X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=sound%2Fcore%2Finfo.c;h=2582b74d319953ebd0cb95d46f36d7e044e520fe;hb=b2b4b9a7c09ad66e095b13c97946a96f2dc8284e;hp=39f9b97d92198582fbb34a6281d864b6443d90e8;hpb=e532c37858fdcc18e9a91d24c2e22cd21aa22561;p=powerpc.git diff --git a/sound/core/info.c b/sound/core/info.c index 39f9b97d92..2582b74d31 100644 --- a/sound/core/info.c +++ b/sound/core/info.c @@ -31,12 +31,15 @@ #include #include #include +#include #include /* * */ +#ifdef CONFIG_PROC_FS + int snd_info_check_reserved_words(const char *str) { static char *reserved[] = @@ -66,16 +69,14 @@ int snd_info_check_reserved_words(const char *str) return 1; } -#ifdef CONFIG_PROC_FS - -static DECLARE_MUTEX(info_mutex); +static DEFINE_MUTEX(info_mutex); -typedef struct _snd_info_private_data { - snd_info_buffer_t *rbuffer; - snd_info_buffer_t *wbuffer; - snd_info_entry_t *entry; +struct snd_info_private_data { + struct snd_info_buffer *rbuffer; + struct snd_info_buffer *wbuffer; + struct snd_info_entry *entry; void *file_private_data; -} snd_info_private_data_t; +}; static int snd_info_version_init(void); static int snd_info_version_done(void); @@ -90,7 +91,7 @@ static int snd_info_version_done(void); * * Returns the size of output string. */ -int snd_iprintf(snd_info_buffer_t * buffer, char *fmt,...) +int snd_iprintf(struct snd_info_buffer *buffer, char *fmt,...) { va_list args; int len, res; @@ -115,9 +116,9 @@ int snd_iprintf(snd_info_buffer_t * buffer, char *fmt,...) */ static struct proc_dir_entry *snd_proc_root = NULL; -snd_info_entry_t *snd_seq_root = NULL; +struct snd_info_entry *snd_seq_root = NULL; #ifdef CONFIG_SND_OSSEMUL -snd_info_entry_t *snd_oss_root = NULL; +struct snd_info_entry *snd_oss_root = NULL; #endif static inline void snd_info_entry_prepare(struct proc_dir_entry *de) @@ -134,7 +135,7 @@ static void snd_remove_proc_entry(struct proc_dir_entry *parent, static loff_t snd_info_entry_llseek(struct file *file, loff_t offset, int orig) { - snd_info_private_data_t *data; + struct snd_info_private_data *data; struct snd_info_entry *entry; loff_t ret; @@ -176,9 +177,9 @@ out: static ssize_t snd_info_entry_read(struct file *file, char __user *buffer, size_t count, loff_t * offset) { - snd_info_private_data_t *data; + struct snd_info_private_data *data; struct snd_info_entry *entry; - snd_info_buffer_t *buf; + struct snd_info_buffer *buf; size_t size = 0; loff_t pos; @@ -217,9 +218,9 @@ static ssize_t snd_info_entry_read(struct file *file, char __user *buffer, static ssize_t snd_info_entry_write(struct file *file, const char __user *buffer, size_t count, loff_t * offset) { - snd_info_private_data_t *data; + struct snd_info_private_data *data; struct snd_info_entry *entry; - snd_info_buffer_t *buf; + struct snd_info_buffer *buf; size_t size = 0; loff_t pos; @@ -259,17 +260,17 @@ static ssize_t snd_info_entry_write(struct file *file, const char __user *buffer static int snd_info_entry_open(struct inode *inode, struct file *file) { - snd_info_entry_t *entry; - snd_info_private_data_t *data; - snd_info_buffer_t *buffer; + struct snd_info_entry *entry; + struct snd_info_private_data *data; + struct snd_info_buffer *buffer; struct proc_dir_entry *p; int mode, err; - down(&info_mutex); + mutex_lock(&info_mutex); p = PDE(inode); - entry = p == NULL ? NULL : (snd_info_entry_t *)p->data; + entry = p == NULL ? NULL : (struct snd_info_entry *)p->data; if (entry == NULL || entry->disconnected) { - up(&info_mutex); + mutex_unlock(&info_mutex); return -ENODEV; } if (!try_module_get(entry->module)) { @@ -361,13 +362,13 @@ static int snd_info_entry_open(struct inode *inode, struct file *file) break; } file->private_data = data; - up(&info_mutex); + mutex_unlock(&info_mutex); if (entry->content == SNDRV_INFO_CONTENT_TEXT && (mode == O_RDONLY || mode == O_RDWR)) { if (entry->c.text.read) { - down(&entry->access); + mutex_lock(&entry->access); entry->c.text.read(entry, data->rbuffer); - up(&entry->access); + mutex_unlock(&entry->access); } } return 0; @@ -375,14 +376,14 @@ static int snd_info_entry_open(struct inode *inode, struct file *file) __error: module_put(entry->module); __error1: - up(&info_mutex); + mutex_unlock(&info_mutex); return err; } static int snd_info_entry_release(struct inode *inode, struct file *file) { - snd_info_entry_t *entry; - snd_info_private_data_t *data; + struct snd_info_entry *entry; + struct snd_info_private_data *data; int mode; mode = file->f_flags & O_ACCMODE; @@ -420,7 +421,7 @@ static int snd_info_entry_release(struct inode *inode, struct file *file) static unsigned int snd_info_entry_poll(struct file *file, poll_table * wait) { - snd_info_private_data_t *data; + struct snd_info_private_data *data; struct snd_info_entry *entry; unsigned int mask; @@ -444,10 +445,10 @@ static unsigned int snd_info_entry_poll(struct file *file, poll_table * wait) return mask; } -static inline int _snd_info_entry_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long snd_info_entry_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) { - snd_info_private_data_t *data; + struct snd_info_private_data *data; struct snd_info_entry *entry; data = file->private_data; @@ -465,21 +466,10 @@ static inline int _snd_info_entry_ioctl(struct inode *inode, struct file *file, return -ENOTTY; } -/* FIXME: need to unlock BKL to allow preemption */ -static int snd_info_entry_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) -{ - int err; - unlock_kernel(); - err = _snd_info_entry_ioctl(inode, file, cmd, arg); - lock_kernel(); - return err; -} - static int snd_info_entry_mmap(struct file *file, struct vm_area_struct *vma) { struct inode *inode = file->f_dentry->d_inode; - snd_info_private_data_t *data; + struct snd_info_private_data *data; struct snd_info_entry *entry; data = file->private_data; @@ -499,15 +489,15 @@ static int snd_info_entry_mmap(struct file *file, struct vm_area_struct *vma) static struct file_operations snd_info_entry_operations = { - .owner = THIS_MODULE, - .llseek = snd_info_entry_llseek, - .read = snd_info_entry_read, - .write = snd_info_entry_write, - .poll = snd_info_entry_poll, - .ioctl = snd_info_entry_ioctl, - .mmap = snd_info_entry_mmap, - .open = snd_info_entry_open, - .release = snd_info_entry_release, + .owner = THIS_MODULE, + .llseek = snd_info_entry_llseek, + .read = snd_info_entry_read, + .write = snd_info_entry_write, + .poll = snd_info_entry_poll, + .unlocked_ioctl = snd_info_entry_ioctl, + .mmap = snd_info_entry_mmap, + .open = snd_info_entry_open, + .release = snd_info_entry_release, }; /** @@ -541,7 +531,7 @@ int __init snd_info_init(void) snd_proc_root = p; #ifdef CONFIG_SND_OSSEMUL { - snd_info_entry_t *entry; + struct snd_info_entry *entry; if ((entry = snd_info_create_module_entry(THIS_MODULE, "oss", NULL)) == NULL) return -ENOMEM; entry->mode = S_IFDIR | S_IRUGO | S_IXUGO; @@ -554,7 +544,7 @@ int __init snd_info_init(void) #endif #if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE) { - snd_info_entry_t *entry; + struct snd_info_entry *entry; if ((entry = snd_info_create_module_entry(THIS_MODULE, "seq", NULL)) == NULL) return -ENOMEM; entry->mode = S_IFDIR | S_IRUGO | S_IXUGO; @@ -580,12 +570,10 @@ int __exit snd_info_done(void) snd_info_version_done(); if (snd_proc_root) { #if defined(CONFIG_SND_SEQUENCER) || defined(CONFIG_SND_SEQUENCER_MODULE) - if (snd_seq_root) - snd_info_unregister(snd_seq_root); + snd_info_unregister(snd_seq_root); #endif #ifdef CONFIG_SND_OSSEMUL - if (snd_oss_root) - snd_info_unregister(snd_oss_root); + snd_info_unregister(snd_oss_root); #endif snd_remove_proc_entry(&proc_root, snd_proc_root); } @@ -601,10 +589,10 @@ int __exit snd_info_done(void) * create a card proc file * called from init.c */ -int snd_info_card_create(snd_card_t * card) +int snd_info_card_create(struct snd_card *card) { char str[8]; - snd_info_entry_t *entry; + struct snd_info_entry *entry; snd_assert(card != NULL, return -ENXIO); @@ -624,7 +612,7 @@ int snd_info_card_create(snd_card_t * card) * register the card proc file * called from init.c */ -int snd_info_card_register(snd_card_t * card) +int snd_info_card_register(struct snd_card *card) { struct proc_dir_entry *p; @@ -644,7 +632,7 @@ int snd_info_card_register(snd_card_t * card) * de-register the card proc file * called from init.c */ -int snd_info_card_free(snd_card_t * card) +int snd_info_card_free(struct snd_card *card) { snd_assert(card != NULL, return -ENXIO); if (card->proc_root_link) { @@ -669,7 +657,7 @@ int snd_info_card_free(snd_card_t * card) * * Returns zero if successful, or 1 if error or EOF. */ -int snd_info_get_line(snd_info_buffer_t * buffer, char *line, int len) +int snd_info_get_line(struct snd_info_buffer *buffer, char *line, int len) { int c = -1; @@ -747,9 +735,9 @@ char *snd_info_get_str(char *dest, char *src, int len) * * Returns the pointer of the new instance, or NULL on failure. */ -static snd_info_entry_t *snd_info_create_entry(const char *name) +static struct snd_info_entry *snd_info_create_entry(const char *name) { - snd_info_entry_t *entry; + struct snd_info_entry *entry; entry = kzalloc(sizeof(*entry), GFP_KERNEL); if (entry == NULL) return NULL; @@ -760,7 +748,7 @@ static snd_info_entry_t *snd_info_create_entry(const char *name) } entry->mode = S_IFREG | S_IRUGO; entry->content = SNDRV_INFO_CONTENT_TEXT; - init_MUTEX(&entry->access); + mutex_init(&entry->access); return entry; } @@ -774,11 +762,11 @@ static snd_info_entry_t *snd_info_create_entry(const char *name) * * Returns the pointer of the new instance, or NULL on failure. */ -snd_info_entry_t *snd_info_create_module_entry(struct module * module, +struct snd_info_entry *snd_info_create_module_entry(struct module * module, const char *name, - snd_info_entry_t *parent) + struct snd_info_entry *parent) { - snd_info_entry_t *entry = snd_info_create_entry(name); + struct snd_info_entry *entry = snd_info_create_entry(name); if (entry) { entry->module = module; entry->parent = parent; @@ -796,11 +784,11 @@ snd_info_entry_t *snd_info_create_module_entry(struct module * module, * * Returns the pointer of the new instance, or NULL on failure. */ -snd_info_entry_t *snd_info_create_card_entry(snd_card_t * card, +struct snd_info_entry *snd_info_create_card_entry(struct snd_card *card, const char *name, - snd_info_entry_t * parent) + struct snd_info_entry * parent) { - snd_info_entry_t *entry = snd_info_create_entry(name); + struct snd_info_entry *entry = snd_info_create_entry(name); if (entry) { entry->module = card->module; entry->card = card; @@ -809,29 +797,29 @@ snd_info_entry_t *snd_info_create_card_entry(snd_card_t * card, return entry; } -static int snd_info_dev_free_entry(snd_device_t *device) +static int snd_info_dev_free_entry(struct snd_device *device) { - snd_info_entry_t *entry = device->device_data; + struct snd_info_entry *entry = device->device_data; snd_info_free_entry(entry); return 0; } -static int snd_info_dev_register_entry(snd_device_t *device) +static int snd_info_dev_register_entry(struct snd_device *device) { - snd_info_entry_t *entry = device->device_data; + struct snd_info_entry *entry = device->device_data; return snd_info_register(entry); } -static int snd_info_dev_disconnect_entry(snd_device_t *device) +static int snd_info_dev_disconnect_entry(struct snd_device *device) { - snd_info_entry_t *entry = device->device_data; + struct snd_info_entry *entry = device->device_data; entry->disconnected = 1; return 0; } -static int snd_info_dev_unregister_entry(snd_device_t *device) +static int snd_info_dev_unregister_entry(struct snd_device *device) { - snd_info_entry_t *entry = device->device_data; + struct snd_info_entry *entry = device->device_data; return snd_info_unregister(entry); } @@ -855,16 +843,16 @@ static int snd_info_dev_unregister_entry(snd_device_t *device) * * Returns zero if successful, or a negative error code on failure. */ -int snd_card_proc_new(snd_card_t *card, const char *name, - snd_info_entry_t **entryp) +int snd_card_proc_new(struct snd_card *card, const char *name, + struct snd_info_entry **entryp) { - static snd_device_ops_t ops = { + static struct snd_device_ops ops = { .dev_free = snd_info_dev_free_entry, .dev_register = snd_info_dev_register_entry, .dev_disconnect = snd_info_dev_disconnect_entry, .dev_unregister = snd_info_dev_unregister_entry }; - snd_info_entry_t *entry; + struct snd_info_entry *entry; int err; entry = snd_info_create_card_entry(card, name, card->proc_root); @@ -885,7 +873,7 @@ int snd_card_proc_new(snd_card_t *card, const char *name, * * Releases the info entry. Don't call this after registered. */ -void snd_info_free_entry(snd_info_entry_t * entry) +void snd_info_free_entry(struct snd_info_entry * entry) { if (entry == NULL) return; @@ -903,16 +891,16 @@ void snd_info_free_entry(snd_info_entry_t * entry) * * Returns zero if successful, or a negative error code on failure. */ -int snd_info_register(snd_info_entry_t * entry) +int snd_info_register(struct snd_info_entry * entry) { struct proc_dir_entry *root, *p = NULL; snd_assert(entry != NULL, return -ENXIO); root = entry->parent == NULL ? snd_proc_root : entry->parent->p; - down(&info_mutex); + mutex_lock(&info_mutex); p = snd_create_proc_entry(entry->name, entry->mode, root); if (!p) { - up(&info_mutex); + mutex_unlock(&info_mutex); return -ENOMEM; } p->owner = entry->module; @@ -921,7 +909,7 @@ int snd_info_register(snd_info_entry_t * entry) p->size = entry->size; p->data = entry; entry->p = p; - up(&info_mutex); + mutex_unlock(&info_mutex); return 0; } @@ -933,17 +921,18 @@ int snd_info_register(snd_info_entry_t * entry) * * Returns zero if successful, or a negative error code on failure. */ -int snd_info_unregister(snd_info_entry_t * entry) +int snd_info_unregister(struct snd_info_entry * entry) { struct proc_dir_entry *root; - snd_assert(entry != NULL, return -ENXIO); + if (! entry) + return 0; snd_assert(entry->p != NULL, return -ENXIO); root = entry->parent == NULL ? snd_proc_root : entry->parent->p; snd_assert(root, return -ENXIO); - down(&info_mutex); + mutex_lock(&info_mutex); snd_remove_proc_entry(root, entry->p); - up(&info_mutex); + mutex_unlock(&info_mutex); snd_info_free_entry(entry); return 0; } @@ -952,9 +941,9 @@ int snd_info_unregister(snd_info_entry_t * entry) */ -static snd_info_entry_t *snd_info_version_entry = NULL; +static struct snd_info_entry *snd_info_version_entry = NULL; -static void snd_info_version_read(snd_info_entry_t *entry, snd_info_buffer_t * buffer) +static void snd_info_version_read(struct snd_info_entry *entry, struct snd_info_buffer *buffer) { snd_iprintf(buffer, "Advanced Linux Sound Architecture Driver Version " @@ -964,7 +953,7 @@ static void snd_info_version_read(snd_info_entry_t *entry, snd_info_buffer_t * b static int __init snd_info_version_init(void) { - snd_info_entry_t *entry; + struct snd_info_entry *entry; entry = snd_info_create_module_entry(THIS_MODULE, "version", NULL); if (entry == NULL)