[adm5120] cosmetic changes in flash driver
authorGabor Juhos <juhosg@openwrt.org>
Mon, 23 Jul 2007 19:51:49 +0000 (19:51 +0000)
committerGabor Juhos <juhosg@openwrt.org>
Mon, 23 Jul 2007 19:51:49 +0000 (19:51 +0000)
SVN-Revision: 8135

target/linux/adm5120-2.6/files/drivers/mtd/maps/adm5120-flash.c

index 25193a2..c077320 100644 (file)
@@ -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);