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;