[ALSA] unregister platform devices
Call platform_device_unregister() for all platform devices that we've
registered.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c
index 1861175..96d2070 100644
--- a/sound/drivers/dummy.c
+++ b/sound/drivers/dummy.c
@@ -144,6 +144,8 @@
//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 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 @@
err = PTR_ERR(device);
goto errout;
}
+ devices[i] = device;
cards++;
}
if (!cards) {
@@ -662,13 +674,13 @@
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 ec817a8..915589a 100644
--- a/sound/drivers/mpu401/mpu401.c
+++ b/sound/drivers/mpu401/mpu401.c
@@ -58,6 +58,7 @@
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;
#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 @@
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 @@
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 d9c4e22..b7a0b42 100644
--- a/sound/drivers/mtpav.c
+++ b/sound/drivers/mtpav.c
@@ -95,6 +95,8 @@
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 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 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 3381a43..29676d8 100644
--- a/sound/drivers/serial-u16550.c
+++ b/sound/drivers/serial-u16550.c
@@ -168,6 +168,8 @@
} 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 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 @@
err = PTR_ERR(device);
goto errout;
}
+ devices[i] = device;
cards++;
}
if (! cards) {
@@ -998,13 +1010,13 @@
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 9f36a64..4258723 100644
--- a/sound/drivers/virmidi.c
+++ b/sound/drivers/virmidi.c
@@ -82,6 +82,8 @@
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 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 @@
err = PTR_ERR(device);
goto errout;
}
+ devices[i] = device;
cards++;
}
if (!cards) {
@@ -172,13 +184,13 @@
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)