diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index dade02a..9c38134 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -27,7 +27,7 @@
 
 /* These are exported solely for the purpose of mtd_blkdevs.c. You
    should not use them for _anything_ else */
-DECLARE_MUTEX(mtd_table_mutex);
+DEFINE_MUTEX(mtd_table_mutex);
 struct mtd_info *mtd_table[MAX_MTD_DEVICES];
 
 EXPORT_SYMBOL_GPL(mtd_table_mutex);
@@ -49,7 +49,7 @@
 {
 	int i;
 
-	down(&mtd_table_mutex);
+	mutex_lock(&mtd_table_mutex);
 
 	for (i=0; i < MAX_MTD_DEVICES; i++)
 		if (!mtd_table[i]) {
@@ -67,7 +67,7 @@
 				not->add(mtd);
 			}
 
-			up(&mtd_table_mutex);
+			mutex_unlock(&mtd_table_mutex);
 			/* We _know_ we aren't being removed, because
 			   our caller is still holding us here. So none
 			   of this try_ nonsense, and no bitching about it
@@ -76,7 +76,7 @@
 			return 0;
 		}
 
-	up(&mtd_table_mutex);
+	mutex_unlock(&mtd_table_mutex);
 	return 1;
 }
 
@@ -94,7 +94,7 @@
 {
 	int ret;
 
-	down(&mtd_table_mutex);
+	mutex_lock(&mtd_table_mutex);
 
 	if (mtd_table[mtd->index] != mtd) {
 		ret = -ENODEV;
@@ -118,7 +118,7 @@
 		ret = 0;
 	}
 
-	up(&mtd_table_mutex);
+	mutex_unlock(&mtd_table_mutex);
 	return ret;
 }
 
@@ -135,7 +135,7 @@
 {
 	int i;
 
-	down(&mtd_table_mutex);
+	mutex_lock(&mtd_table_mutex);
 
 	list_add(&new->list, &mtd_notifiers);
 
@@ -145,7 +145,7 @@
 		if (mtd_table[i])
 			new->add(mtd_table[i]);
 
-	up(&mtd_table_mutex);
+	mutex_unlock(&mtd_table_mutex);
 }
 
 /**
@@ -162,7 +162,7 @@
 {
 	int i;
 
-	down(&mtd_table_mutex);
+	mutex_lock(&mtd_table_mutex);
 
 	module_put(THIS_MODULE);
 
@@ -171,7 +171,7 @@
 			old->remove(mtd_table[i]);
 
 	list_del(&old->list);
-	up(&mtd_table_mutex);
+	mutex_unlock(&mtd_table_mutex);
 	return 0;
 }
 
@@ -193,7 +193,7 @@
 	struct mtd_info *ret = NULL;
 	int i;
 
-	down(&mtd_table_mutex);
+	mutex_lock(&mtd_table_mutex);
 
 	if (num == -1) {
 		for (i=0; i< MAX_MTD_DEVICES; i++)
@@ -211,7 +211,7 @@
 	if (ret)
 		ret->usecount++;
 
-	up(&mtd_table_mutex);
+	mutex_unlock(&mtd_table_mutex);
 	return ret;
 }
 
@@ -219,9 +219,9 @@
 {
 	int c;
 
-	down(&mtd_table_mutex);
+	mutex_lock(&mtd_table_mutex);
 	c = --mtd->usecount;
-	up(&mtd_table_mutex);
+	mutex_unlock(&mtd_table_mutex);
 	BUG_ON(c < 0);
 
 	module_put(mtd->owner);
@@ -319,7 +319,7 @@
 	int len, l, i;
         off_t   begin = 0;
 
-	down(&mtd_table_mutex);
+	mutex_lock(&mtd_table_mutex);
 
 	len = sprintf(page, "dev:    size   erasesize  name\n");
         for (i=0; i< MAX_MTD_DEVICES; i++) {
@@ -337,7 +337,7 @@
         *eof = 1;
 
 done:
-	up(&mtd_table_mutex);
+	mutex_unlock(&mtd_table_mutex);
         if (off >= len+begin)
                 return 0;
         *start = page + (off-begin);