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path: root/drivers/mtd/maps/uclinux.c
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Diffstat (limited to 'drivers/mtd/maps/uclinux.c')
-rw-r--r--drivers/mtd/maps/uclinux.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/mtd/maps/uclinux.c b/drivers/mtd/maps/uclinux.c
index 81756e397711..d4314fb88212 100644
--- a/drivers/mtd/maps/uclinux.c
+++ b/drivers/mtd/maps/uclinux.c
@@ -22,15 +22,19 @@
/****************************************************************************/
+extern char _ebss;
+
struct map_info uclinux_ram_map = {
.name = "RAM",
+ .phys = (unsigned long)&_ebss,
+ .size = 0,
};
-struct mtd_info *uclinux_ram_mtdinfo;
+static struct mtd_info *uclinux_ram_mtdinfo;
/****************************************************************************/
-struct mtd_partition uclinux_romfs[] = {
+static struct mtd_partition uclinux_romfs[] = {
{ .name = "ROMfs" }
};
@@ -38,7 +42,7 @@ struct mtd_partition uclinux_romfs[] = {
/****************************************************************************/
-int uclinux_point(struct mtd_info *mtd, loff_t from, size_t len,
+static int uclinux_point(struct mtd_info *mtd, loff_t from, size_t len,
size_t *retlen, void **virt, resource_size_t *phys)
{
struct map_info *map = mtd->priv;
@@ -55,12 +59,10 @@ static 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->phys = addr;
- mapp->size = PAGE_ALIGN(ntohl(*((unsigned long *)(addr + 8))));
+ if (!mapp->size)
+ mapp->size = PAGE_ALIGN(ntohl(*((unsigned long *)(mapp->phys + 8))));
mapp->bankwidth = 4;
printk("uclinux[mtd]: RAM probe address=0x%x size=0x%x\n",