[ALSA] unregister platform devices

Call platform_device_unregister() for all platform devices that we've
registered.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>

24 files changed, 415 insertions, 111 deletions

diff --git a/sound/arm/sa11xx-uda1341.c b/sound/arm/sa11xx-uda1341.c
index 3c342c1a7c80..13057d92f08a 100644
--- a/sound/arm/sa11xx-uda1341.c
+++ b/sound/arm/sa11xx-uda1341.c
@@ -21,7 +21,7 @@
  *                              merged HAL layer (patches from Brian)
  */
 
-/* $Id: sa11xx-uda1341.c,v 1.26 2005/11/17 17:19:50 tiwai Exp $ */
+/* $Id: sa11xx-uda1341.c,v 1.27 2005/12/07 09:13:42 cladisch Exp $ */
 
 /***************************************************************************************************
 *
@@ -155,6 +155,8 @@ static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 	.mask	= 0,
 };
 
+static struct platform_device *device;
+
 /* }}} */
 
 /* {{{ Clock and sample rate stuff */
@@ -976,7 +978,6 @@ static struct platform_driver sa11xx_uda1341_driver = {
 static int __init sa11xx_uda1341_init(void)
 {
 	int err;
-	struct platform_device *device;
 
 	if (!machine_is_h3xxx())
 		return -ENODEV;
@@ -992,6 +993,7 @@ static int __init sa11xx_uda1341_init(void)
 
 static void __exit sa11xx_uda1341_exit(void)
 {
+	platform_device_unregister(device);
 	platform_driver_unregister(&sa11xx_uda1341_driver);
 }
 
diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c
index 186117571745..96d207051628 100644
--- a/sound/drivers/dummy.c
+++ b/sound/drivers/dummy.c
@@ -144,6 +144,8 @@ MODULE_PARM_DESC(pcm_substreams, "PCM substreams # (1-16) for dummy driver.");
 //module_param_array(midi_devs, int, NULL, 0444);
 //MODULE_PARM_DESC(midi_devs, "MIDI devices # (0-2) for dummy driver.");
 
+static struct platform_device *devices[SNDRV_CARDS];
+
 #define MIXER_ADDR_MASTER	0
 #define MIXER_ADDR_LINE		1
 #define MIXER_ADDR_MIC		2
@@ -634,6 +636,15 @@ static struct platform_driver snd_dummy_driver = {
 	},
 };
 
+static void __init_or_module snd_dummy_unregister_all(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(devices); ++i)
+		platform_device_unregister(devices[i]);
+	platform_driver_unregister(&snd_dummy_driver);
+}
+
 static int __init alsa_card_dummy_init(void)
 {
 	int i, cards, err;
@@ -650,6 +661,7 @@ static int __init alsa_card_dummy_init(void)
 			err = PTR_ERR(device);
 			goto errout;
 		}
+		devices[i] = device;
 		cards++;
 	}
 	if (!cards) {
@@ -662,13 +674,13 @@ static int __init alsa_card_dummy_init(void)
 	return 0;
 
  errout:
-	platform_driver_unregister(&snd_dummy_driver);
+	snd_dummy_unregister_all();
 	return err;
 }
 
 static void __exit alsa_card_dummy_exit(void)
 {
-	platform_driver_unregister(&snd_dummy_driver);
+	snd_dummy_unregister_all();
 }
 
 module_init(alsa_card_dummy_init)
diff --git a/sound/drivers/mpu401/mpu401.c b/sound/drivers/mpu401/mpu401.c
index ec817a86d3dd..915589a402ab 100644
--- a/sound/drivers/mpu401/mpu401.c
+++ b/sound/drivers/mpu401/mpu401.c
@@ -58,6 +58,7 @@ MODULE_PARM_DESC(port, "Port # for MPU-401 device.");
 module_param_array(irq, int, NULL, 0444);
 MODULE_PARM_DESC(irq, "IRQ # for MPU-401 device.");
 
+static struct platform_device *platform_devices[SNDRV_CARDS];
 static int pnp_registered = 0;
 
 static int snd_mpu401_create(int dev, struct snd_card **rcard)
@@ -220,6 +221,17 @@ static struct pnp_driver snd_mpu401_pnp_driver = {
 static struct pnp_driver snd_mpu401_pnp_driver;
 #endif
 
