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-rw-r--r--target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120-flash.c36
1 files changed, 18 insertions, 18 deletions
diff --git a/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120-flash.c b/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120-flash.c
index 25193a2f0..c0773203d 100644
--- a/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120-flash.c
+++ b/target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120-flash.c
@@ -61,7 +61,7 @@
struct adm5120_map_info {
struct map_info map;
void (*switch_bank)(unsigned);
- unsigned long chip_size;
+ unsigned long window_size;
};
struct adm5120_flash_info {
@@ -158,14 +158,14 @@ static map_word adm5120_flash_read(struct map_info *map, unsigned long ofs)
struct adm5120_map_info *amap = map_to_amap(map);
map_word ret;
- MAP_DBG(map, "reading from ofs %lu\n", ofs);
+ MAP_DBG(map, "reading from ofs %lX\n", ofs);
- if (ofs >= amap->chip_size)
+ if (ofs >= amap->window_size)
return map_word_ff(map);
FLASH_LOCK();
adm5120_flash_switchbank(map, ofs);
- ret = inline_map_read(map, (ofs & BANK_OFFS_MASK));
+ ret = inline_map_read(map, (ofs & (amap->window_size-1)));
FLASH_UNLOCK();
return ret;
@@ -176,14 +176,14 @@ static void adm5120_flash_write(struct map_info *map, const map_word datum,
{
struct adm5120_map_info *amap = map_to_amap(map);
- MAP_DBG(map,"writing to ofs %lu\n", ofs);
+ MAP_DBG(map,"writing to ofs %lX\n", ofs);
- if (ofs > amap->chip_size)
+ if (ofs > amap->window_size)
return;
FLASH_LOCK();
adm5120_flash_switchbank(map, ofs);
- inline_map_write(map, datum, (ofs & BANK_OFFS_MASK));
+ inline_map_write(map, datum, (ofs & (amap->window_size-1)));
FLASH_UNLOCK();
}
@@ -197,21 +197,21 @@ static void adm5120_flash_copy_from(struct map_info *map, void *to,
MAP_DBG(map, "copy_from, to=%lX, from=%lX, len=%lX\n",
(unsigned long)to, from, (unsigned long)len);
- if (from > amap->chip_size)
+ if (from > amap->window_size)
return;
p = (char *)to;
while (len > 0) {
t = len;
- if (from < BANK_SIZE && from+len > BANK_SIZE)
+ if ((from < BANK_SIZE) && ((from+len) > BANK_SIZE))
t = BANK_SIZE-from;
FLASH_LOCK();
MAP_DBG(map, "copying %lu byte(s) from %lX to %lX\n",
- (unsigned long)t, (from & BANK_OFFS_MASK),
+ (unsigned long)t, (from & (amap->window_size-1)),
(unsigned long)p);
adm5120_flash_switchbank(map, from);
- inline_map_copy_from(map, p, (from & BANK_OFFS_MASK), t);
+ inline_map_copy_from(map, p, (from & (amap->window_size-1)), t);
FLASH_UNLOCK();
p += t;
from += t;
@@ -267,8 +267,8 @@ static int adm5120_flash_initinfo(struct adm5120_flash_info *info,
/* get memory window size */
t = SWITCH_READ(SWITCH_REG_MEMCTRL) >> fdesc->srs_shift;
t &= MEMCTRL_SRS_MASK;
- info->amap.chip_size = flash_sizes[t];
- if (info->amap.chip_size == 0) {
+ info->amap.window_size = flash_sizes[t];
+ if (info->amap.window_size == 0) {
MAP_ERR(map, "invalid flash size detected\n");
goto err_out;
}
@@ -298,7 +298,7 @@ static int adm5120_flash_initinfo(struct adm5120_flash_info *info,
MAP_INFO(map, "probing at 0x%lX, size:%ldKiB, width:%d bits\n",
(unsigned long)map->phys,
- (unsigned long)info->amap.chip_size >> 10,
+ (unsigned long)info->amap.window_size >> 10,
map->bankwidth*8);
return 0;
@@ -316,7 +316,7 @@ static void adm5120_flash_initbanks(struct adm5120_flash_info *info)
return;
if (info->amap.switch_bank) {
- info->amap.chip_size = info->mtd->size;
+ info->amap.window_size = info->mtd->size;
return;
}
@@ -324,7 +324,7 @@ static void adm5120_flash_initbanks(struct adm5120_flash_info *info)
(unsigned long)map->size >> 10,
(unsigned long)info->mtd->size >> 10);
- info->mtd->size = info->amap.chip_size;
+ info->mtd->size = info->amap.window_size;
}
#ifdef CONFIG_MTD_PARTITIONS
@@ -471,13 +471,13 @@ static int adm5120_flash_probe(struct platform_device *dev)
adm5120_flash_initbanks(info);
- if (info->mtd->size < info->amap.chip_size) {
+ if (info->mtd->size < info->amap.window_size) {
/* readjust resources */
iounmap(map->virt);
release_resource(info->res);
kfree(info->res);
- info->amap.chip_size = info->mtd->size;
+ info->amap.window_size = info->mtd->size;
map->size = info->mtd->size;
MAP_INFO(map, "reducing map size to %ldKiB\n",
(unsigned long)map->size >> 10);