diff options
Diffstat (limited to 'sound/pci/es1968.c')
| -rw-r--r-- | sound/pci/es1968.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c index 3747a436f0cd..dd465a186e11 100644 --- a/sound/pci/es1968.c +++ b/sound/pci/es1968.c @@ -100,9 +100,12 @@ #include <linux/interrupt.h> #include <linux/init.h> #include <linux/pci.h> +#include <linux/dma-mapping.h> #include <linux/slab.h> #include <linux/gameport.h> #include <linux/moduleparam.h> +#include <linux/mutex.h> + #include <sound/core.h> #include <sound/pcm.h> #include <sound/mpu401.h> @@ -569,7 +572,7 @@ struct es1968 { u16 maestro_map[32]; int bobclient; /* active timer instancs */ int bob_freq; /* timer frequency */ - struct semaphore memory_mutex; /* memory lock */ + struct mutex memory_mutex; /* memory lock */ /* APU states */ unsigned char apu[NR_APUS]; @@ -1356,13 +1359,13 @@ static int calc_available_memory_size(struct es1968 *chip) struct list_head *p; int max_size = 0; - down(&chip->memory_mutex); + mutex_lock(&chip->memory_mutex); list_for_each(p, &chip->buf_list) { struct esm_memory *buf = list_entry(p, struct esm_memory, list); if (buf->empty && buf->buf.bytes > max_size) max_size = buf->buf.bytes; } - up(&chip->memory_mutex); + mutex_unlock(&chip->memory_mutex); if (max_size >= 128*1024) max_size = 127*1024; return max_size; @@ -1375,20 +1378,20 @@ static struct esm_memory *snd_es1968_new_memory(struct es1968 *chip, int size) struct list_head *p; size = ((size + ESM_MEM_ALIGN - 1) / ESM_MEM_ALIGN) * ESM_MEM_ALIGN; - down(&chip->memory_mutex); + mutex_lock(&chip->memory_mutex); list_for_each(p, &chip->buf_list) { buf = list_entry(p, struct esm_memory, list); if (buf->empty && buf->buf.bytes >= size) goto __found; } - up(&chip->memory_mutex); + mutex_unlock(&chip->memory_mutex); return NULL; __found: if (buf->buf.bytes > size) { struct esm_memory *chunk = kmalloc(sizeof(*chunk), GFP_KERNEL); if (chunk == NULL) { - up(&chip->memory_mutex); + mutex_unlock(&chip->memory_mutex); return NULL; } chunk->buf = buf->buf; @@ -1400,7 +1403,7 @@ __found: list_add(&chunk->list, &buf->list); } buf->empty = 0; - up(&chip->memory_mutex); + mutex_unlock(&chip->memory_mutex); return buf; } @@ -1409,7 +1412,7 @@ static void snd_es1968_free_memory(struct es1968 *chip, struct esm_memory *buf) { struct esm_memory *chunk; - down(&chip->memory_mutex); + mutex_lock(&chip->memory_mutex); buf->empty = 1; if (buf->list.prev != &chip->buf_list) { chunk = list_entry(buf->list.prev, struct esm_memory, list); @@ -1428,7 +1431,7 @@ static void snd_es1968_free_memory(struct es1968 *chip, struct esm_memory *buf) kfree(chunk); } } - up(&chip->memory_mutex); + mutex_unlock(&chip->memory_mutex); } static void snd_es1968_free_dmabuf(struct es1968 *chip) @@ -2559,8 +2562,8 @@ static int __devinit snd_es1968_create(struct snd_card *card, if ((err = pci_enable_device(pci)) < 0) return err; /* check, if we can restrict PCI DMA transfers to 28 bits */ - if (pci_set_dma_mask(pci, 0x0fffffff) < 0 || - pci_set_consistent_dma_mask(pci, 0x0fffffff) < 0) { + if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 || + pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) { snd_printk(KERN_ERR "architecture does not support 28bit PCI busmaster DMA\n"); pci_disable_device(pci); return -ENXIO; @@ -2579,7 +2582,7 @@ static int __devinit snd_es1968_create(struct snd_card *card, INIT_LIST_HEAD(&chip->buf_list); INIT_LIST_HEAD(&chip->substream_list); spin_lock_init(&chip->ac97_lock); - init_MUTEX(&chip->memory_mutex); + mutex_init(&chip->memory_mutex); tasklet_init(&chip->hwvol_tq, es1968_update_hw_volume, (unsigned long)chip); chip->card = card; chip->pci = pci; |