+static void __init_or_module snd_mpu401_unregister_all(void)
+{
+	int i;
+
+	if (pnp_registered)
+		pnp_unregister_driver(&snd_mpu401_pnp_driver);
+	for (i = 0; i < ARRAY_SIZE(platform_devices); ++i)
+		platform_device_unregister(platform_devices[i]);
+	platform_driver_unregister(&snd_mpu401_driver);
+}
+
 static int __init alsa_card_mpu401_init(void)
 {
 	int i, err, devices;
@@ -240,6 +252,7 @@ static int __init alsa_card_mpu401_init(void)
 			err = PTR_ERR(device);
 			goto errout;
 		}
+		platform_devices[i] = device;
 		devices++;
 	}
 	if ((err = pnp_register_driver(&snd_mpu401_pnp_driver)) >= 0) {
@@ -257,17 +270,13 @@ static int __init alsa_card_mpu401_init(void)
 	return 0;
 
  errout:
-	if (pnp_registered)
-		pnp_unregister_driver(&snd_mpu401_pnp_driver);
-	platform_driver_unregister(&snd_mpu401_driver);
+	snd_mpu401_unregister_all();
 	return err;
 }
 
 static void __exit alsa_card_mpu401_exit(void)
 {
-	if (pnp_registered)
-		pnp_unregister_driver(&snd_mpu401_pnp_driver);
-	platform_driver_unregister(&snd_mpu401_driver);
+	snd_mpu401_unregister_all();
 }
 
 module_init(alsa_card_mpu401_init)
diff --git a/sound/drivers/mtpav.c b/sound/drivers/mtpav.c
index d9c4e224fa5f..b7a0b42813e1 100644
--- a/sound/drivers/mtpav.c
+++ b/sound/drivers/mtpav.c
@@ -95,6 +95,8 @@ MODULE_PARM_DESC(irq, "Parallel IRQ # for MotuMTPAV MIDI.");
 module_param(hwports, int, 0444);
 MODULE_PARM_DESC(hwports, "Hardware ports # for MotuMTPAV MIDI.");
 
+static struct platform_device *device;
+
 /*
  *      defines
  */
@@ -763,7 +765,6 @@ static struct platform_driver snd_mtpav_driver = {
 static int __init alsa_card_mtpav_init(void)
 {
 	int err;
-	struct platform_device *device;
 
 	if ((err = platform_driver_register(&snd_mtpav_driver)) < 0)
 		return err;
@@ -778,6 +779,7 @@ static int __init alsa_card_mtpav_init(void)
 
 static void __exit alsa_card_mtpav_exit(void)
 {
+	platform_device_unregister(device);
 	platform_driver_unregister(&snd_mtpav_driver);
 }
 
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)
diff --git a/sound/drivers/virmidi.c b/sound/drivers/virmidi.c
index 9f36a6472478..4258723de2ab 100644
--- a/sound/drivers/virmidi.c
+++ b/sound/drivers/virmidi.c
@@ -82,6 +82,8 @@ struct snd_card_virmidi {
 	struct snd_rawmidi *midi[MAX_MIDI_DEVICES];
 };
 
+static struct platform_device *devices[SNDRV_CARDS];
+
 
 static int __init snd_virmidi_probe(struct platform_device *devptr)
 {
@@ -144,6 +146,15 @@ static struct platform_driver snd_virmidi_driver = {
 	},
 };
 
+static void __init_or_module snd_virmidi_unregister_all(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(devices); ++i)
+		platform_device_unregister(devices[i]);
+	platform_driver_unregister(&snd_virmidi_driver);
+}
+
 static int __init alsa_card_virmidi_init(void)
 {
 	int i, cards, err;
@@ -160,6 +171,7 @@ static int __init alsa_card_virmidi_init(void)
 			err = PTR_ERR(device);
 			goto errout;
 		}
+		devices[i] = device;
 		cards++;
 	}
 	if (!cards) {
@@ -172,13 +184,13 @@ static int __init alsa_card_virmidi_init(void)
 	return 0;
 
  errout:
-	platform_driver_unregister(&snd_virmidi_driver);
+	snd_virmidi_unregister_all();
 	return err;
 }
 
 static void __exit alsa_card_virmidi_exit(void)
 {
-	platform_driver_unregister(&snd_virmidi_driver);
+	snd_virmidi_unregister_all();
 }
 
 module_init(alsa_card_virmidi_init)
diff --git a/sound/isa/ad1848/ad1848.c b/sound/isa/ad1848/ad1848.c
index 1019e9fdff53..e091bbeffd2a 100644
--- a/sound/isa/ad1848/ad1848.c
+++ b/sound/isa/ad1848/ad1848.c
@@ -62,6 +62,8 @@ MODULE_PARM_DESC(dma1, "DMA1 # for AD1848 driver.");
 module_param_array(thinkpad, bool, NULL, 0444);
 MODULE_PARM_DESC(thinkpad, "Enable only for the onboard CS4248 of IBM Thinkpad 360/750/755 series.");
 
