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[PATCH] devfs: Remove devfs support from the sound subsystem 

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2005-06-20 21:15:16 -07:00
parent 94f6c59dcf
commit 0936f26f55
4 changed files with 2 additions and 45 deletions
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1
sound/core/info.c
View File

@ -29,7 +29,6 @@
#include <sound/info.h>
#include <sound/version.h>
#include <linux/proc_fs.h>
#include <linux/devfs_fs_kernel.h>
#include <linux/mutex.h>
#include <stdarg.h>

24
sound/core/sound.c
View File

@ -32,7 +32,6 @@
#include <sound/control.h>
#include <sound/initval.h>
#include <linux/kmod.h>
#include <linux/devfs_fs_kernel.h>
#include <linux/mutex.h>
#define SNDRV_OS_MINORS 256
@ -42,7 +41,6 @@ int snd_major;
EXPORT_SYMBOL(snd_major);
static int cards_limit = 1;
static int device_mode = S_IFCHR | S_IRUGO | S_IWUGO;
MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
MODULE_DESCRIPTION("Advanced Linux Sound Architecture driver for soundcards.");
@ -51,10 +49,6 @@ module_param(major, int, 0444);
MODULE_PARM_DESC(major, "Major # for sound driver.");
module_param(cards_limit, int, 0444);
MODULE_PARM_DESC(cards_limit, "Count of auto-loadable soundcards.");
#ifdef CONFIG_DEVFS_FS
module_param(device_mode, int, 0444);
MODULE_PARM_DESC(device_mode, "Device file permission mask for devfs.");
#endif
MODULE_ALIAS_CHARDEV_MAJOR(CONFIG_SND_MAJOR);
/* this one holds the actual max. card number currently available.
@ -273,8 +267,6 @@ int snd_register_device(int type, struct snd_card *card, int dev,
return minor;
}
snd_minors[minor] = preg;
if (type != SNDRV_DEVICE_TYPE_CONTROL || preg->card >= cards_limit)
devfs_mk_cdev(MKDEV(major, minor), S_IFCHR | device_mode, "snd/%s", name);
if (card)
device = card->dev;
class_device_create(sound_class, NULL, MKDEV(major, minor), device, "%s", name);
@ -314,9 +306,6 @@ int snd_unregister_device(int type, struct snd_card *card, int dev)
return -EINVAL;
}
if (mptr->type != SNDRV_DEVICE_TYPE_CONTROL ||
mptr->card >= cards_limit) /* created in sound.c */
devfs_remove("snd/%s", mptr->name);
class_device_destroy(sound_class, MKDEV(major, minor));
snd_minors[minor] = NULL;
@ -411,24 +400,17 @@ int __exit snd_minor_info_done(void)
static int __init alsa_sound_init(void)
{
short controlnum;
snd_major = major;
snd_ecards_limit = cards_limit;
devfs_mk_dir("snd");
if (register_chrdev(major, "alsa", &snd_fops)) {
snd_printk(KERN_ERR "unable to register native major device number %d\n", major);
devfs_remove("snd");
return -EIO;
}
if (snd_info_init() < 0) {
unregister_chrdev(major, "alsa");
devfs_remove("snd");
return -ENOMEM;
}
snd_info_minor_register();
for (controlnum = 0; controlnum < cards_limit; controlnum++)
devfs_mk_cdev(MKDEV(major, controlnum<<5), S_IFCHR | device_mode, "snd/controlC%d", controlnum);
#ifndef MODULE
printk(KERN_INFO "Advanced Linux Sound Architecture Driver Version " CONFIG_SND_VERSION CONFIG_SND_DATE ".\n");
#endif
@ -437,16 +419,10 @@ static int __init alsa_sound_init(void)
static void __exit alsa_sound_exit(void)
{
short controlnum;
for (controlnum = 0; controlnum < cards_limit; controlnum++)
devfs_remove("snd/controlC%d", controlnum);
snd_info_minor_unregister();
snd_info_done();
if (unregister_chrdev(major, "alsa") != 0)
snd_printk(KERN_ERR "unable to unregister major device number %d\n", major);
devfs_remove("snd");
}
module_init(alsa_sound_init)

