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cosmetic changes in flash driver 

SVN-Revision: 8135
lede-17.01
Gabor Juhos 2007-07-23 19:51:49 +00:00
parent 4df03c9b28
commit dadc9a4450
1 changed files with 18 additions and 18 deletions
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36
target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120-flash.c
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@ -61,7 +61,7 @@
struct adm5120_map_info { struct adm5120_map_info {
struct map_info map; struct map_info map;
void (*switch_bank)(unsigned); void (*switch_bank)(unsigned);
unsigned long chip_size; unsigned long window_size;
}; };
struct adm5120_flash_info { 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); struct adm5120_map_info *amap = map_to_amap(map);
map_word ret; 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); return map_word_ff(map);
FLASH_LOCK(); FLASH_LOCK();
adm5120_flash_switchbank(map, ofs); 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(); FLASH_UNLOCK();
return ret; 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); 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; return;
FLASH_LOCK(); FLASH_LOCK();
adm5120_flash_switchbank(map, ofs); 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(); 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", MAP_DBG(map, "copy_from, to=%lX, from=%lX, len=%lX\n",
(unsigned long)to, from, (unsigned long)len); (unsigned long)to, from, (unsigned long)len);
if (from > amap->chip_size) if (from > amap->window_size)
return; return;
p = (char *)to; p = (char *)to;
while (len > 0) { while (len > 0) {
t = len; t = len;
if (from < BANK_SIZE && from+len > BANK_SIZE) if ((from < BANK_SIZE) && ((from+len) > BANK_SIZE))
t = BANK_SIZE-from; t = BANK_SIZE-from;
FLASH_LOCK(); FLASH_LOCK();
MAP_DBG(map, "copying %lu byte(s) from %lX to %lX\n", 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); (unsigned long)p);
adm5120_flash_switchbank(map, from); 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(); FLASH_UNLOCK();
p += t; p += t;
from += t; from += t;
@ -267,8 +267,8 @@ static int adm5120_flash_initinfo(struct adm5120_flash_info *info,
/* get memory window size */ /* get memory window size */
t = SWITCH_READ(SWITCH_REG_MEMCTRL) >> fdesc->srs_shift; t = SWITCH_READ(SWITCH_REG_MEMCTRL) >> fdesc->srs_shift;
t &= MEMCTRL_SRS_MASK; t &= MEMCTRL_SRS_MASK;
info->amap.chip_size = flash_sizes[t]; info->amap.window_size = flash_sizes[t];
if (info->amap.chip_size == 0) { if (info->amap.window_size == 0) {
MAP_ERR(map, "invalid flash size detected\n"); MAP_ERR(map, "invalid flash size detected\n");
goto err_out; 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", MAP_INFO(map, "probing at 0x%lX, size:%ldKiB, width:%d bits\n",
(unsigned long)map->phys, (unsigned long)map->phys,
(unsigned long)info->amap.chip_size >> 10, (unsigned long)info->amap.window_size >> 10,
map->bankwidth*8); map->bankwidth*8);
return 0; return 0;
@ -316,7 +316,7 @@ static void adm5120_flash_initbanks(struct adm5120_flash_info *info)
return; return;
if (info->amap.switch_bank) { if (info->amap.switch_bank) {
info->amap.chip_size = info->mtd->size; info->amap.window_size = info->mtd->size;
return; return;
} }
@ -324,7 +324,7 @@ static void adm5120_flash_initbanks(struct adm5120_flash_info *info)
(unsigned long)map->size >> 10, (unsigned long)map->size >> 10,
(unsigned long)info->mtd->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 #ifdef CONFIG_MTD_PARTITIONS
@ -471,13 +471,13 @@ static int adm5120_flash_probe(struct platform_device *dev)
adm5120_flash_initbanks(info); adm5120_flash_initbanks(info);
if (info->mtd->size < info->amap.chip_size) { if (info->mtd->size < info->amap.window_size) {
/* readjust resources */ /* readjust resources */
iounmap(map->virt); iounmap(map->virt);
release_resource(info->res); release_resource(info->res);
kfree(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->size = info->mtd->size;
MAP_INFO(map, "reducing map size to %ldKiB\n", MAP_INFO(map, "reducing map size to %ldKiB\n",
(unsigned long)map->size >> 10); (unsigned long)map->size >> 10);