+static struct platform_device *devices[SNDRV_CARDS];
+
 
 static int __init snd_ad1848_probe(struct platform_device *pdev)
 {
@@ -167,6 +169,15 @@ static struct platform_driver snd_ad1848_driver = {
 	},
 };
 
+static void __init_or_module snd_ad1848_unregister_all(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(devices); ++i)
+		platform_device_unregister(devices[i]);
+	platform_driver_unregister(&snd_ad1848_driver);
+}
+
 static int __init alsa_card_ad1848_init(void)
 {
 	int i, cards, err;
@@ -184,6 +195,7 @@ static int __init alsa_card_ad1848_init(void)
 			err = PTR_ERR(device);
 			goto errout;
 		}
+		devices[i] = device;
 		cards++;
 	}
 	if (!cards) {
@@ -196,13 +208,13 @@ static int __init alsa_card_ad1848_init(void)
 	return 0;
 
  errout:
-	platform_driver_unregister(&snd_ad1848_driver);
+	snd_ad1848_unregister_all();
 	return err;
 }
 
 static void __exit alsa_card_ad1848_exit(void)
 {
-	platform_driver_unregister(&snd_ad1848_driver);
+	snd_ad1848_unregister_all();
 }
 
 module_init(alsa_card_ad1848_init)
diff --git a/sound/isa/cmi8330.c b/sound/isa/cmi8330.c
index ba0114ebafde..bd8e23818460 100644
--- a/sound/isa/cmi8330.c
+++ b/sound/isa/cmi8330.c
@@ -108,6 +108,9 @@ MODULE_PARM_DESC(wssirq, "IRQ # for CMI8330 WSS driver.");
 module_param_array(wssdma, int, NULL, 0444);
 MODULE_PARM_DESC(wssdma, "DMA for CMI8330 WSS driver.");
 
+static struct platform_device *platform_devices[SNDRV_CARDS];
+static int pnp_registered;
+
 #define CMI8330_RMUX3D    16
 #define CMI8330_MUTEMUX   17
 #define CMI8330_OUTPUTVOL 18
@@ -665,6 +668,17 @@ static struct pnp_card_driver cmi8330_pnpc_driver = {
 };
 #endif /* CONFIG_PNP */
 
+static void __init_or_module snd_cmi8330_unregister_all(void)
+{
+	int i;
+
+	if (pnp_registered)
+		pnp_unregister_card_driver(&cmi8330_pnpc_driver);
+	for (i = 0; i < ARRAY_SIZE(platform_devices); ++i)
+		platform_device_unregister(platform_devices[i]);
+	platform_driver_unregister(&snd_cmi8330_driver);
+}
+
 static int __init alsa_card_cmi8330_init(void)
 {
 	int i, err, cards = 0;
@@ -680,31 +694,35 @@ static int __init alsa_card_cmi8330_init(void)
 							 i, NULL, 0);
 		if (IS_ERR(device)) {
 			err = PTR_ERR(device);
-			platform_driver_unregister(&snd_cmi8330_driver);
-			return err;
+			goto errout;
 		}
+		platform_devices[i] = device;
 		cards++;
 	}
 
 	err = pnp_register_card_driver(&cmi8330_pnpc_driver);
-	if (err > 0)
+	if (err >= 0) {
+		pnp_registered = 1;
 		cards += err;
+	}
 
 	if (!cards) {
-		pnp_unregister_card_driver(&cmi8330_pnpc_driver);
-		platform_driver_unregister(&snd_cmi8330_driver);
 #ifdef MODULE
 		snd_printk(KERN_ERR "CMI8330 not found or device busy\n");
 #endif
-		return -ENODEV;
+		err = -ENODEV;
+		goto errout;
 	}
 	return 0;
+
+ errout:
+	snd_cmi8330_unregister_all();
+	return err;
 }
 
 static void __exit alsa_card_cmi8330_exit(void)
 {
-	pnp_unregister_card_driver(&cmi8330_pnpc_driver);
-	platform_driver_unregister(&snd_cmi8330_driver);
+	snd_cmi8330_unregister_all();
 }
 
 module_init(alsa_card_cmi8330_init)
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)
diff --git a/sound/isa/es1688/es1688.c b/sound/isa/es1688/es1688.c
index 68bd40a76f01..50d23cf3d7cc 100644
--- a/sound/isa/es1688/es1688.c
+++ b/sound/isa/es1688/es1688.c
@@ -69,6 +69,8 @@ MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for ESx688 driver.");
 module_param_array(dma8, int, NULL, 0444);
 MODULE_PARM_DESC(dma8, "8-bit DMA # for ESx688 driver.");
 