16
sound/oss/soundcard.c
View File

@ -38,7 +38,6 @@
#include <linux/wait.h>
#include <linux/slab.h>
#include <linux/ioport.h>
#include <linux/devfs_fs_kernel.h>
#include <linux/major.h>
#include <linux/delay.h>
#include <linux/proc_fs.h>
@ -564,9 +563,6 @@ static int __init oss_init(void)
sound_dmap_flag = (dmabuf > 0 ? 1 : 0);
for (i = 0; i < sizeof (dev_list) / sizeof *dev_list; i++) {
devfs_mk_cdev(MKDEV(SOUND_MAJOR, dev_list[i].minor),
S_IFCHR | dev_list[i].mode,
"sound/%s", dev_list[i].name);
class_device_create(sound_class, NULL,
MKDEV(SOUND_MAJOR, dev_list[i].minor),
NULL, "%s", dev_list[i].name);
@ -574,15 +570,10 @@ static int __init oss_init(void)
if (!dev_list[i].num)
continue;
for (j = 1; j < *dev_list[i].num; j++) {
devfs_mk_cdev(MKDEV(SOUND_MAJOR,
dev_list[i].minor + (j*0x10)),
S_IFCHR | dev_list[i].mode,
"sound/%s%d", dev_list[i].name, j);
for (j = 1; j < *dev_list[i].num; j++)
class_device_create(sound_class, NULL,
MKDEV(SOUND_MAJOR, dev_list[i].minor + (j*0x10)),
NULL, "%s%d", dev_list[i].name, j);
}
}
if (sound_nblocks >= 1024)
@ -596,14 +587,11 @@ static void __exit oss_cleanup(void)
int i, j;
for (i = 0; i < sizeof (dev_list) / sizeof *dev_list; i++) {
devfs_remove("sound/%s", dev_list[i].name);
class_device_destroy(sound_class, MKDEV(SOUND_MAJOR, dev_list[i].minor));
if (!dev_list[i].num)
continue;
for (j = 1; j < *dev_list[i].num; j++) {
devfs_remove("sound/%s%d", dev_list[i].name, j);
for (j = 1; j < *dev_list[i].num; j++)
class_device_destroy(sound_class, MKDEV(SOUND_MAJOR, dev_list[i].minor + (j*0x10)));
}
}
unregister_sound_special(1);

6
sound/sound_core.c
View File

@ -44,7 +44,6 @@
#include <linux/sound.h>
#include <linux/major.h>
#include <linux/kmod.h>
#include <linux/devfs_fs_kernel.h>
#include <linux/device.h>
#define SOUND_STEP 16
@ -172,8 +171,6 @@ static int sound_insert_unit(struct sound_unit **list, const struct file_operati
else
sprintf(s->name, "sound/%s%d", name, r / SOUND_STEP);
devfs_mk_cdev(MKDEV(SOUND_MAJOR, s->unit_minor),
S_IFCHR | mode, s->name);
class_device_create(sound_class, NULL, MKDEV(SOUND_MAJOR, s->unit_minor),
dev, s->name+6);
return r;
@ -197,7 +194,6 @@ static void sound_remove_unit(struct sound_unit **list, int unit)
p = __sound_remove_unit(list, unit);
spin_unlock(&sound_loader_lock);
if (p) {
devfs_remove(p->name);
class_device_destroy(sound_class, MKDEV(SOUND_MAJOR, p->unit_minor));
kfree(p);
}
@ -570,7 +566,6 @@ static void __exit cleanup_soundcore(void)
/* We have nothing to really do here - we know the lists must be
empty */
unregister_chrdev(SOUND_MAJOR, "sound");
devfs_remove("sound");
class_destroy(sound_class);
}
@ -580,7 +575,6 @@ static int __init init_soundcore(void)
printk(KERN_ERR "soundcore: sound device already in use.\n");
return -EBUSY;
}
devfs_mk_dir ("sound");
sound_class = class_create(THIS_MODULE, "sound");
if (IS_ERR(sound_class))
return PTR_ERR(sound_class);