1 files changed, 23 insertions, 69 deletions

diff --git a/linux-2.4.x/drivers/mtd/maps/uclinux.c b/linux-2.4.x/drivers/mtd/maps/uclinux.c
index 3c7ff64..977a8ea 100644
--- a/linux-2.4.x/drivers/mtd/maps/uclinux.c
+++ b/linux-2.4.x/drivers/mtd/maps/uclinux.c
@@ -4,6 +4,8 @@
  *	uclinux.c -- generic memory mapped MTD driver for uclinux
  *
  *	(C) Copyright 2002, Greg Ungerer (gerg@snapgear.com)
+ *
+ * 	$Id: uclinux.c,v 1.13 2006/03/29 08:31:12 dwmw2 Exp $
  */
 
 /****************************************************************************/
@@ -15,6 +17,7 @@
 #include <linux/kernel.h>
 #include <linux/fs.h>
 #include <linux/major.h>
+#include <linux/root_dev.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/map.h>
 #include <linux/mtd/partitions.h>
@@ -22,58 +25,8 @@
 
 /****************************************************************************/
 
-__u8 uclinux_read8(struct map_info *map, unsigned long ofs)
-{
-	return(*((__u8 *) (map->map_priv_1 + ofs)));
-}
-
-__u16 uclinux_read16(struct map_info *map, unsigned long ofs)
-{
-	return(*((__u16 *) (map->map_priv_1 + ofs)));
-}
-
-__u32 uclinux_read32(struct map_info *map, unsigned long ofs)
-{
-	return(*((__u32 *) (map->map_priv_1 + ofs)));
-}
-
-void uclinux_copy_from(struct map_info *map, void *to, unsigned long from, ssize_t len)
-{
-	memcpy(to, (void *)(map->map_priv_1 + from), len);
-}
-
-void uclinux_write8(struct map_info *map, __u8 d, unsigned long adr)
-{
-	*((__u8 *) (map->map_priv_1 + adr)) = d;
-}
-
-void uclinux_write16(struct map_info *map, __u16 d, unsigned long adr)
-{
-	*((__u16 *) (map->map_priv_1 + adr)) = d;
-}
-
-void uclinux_write32(struct map_info *map, __u32 d, unsigned long adr)
-{
-	*((__u32 *) (map->map_priv_1 + adr)) = d;
-}
-
-void uclinux_copy_to(struct map_info *map, unsigned long to, const void *from, ssize_t len)
-{
-	memcpy((void *) (map->map_priv_1 + to), from, len);
-}
-
-/****************************************************************************/
-
 struct map_info uclinux_ram_map = {
-	name:		"RAM",
-	read8:		uclinux_read8,
-	read16:		uclinux_read16,
-	read32:		uclinux_read32,
-	copy_from:	uclinux_copy_from,
-	write8:		uclinux_write8,
-	write16:	uclinux_write16,
-	write32:	uclinux_write32,
-	copy_to:	uclinux_copy_to,
+	.name = "RAM",
 };
 
 struct mtd_info *uclinux_ram_mtdinfo;
@@ -81,18 +34,18 @@ struct mtd_info *uclinux_ram_mtdinfo;
 /****************************************************************************/
 
 struct mtd_partition uclinux_romfs[] = {
-	{ name: "ROMfs", offset: 0 }
+	{ .name = "ROMfs" }
 };
 
-#define	NUM_PARTITIONS	(sizeof(uclinux_romfs) / sizeof(uclinux_romfs[0]))
+#define	NUM_PARTITIONS	ARRAY_SIZE(uclinux_romfs)
 
 /****************************************************************************/
 
 int uclinux_point(struct mtd_info *mtd, loff_t from, size_t len,
 	size_t *retlen, u_char **mtdbuf)
 {
-	struct map_info *map = (struct map_info *) mtd->priv;
-	*mtdbuf = (u_char *) (map->map_priv_1 + ((int) from));
+	struct map_info *map = mtd->priv;
+	*mtdbuf = (u_char *) (map->virt + ((int) from));
 	*retlen = len;
 	return(0);
 }
@@ -104,31 +57,33 @@ int __init uclinux_mtd_init(void)
 	struct mtd_info *mtd;
 	struct map_info *mapp;
 	extern char _ebss;
+	unsigned long addr = (unsigned long) &_ebss;
 
 	mapp = &uclinux_ram_map;
-	mapp->map_priv_2 = (unsigned long) &_ebss;
-	mapp->size = PAGE_ALIGN(*((unsigned long *)((&_ebss) + 8)));
-	mapp->buswidth = 4;
+	mapp->phys = addr;
+	mapp->size = PAGE_ALIGN(ntohl(*((unsigned long *)(addr + 8))));
+	mapp->bankwidth = 4;
 
 	printk("uclinux[mtd]: RAM probe address=0x%x size=0x%x\n",
-	       	(int) mapp->map_priv_2, (int) mapp->size);
+	       	(int) mapp->phys, (int) mapp->size);
 
-	mapp->map_priv_1 = (unsigned long)
-		ioremap_nocache(mapp->map_priv_2, mapp->size);
+	mapp->virt = ioremap_nocache(mapp->phys, mapp->size);
 
-	if (mapp->map_priv_1 == 0) {
+	if (mapp->virt == 0) {
 		printk("uclinux[mtd]: ioremap_nocache() failed\n");
 		return(-EIO);
 	}
 
+	simple_map_init(mapp);
+
 	mtd = do_map_probe("map_ram", mapp);
 	if (!mtd) {
 		printk("uclinux[mtd]: failed to find a mapping?\n");
-		iounmap((void *) mapp->map_priv_1);
+		iounmap(mapp->virt);
 		return(-ENXIO);
 	}
-		
-	mtd->module = THIS_MODULE;
+
+	mtd->owner = THIS_MODULE;
 	mtd->point = uclinux_point;
 	mtd->priv = mapp;
 
@@ -138,7 +93,6 @@ int __init uclinux_mtd_init(void)
 	printk("uclinux[mtd]: set %s to be root filesystem\n",
 	     	uclinux_romfs[0].name);
 	ROOT_DEV = MKDEV(MTD_BLOCK_MAJOR, 0);
-	put_mtd_device(mtd);
 
 	return(0);
 }
@@ -152,9 +106,9 @@ void __exit uclinux_mtd_cleanup(void)
 		map_destroy(uclinux_ram_mtdinfo);
 		uclinux_ram_mtdinfo = NULL;
 	}
-	if (uclinux_ram_map.map_priv_1) {
-		iounmap((void *) uclinux_ram_map.map_priv_1);
-		uclinux_ram_map.map_priv_1 = 0;
+	if (uclinux_ram_map.virt) {
+		iounmap((void *) uclinux_ram_map.virt);
+		uclinux_ram_map.virt = 0;
 	}
 }