+static struct platform_device *devices[SNDRV_CARDS];
+
 #define PFX	"es1688: "
 
 static int __init snd_es1688_probe(struct platform_device *pdev)
@@ -187,6 +189,15 @@ static struct platform_driver snd_es1688_driver = {
 	},
 };
 
+static void __init_or_module snd_es1688_unregister_all(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(devices); ++i)
+		platform_device_unregister(devices[i]);
+	platform_driver_unregister(&snd_es1688_driver);
+}
+
 static int __init alsa_card_es1688_init(void)
 {
 	int i, cards, err;
@@ -204,6 +215,7 @@ static int __init alsa_card_es1688_init(void)
 			err = PTR_ERR(device);
 			goto errout;
 		}
+		devices[i] = device;
 		cards++;
 	}
 	if (!cards) {
@@ -216,13 +228,13 @@ static int __init alsa_card_es1688_init(void)
 	return 0;
 
  errout:
-	platform_driver_unregister(&snd_es1688_driver);
+	snd_es1688_unregister_all();
 	return err;
 }
 
 static void __exit alsa_card_es1688_exit(void)
 {
-	platform_driver_unregister(&snd_es1688_driver);
+	snd_es1688_unregister_all();
 }
 
 module_init(alsa_card_es1688_init)
diff --git a/sound/isa/es18xx.c b/sound/isa/es18xx.c
index 34d47132f082..bf5de0782eb0 100644
--- a/sound/isa/es18xx.c
+++ b/sound/isa/es18xx.c
@@ -1877,6 +1877,9 @@ MODULE_PARM_DESC(dma1, "DMA 1 # for ES18xx driver.");
 module_param_array(dma2, int, NULL, 0444);
 MODULE_PARM_DESC(dma2, "DMA 2 # for ES18xx driver.");
 
+static struct platform_device *platform_devices[SNDRV_CARDS];
+static int pnp_registered;
+
 #ifdef CONFIG_PNP
 
 static struct pnp_card_device_id snd_audiodrive_pnpids[] = {
@@ -2202,6 +2205,17 @@ static struct pnp_card_driver es18xx_pnpc_driver = {
 };
 #endif /* CONFIG_PNP */
 
+static void __init_or_module snd_es18xx_unregister_all(void)
+{
+	int i;
+
+	if (pnp_registered)
+		pnp_unregister_card_driver(&es18xx_pnpc_driver);
+	for (i = 0; i < ARRAY_SIZE(platform_devices); ++i)
+		platform_device_unregister(platform_devices[i]);
+	platform_driver_unregister(&snd_es18xx_nonpnp_driver);
+}
+
 static int __init alsa_card_es18xx_init(void)
 {
 	int i, err, cards = 0;
@@ -2217,31 +2231,35 @@ static int __init alsa_card_es18xx_init(void)
 							 i, NULL, 0);
 		if (IS_ERR(device)) {
 			err = PTR_ERR(device);
-			platform_driver_unregister(&snd_es18xx_nonpnp_driver);
-			return err;
+			goto errout;
 		}
+		platform_devices[i] = device;
 		cards++;
 	}
 
 	i = pnp_register_card_driver(&es18xx_pnpc_driver);
-	if (i > 0)
+	if (i >= 0) {
+		pnp_registered = 1;
 		cards += i;
+	}
 
 	if(!cards) {
-		pnp_unregister_card_driver(&es18xx_pnpc_driver);
-		platform_driver_unregister(&snd_es18xx_nonpnp_driver);
 #ifdef MODULE
 		snd_printk(KERN_ERR "ESS AudioDrive ES18xx soundcard not found or device busy\n");
 #endif
-		return -ENODEV;
+		err = -ENODEV;
+		goto errout;
 	}
 	return 0;
+
+ errout:
+	snd_es18xx_unregister_all();
+	return err;
 }
 
