isa/cs423x/cs4236.c b/sound/isa/cs423x/cs4236.c index 9e399b6e6ed9..e1683337e6cd 100644 --- a/sound/isa/cs423x/cs4236.c +++ b/sound/isa/cs423x/cs4236.c @@ -124,6 +124,12 @@ MODULE_PARM_DESC(dma1, "DMA1 # for " IDENT " driver."); module_param_array(dma2, int, NULL, 0444); MODULE_PARM_DESC(dma2, "DMA2 # for " IDENT " driver."); +static struct platform_device *platform_devices[SNDRV_CARDS]; +static int pnpc_registered; +#ifdef CS4232 +static int pnp_registered; +#endif + struct snd_card_cs4236 { struct snd_cs4231 *chip; struct resource *res_sb_port; @@ -737,6 +743,21 @@ static struct pnp_card_driver cs423x_pnpc_driver = { }; #endif /* CONFIG_PNP */ +static void __init_or_module snd_cs423x_unregister_all(void) +{ + int i; + + if (pnpc_registered) + pnp_unregister_card_driver(&cs423x_pnpc_driver); +#ifdef CS4232 + if (pnp_registered) + pnp_unregister_driver(&cs4232_pnp_driver); +#endif + for (i = 0; i < ARRAY_SIZE(platform_devices); ++i) + platform_device_unregister(platform_devices[i]); + platform_driver_unregister(&cs423x_nonpnp_driver); +} + static int __init alsa_card_cs423x_init(void) { int i, err, cards = 0; @@ -752,40 +773,40 @@ static int __init alsa_card_cs423x_init(void) i, NULL, 0); if (IS_ERR(device)) { err = PTR_ERR(device); - platform_driver_unregister(&cs423x_nonpnp_driver); - return err; + goto errout; } + platform_devices[i] = device; cards++; } #ifdef CS4232 i = pnp_register_driver(&cs4232_pnp_driver); - if (i > 0) + if (i >= 0) { + pnp_registered = 1; cards += i; + } #endif i = pnp_register_card_driver(&cs423x_pnpc_driver); - if (i > 0) + if (i >= 0) { + pnpc_registered = 1; cards += i; + } if (!cards) { -#ifdef CS4232 - pnp_unregister_driver(&cs4232_pnp_driver); -#endif - pnp_unregister_card_driver(&cs423x_pnpc_driver); - platform_driver_unregister(&cs423x_nonpnp_driver); #ifdef MODULE printk(KERN_ERR IDENT " soundcard not found or device busy\n"); #endif - return -ENODEV; + err = -ENODEV; + goto errout; } return 0; + + errout: + snd_cs423x_unregister_all(); + return err; } static void __exit alsa_card_cs423x_exit(void) { -#ifdef CS4232 - pnp_unregister_driver(&cs4232_pnp_driver); -#endif - pnp_unregister_card_driver(&cs423x_pnpc_driver); - platform_driver_unregister(&cs423x_nonpnp_driver); + snd_cs423x_unregister_all(); } module_init(alsa_card_cs423x_init) |