X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmtd%2Fchips%2Fmap_rom.c;h=cb27f855074c279a65ce23a53cc2615ff9417d55;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=8ccf917533bba8c8a0860ce33b8b3d1a5a02b0ac;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/drivers/mtd/chips/map_rom.c b/drivers/mtd/chips/map_rom.c
index 8ccf91753..cb27f8550 100644
--- a/drivers/mtd/chips/map_rom.c
+++ b/drivers/mtd/chips/map_rom.c
@@ -1,7 +1,7 @@
 /*
  * Common code to handle map devices which are simple ROM
  * (C) 2000 Red Hat. GPL'd.
- * $Id: map_rom.c,v 1.20 2003/05/28 12:51:49 dwmw2 Exp $
+ * $Id: map_rom.c,v 1.23 2005/01/05 18:05:12 dwmw2 Exp $
  */
 
 #include <linux/module.h>
@@ -19,7 +19,7 @@
 static int maprom_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
 static int maprom_write (struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
 static void maprom_nop (struct mtd_info *);
-struct mtd_info *map_rom_probe(struct map_info *map);
+static struct mtd_info *map_rom_probe(struct map_info *map);
 
 static struct mtd_chip_driver maprom_chipdrv = {
 	.probe	= map_rom_probe,
@@ -27,16 +27,14 @@ static struct mtd_chip_driver maprom_chipdrv = {
 	.module	= THIS_MODULE
 };
 
-struct mtd_info *map_rom_probe(struct map_info *map)
+static struct mtd_info *map_rom_probe(struct map_info *map)
 {
 	struct mtd_info *mtd;
 
-	mtd = kmalloc(sizeof(*mtd), GFP_KERNEL);
+	mtd = kzalloc(sizeof(*mtd), GFP_KERNEL);
 	if (!mtd)
 		return NULL;
 
-	memset(mtd, 0, sizeof(*mtd));
-
 	map->fldrv = &maprom_chipdrv;
 	mtd->priv = map;
 	mtd->name = map->name;
@@ -46,9 +44,8 @@ struct mtd_info *map_rom_probe(struct map_info *map)
 	mtd->write = maprom_write;
 	mtd->sync = maprom_nop;
 	mtd->flags = MTD_CAP_ROM;
-	mtd->erasesize = 131072;
- 	while(mtd->size & (mtd->erasesize - 1))
-		mtd->erasesize >>= 1;
+	mtd->erasesize = map->size;
+	mtd->writesize = 1;
 
 	__module_get(THIS_MODULE);
 	return mtd;
@@ -57,7 +54,7 @@ struct mtd_info *map_rom_probe(struct map_info *map)
 
 static int maprom_read (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf)
 {
-	struct map_info *map = (struct map_info *)mtd->priv;
+	struct map_info *map = mtd->priv;
 
 	map_copy_from(map, buf, from, len);
 	*retlen = len;
@@ -75,7 +72,7 @@ static int maprom_write (struct mtd_info *mtd, loff_t to, size_t len, size_t *re
 	return -EIO;
 }
 
-int __init map_rom_init(void)
+static int __init map_rom_init(void)
 {
 	register_mtd_chip_driver(&maprom_chipdrv);
 	return 0;