 static void __exit alsa_card_es18xx_exit(void)
 {
-	pnp_unregister_card_driver(&es18xx_pnpc_driver);
-	platform_driver_unregister(&snd_es18xx_nonpnp_driver);
+	snd_es18xx_unregister_all();
 }
 
 module_init(alsa_card_es18xx_init)
diff --git a/sound/isa/gus/gusclassic.c b/sound/isa/gus/gusclassic.c
index 57beb74f5b9d..d1165b96fa3f 100644
--- a/sound/isa/gus/gusclassic.c
+++ b/sound/isa/gus/gusclassic.c
@@ -71,6 +71,8 @@ MODULE_PARM_DESC(channels, "GF1 channels for GUS Classic driver.");
 module_param_array(pcm_channels, int, NULL, 0444);
 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS Classic driver.");
 
+static struct platform_device *devices[SNDRV_CARDS];
+
 
 #define PFX	"gusclassic: "
 
@@ -227,6 +229,15 @@ static struct platform_driver snd_gusclassic_driver = {
 	},
 };
 
+static void __init_or_module snd_gusclassic_unregister_all(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(devices); ++i)
+		platform_device_unregister(devices[i]);
+	platform_driver_unregister(&snd_gusclassic_driver);
+}
+
 static int __init alsa_card_gusclassic_init(void)
 {
 	int i, cards, err;
@@ -244,6 +255,7 @@ static int __init alsa_card_gusclassic_init(void)
 			err = PTR_ERR(device);
 			goto errout;
 		}
+		devices[i] = device;
 		cards++;
 	}
 	if (!cards) {
@@ -256,13 +268,13 @@ static int __init alsa_card_gusclassic_init(void)
 	return 0;
 
  errout:
-	platform_driver_unregister(&snd_gusclassic_driver);
+	snd_gusclassic_unregister_all();
 	return err;
 }
 
 static void __exit alsa_card_gusclassic_exit(void)
 {
-	platform_driver_unregister(&snd_gusclassic_driver);
+	snd_gusclassic_unregister_all();
 }
 
 module_init(alsa_card_gusclassic_init)
diff --git a/sound/isa/gus/gusextreme.c b/sound/isa/gus/gusextreme.c
index 6fad9734a853..239f16e6b9ee 100644
--- a/sound/isa/gus/gusextreme.c
+++ b/sound/isa/gus/gusextreme.c
@@ -87,6 +87,8 @@ MODULE_PARM_DESC(channels, "GF1 channels for GUS Extreme driver.");
 module_param_array(pcm_channels, int, NULL, 0444);
 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS Extreme driver.");
 
+struct platform_device *devices[SNDRV_CARDS];
+
 
 #define PFX	"gusextreme: "
 
@@ -337,6 +339,15 @@ static struct platform_driver snd_gusextreme_driver = {
 	},
 };
 
+static void __init_or_module snd_gusextreme_unregister_all(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(devices); ++i)
+		platform_device_unregister(devices[i]);
+	platform_driver_unregister(&snd_gusextreme_driver);
+}
+
 static int __init alsa_card_gusextreme_init(void)
 {
 	int i, cards, err;
@@ -354,6 +365,7 @@ static int __init alsa_card_gusextreme_init(void)
 			err = PTR_ERR(device);
 			goto errout;
 		}
+		devices[i] = device;
 		cards++;
 	}
 	if (!cards) {
@@ -366,13 +378,13 @@ static int __init alsa_card_gusextreme_init(void)
 	return 0;
 
  errout:
-	platform_driver_unregister(&snd_gusextreme_driver);
+	snd_gusextreme_unregister_all();
 	return err;
 }
 
 static void __exit alsa_card_gusextreme_exit(void)
 {
-	platform_driver_unregister(&snd_gusextreme_driver);
+	snd_gusextreme_unregister_all();
 }
 
 module_init(alsa_card_gusextreme_init)
diff --git a/sound/isa/gus/gusmax.c b/sound/isa/gus/gusmax.c
index d1b70ee9b039..d4d2b2a517d5 100644
--- a/sound/isa/gus/gusmax.c
+++ b/sound/isa/gus/gusmax.c
@@ -72,6 +72,8 @@ MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver.");
 module_param_array(pcm_channels, int, NULL, 0444);
 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver.");
 
+static struct platform_device *devices[SNDRV_CARDS];
+
 struct snd_gusmax {
 	int irq;
 	struct snd_card *card;
@@ -364,6 +366,15 @@ static struct platform_driver snd_gusmax_driver = {
 	},
 };
 
