X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fmtd%2Fmtdcore.c;h=9905870f56e5e0c6ced0dcb53c5f0d6f8128ee47;hb=f27f0a045b79de5729d064497e21a70871f1d6fe;hp=dade02ab0687aeee729a3e1c80339b5e27fbdf87;hpb=24bfb00123e82a2e70bd115277d922438813515b;p=powerpc.git

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index dade02ab06..9905870f56 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -19,15 +19,13 @@
 #include <linux/ioctl.h>
 #include <linux/init.h>
 #include <linux/mtd/compatmac.h>
-#ifdef CONFIG_PROC_FS
 #include <linux/proc_fs.h>
-#endif
 
 #include <linux/mtd/mtd.h>
 
 /* 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 +47,7 @@ int add_mtd_device(struct mtd_info *mtd)
 {
 	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 +65,7 @@ int add_mtd_device(struct mtd_info *mtd)
 				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 +74,7 @@ int add_mtd_device(struct mtd_info *mtd)
 			return 0;
 		}
 
-	up(&mtd_table_mutex);
+	mutex_unlock(&mtd_table_mutex);
 	return 1;
 }
 
@@ -94,7 +92,7 @@ int del_mtd_device (struct mtd_info *mtd)
 {
 	int ret;
 
-	down(&mtd_table_mutex);
+	mutex_lock(&mtd_table_mutex);
 
 	if (mtd_table[mtd->index] != mtd) {
 		ret = -ENODEV;
@@ -118,7 +116,7 @@ int del_mtd_device (struct mtd_info *mtd)
 		ret = 0;
 	}
 
-	up(&mtd_table_mutex);
+	mutex_unlock(&mtd_table_mutex);
 	return ret;
 }
 
@@ -135,7 +133,7 @@ void register_mtd_user (struct mtd_notifier *new)
 {
 	int i;
 
-	down(&mtd_table_mutex);
+	mutex_lock(&mtd_table_mutex);
 
 	list_add(&new->list, &mtd_notifiers);
 
@@ -145,7 +143,7 @@ void register_mtd_user (struct mtd_notifier *new)
 		if (mtd_table[i])
 			new->add(mtd_table[i]);
 
-	up(&mtd_table_mutex);
+	mutex_unlock(&mtd_table_mutex);
 }
 
 /**
@@ -162,7 +160,7 @@ int unregister_mtd_user (struct mtd_notifier *old)
 {
 	int i;
 
-	down(&mtd_table_mutex);
+	mutex_lock(&mtd_table_mutex);
 
 	module_put(THIS_MODULE);
 
@@ -171,7 +169,7 @@ int unregister_mtd_user (struct mtd_notifier *old)
 			old->remove(mtd_table[i]);
 
 	list_del(&old->list);
-	up(&mtd_table_mutex);
+	mutex_unlock(&mtd_table_mutex);
 	return 0;
 }
 
@@ -193,7 +191,7 @@ struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num)
 	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 +209,7 @@ struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num)
 	if (ret)
 		ret->usecount++;
 
-	up(&mtd_table_mutex);
+	mutex_unlock(&mtd_table_mutex);
 	return ret;
 }
 
@@ -219,9 +217,9 @@ void put_mtd_device(struct mtd_info *mtd)
 {
 	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);
@@ -296,10 +294,11 @@ EXPORT_SYMBOL(unregister_mtd_user);
 EXPORT_SYMBOL(default_mtd_writev);
 EXPORT_SYMBOL(default_mtd_readv);
 
+#ifdef CONFIG_PROC_FS
+
 /*====================================================================*/
 /* Support for /proc/mtd */
 
-#ifdef CONFIG_PROC_FS
 static struct proc_dir_entry *proc_mtd;
 
 static inline int mtd_proc_info (char *buf, int i)
@@ -319,7 +318,7 @@ static int mtd_read_proc (char *page, char **start, off_t off, int count,
 	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++) {
@@ -337,38 +336,34 @@ static int mtd_read_proc (char *page, char **start, off_t off, int count,
         *eof = 1;
 
 done:
-	up(&mtd_table_mutex);
+	mutex_unlock(&mtd_table_mutex);
         if (off >= len+begin)
                 return 0;
         *start = page + (off-begin);
         return ((count < begin+len-off) ? count : begin+len-off);
 }
 
-#endif /* CONFIG_PROC_FS */
-
 /*====================================================================*/
 /* Init code */
 
 static int __init init_mtd(void)
 {
-#ifdef CONFIG_PROC_FS
 	if ((proc_mtd = create_proc_entry( "mtd", 0, NULL )))
 		proc_mtd->read_proc = mtd_read_proc;
-#endif
 	return 0;
 }
 
 static void __exit cleanup_mtd(void)
 {
-#ifdef CONFIG_PROC_FS
         if (proc_mtd)
 		remove_proc_entry( "mtd", NULL);
-#endif
 }
 
 module_init(init_mtd);
 module_exit(cleanup_mtd);
 
+#endif /* CONFIG_PROC_FS */
+
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("David Woodhouse <dwmw2@infradead.org>");