X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sound%2Fpci%2Femu10k1%2Fmemory.c;h=4fcaefe5a3c593e14746288b30217e8c01f94e99;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=68c795c03109cb6382305ab58d5ecf50a63446e7;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/sound/pci/emu10k1/memory.c b/sound/pci/emu10k1/memory.c
index 68c795c03..4fcaefe5a 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>
 
@@ -285,6 +287,8 @@ int snd_emu10k1_memblk_map(struct snd_emu10k1 *emu, struct snd_emu10k1_memblk *b
 	return err;
 }
 
+EXPORT_SYMBOL(snd_emu10k1_memblk_map);
+
 /*
  * page allocation for DMA
  */
@@ -302,10 +306,10 @@ 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 +322,14 @@ 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 +341,10 @@ 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;
 }
 
@@ -369,22 +373,23 @@ 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;
 }
 
+EXPORT_SYMBOL(snd_emu10k1_synth_alloc);
 
 /*
  * free a synth sample area
@@ -396,17 +401,18 @@ 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;
 }
 
+EXPORT_SYMBOL(snd_emu10k1_synth_free);
 
 /* check new allocation range */
 static void get_single_page_range(struct snd_util_memhdr *hdr,
@@ -538,6 +544,8 @@ int snd_emu10k1_synth_bzero(struct snd_emu10k1 *emu, struct snd_util_memblk *blk
 	return 0;
 }
 
+EXPORT_SYMBOL(snd_emu10k1_synth_bzero);
+
 /*
  * copy_from_user(blk + offset, data, size)
  */
@@ -566,3 +574,5 @@ int snd_emu10k1_synth_copy_from_user(struct snd_emu10k1 *emu, struct snd_util_me
 	} while (offset < end_offset);
 	return 0;
 }
+
+EXPORT_SYMBOL(snd_emu10k1_synth_copy_from_user);