+static void __init_or_module snd_gusmax_unregister_all(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(devices); ++i)
+		platform_device_unregister(devices[i]);
+	platform_driver_unregister(&snd_gusmax_driver);
+}
+
 static int __init alsa_card_gusmax_init(void)
 {
 	int i, cards, err;
@@ -381,6 +392,7 @@ static int __init alsa_card_gusmax_init(void)
 			err = PTR_ERR(device);
 			goto errout;
 		}
+		devices[i] = device;
 		cards++;
 	}
 	if (!cards) {
@@ -393,13 +405,13 @@ static int __init alsa_card_gusmax_init(void)
 	return 0;
 
  errout:
-	platform_driver_unregister(&snd_gusmax_driver);
+	snd_gusmax_unregister_all();
 	return err;
 }
 
 static void __exit alsa_card_gusmax_exit(void)
 {
-	platform_driver_unregister(&snd_gusmax_driver);
+	snd_gusmax_unregister_all();
 }
 
 module_init(alsa_card_gusmax_init)
diff --git a/sound/isa/gus/interwave.c b/sound/isa/gus/interwave.c
index 67a5f7402453..9838d992b101 100644
--- a/sound/isa/gus/interwave.c
+++ b/sound/isa/gus/interwave.c
@@ -115,6 +115,9 @@ MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for InterWave driver.");
 module_param_array(effect, int, NULL, 0444);
 MODULE_PARM_DESC(effect, "Effects enable for InterWave driver.");
 
+static struct platform_device *platform_devices[SNDRV_CARDS];
+static int pnp_registered;
+
 struct snd_interwave {
 	int irq;
 	struct snd_card *card;
@@ -914,6 +917,17 @@ static struct pnp_card_driver interwave_pnpc_driver = {
 
 #endif /* CONFIG_PNP */
 
+static void __init_or_module snd_interwave_unregister_all(void)
+{
+	int i;
+
+	if (pnp_registered)
+		pnp_unregister_card_driver(&interwave_pnpc_driver);
+	for (i = 0; i < ARRAY_SIZE(platform_devices); ++i)
+		platform_device_unregister(platform_devices[i]);
+	platform_driver_unregister(&snd_interwave_driver);
+}
+
 static int __init alsa_card_interwave_init(void)
 {
 	int i, err, cards = 0;
@@ -931,32 +945,36 @@ static int __init alsa_card_interwave_init(void)
 							 i, NULL, 0);
 		if (IS_ERR(device)) {
 			err = PTR_ERR(device);
-			platform_driver_unregister(&snd_interwave_driver);
-			return err;
+			goto errout;
 		}
+		platform_devices[i] = device;
 		cards++;
 	}
 
 	/* ISA PnP cards */
 	i = pnp_register_card_driver(&interwave_pnpc_driver);
-	if (i > 0)
+	if (i >= 0) {
+		pnp_registered = 1;
 		cards += i;
+	}
 
 	if (!cards) {
-		pnp_unregister_card_driver(&interwave_pnpc_driver);
-		platform_driver_unregister(&snd_interwave_driver);
 #ifdef MODULE
 		printk(KERN_ERR "InterWave soundcard not found or device busy\n");
 #endif
-		return -ENODEV;
+		err = -ENODEV;
+		goto errout;
 	}
 	return 0;
+
+ errout:
+	snd_interwave_unregister_all();
+	return err;
 }
 
 static void __exit alsa_card_interwave_exit(void)
 {
-	pnp_unregister_card_driver(&interwave_pnpc_driver);
-	platform_driver_unregister(&snd_interwave_driver);
+	snd_interwave_unregister_all();
 }
 
 module_init(alsa_card_interwave_init)
diff --git a/sound/isa/opl3sa2.c b/sound/isa/opl3sa2.c
index aafe5565b6e5..ca359e0c674b 100644
--- a/sound/isa/opl3sa2.c
+++ b/sound/isa/opl3sa2.c
@@ -90,6 +90,10 @@ MODULE_PARM_DESC(dma2, "DMA2 # for OPL3-SA driver.");
 module_param_array(opl3sa3_ymode, int, NULL, 0444);
 MODULE_PARM_DESC(opl3sa3_ymode, "Speaker size selection for 3D Enhancement mode: Desktop/Large Notebook/Small Notebook/HiFi.");
 
+static struct platform_device *platform_devices[SNDRV_CARDS];
+static int pnp_registered;
+static int pnpc_registered;