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path: root/sound/pci/emu10k1/memory.c
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Diffstat (limited to 'sound/pci/emu10k1/memory.c')
-rw-r--r--sound/pci/emu10k1/memory.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/sound/pci/emu10k1/memory.c b/sound/pci/emu10k1/memory.c
index 68c795c03109..e7ec98649f04 100644
--- a/sound/pci/emu10k1/memory.c
+++ b/sound/pci/emu10k1/memory.c
@@ -24,6 +24,8 @@
#include <sound/driver.h>
#include <linux/pci.h>
#include <linux/time.h>
+#include <linux/mutex.h>
+
#include <sound/core.h>
#include <sound/emu10k1.h>
@@ -302,10 +304,10 @@ snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *subst
hdr = emu->memhdr;
snd_assert(hdr, return NULL);
- down(&hdr->block_mutex);
+ mutex_lock(&hdr->block_mutex);
blk = search_empty(emu, runtime->dma_bytes);
if (blk == NULL) {
- up(&hdr->block_mutex);
+ mutex_unlock(&hdr->block_mutex);
return NULL;
}
/* fill buffer addresses but pointers are not stored so that
@@ -318,14 +320,14 @@ snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *subst
if (idx >= sgbuf->pages) {
printk(KERN_ERR "emu: pages overflow! (%d-%d) for %d\n",
blk->first_page, blk->last_page, sgbuf->pages);
- up(&hdr->block_mutex);
+ mutex_unlock(&hdr->block_mutex);
return NULL;
}
#endif
addr = sgbuf->table[idx].addr;
if (! is_valid_page(emu, addr)) {
printk(KERN_ERR "emu: failure page = %d\n", idx);
- up(&hdr->block_mutex);
+ mutex_unlock(&hdr->block_mutex);
return NULL;
}
emu->page_addr_table[page] = addr;
@@ -337,10 +339,10 @@ snd_emu10k1_alloc_pages(struct snd_emu10k1 *emu, struct snd_pcm_substream *subst
err = snd_emu10k1_memblk_map(emu, blk);
if (err < 0) {
__snd_util_mem_free(hdr, (struct snd_util_memblk *)blk);
- up(&hdr->block_mutex);
+ mutex_unlock(&hdr->block_mutex);
return NULL;
}
- up(&hdr->block_mutex);
+ mutex_unlock(&hdr->block_mutex);
return (struct snd_util_memblk *)blk;
}
@@ -369,19 +371,19 @@ snd_emu10k1_synth_alloc(struct snd_emu10k1 *hw, unsigned int size)
struct snd_emu10k1_memblk *blk;
struct snd_util_memhdr *hdr = hw->memhdr;
- down(&hdr->block_mutex);
+ mutex_lock(&hdr->block_mutex);
blk = (struct snd_emu10k1_memblk *)__snd_util_mem_alloc(hdr, size);
if (blk == NULL) {
- up(&hdr->block_mutex);
+ mutex_unlock(&hdr->block_mutex);
return NULL;
}
if (synth_alloc_pages(hw, blk)) {
__snd_util_mem_free(hdr, (struct snd_util_memblk *)blk);
- up(&hdr->block_mutex);
+ mutex_unlock(&hdr->block_mutex);
return NULL;
}
snd_emu10k1_memblk_map(hw, blk);
- up(&hdr->block_mutex);
+ mutex_unlock(&hdr->block_mutex);
return (struct snd_util_memblk *)blk;
}
@@ -396,14 +398,14 @@ snd_emu10k1_synth_free(struct snd_emu10k1 *emu, struct snd_util_memblk *memblk)
struct snd_emu10k1_memblk *blk = (struct snd_emu10k1_memblk *)memblk;
unsigned long flags;
- down(&hdr->block_mutex);
+ mutex_lock(&hdr->block_mutex);
spin_lock_irqsave(&emu->memblk_lock, flags);
if (blk->mapped_page >= 0)
unmap_memblk(emu, blk);
spin_unlock_irqrestore(&emu->memblk_lock, flags);
synth_free_pages(emu, blk);
__snd_util_mem_free(hdr, memblk);
- up(&hdr->block_mutex);
+ mutex_unlock(&hdr->block_mutex);
return 0;
}