qi-hardware/openwrt-xburst
1
0
Fork 0
mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2025-04-21 12:27:27 +03:00
Code Activity

[ar71xx] update flash locking code

Browse Source 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16359 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2009-06-06 15:56:03 +00:00
parent dd385a9449
commit 282cd9f4b2
5 changed files with 48 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

46
target/linux/ar71xx/files/drivers/mtd/maps/ar91xx_flash.c
View File

@@ -60,6 +60,41 @@ static void ar91xx_flash_write(struct map_info *map, map_word d,
mb();
}
static map_word ar91xx_flash_read_lock(struct map_info *map, unsigned long ofs)
{
map_word ret;
ar71xx_flash_acquire();
ret = ar91xx_flash_read(map, ofs);
ar71xx_flash_release();
return ret;
}
static void ar91xx_flash_write_lock(struct map_info *map, map_word d,
unsigned long ofs)
{
ar71xx_flash_acquire();
ar91xx_flash_write(map, d, ofs);
ar71xx_flash_release();
}
static void ar91xx_flash_copy_from_lock(struct map_info *map, void *to,
unsigned long from, ssize_t len)
{
ar71xx_flash_acquire();
inline_map_copy_from(map, to, from, len);
ar71xx_flash_release();
}
static void ar91xx_flash_copy_to_lock(struct map_info *map, unsigned long to,
const void *from, ssize_t len)
{
ar71xx_flash_acquire();
inline_map_copy_to(map, to, from, len);
ar71xx_flash_release();
}
static int ar91xx_flash_remove(struct platform_device *pdev)
{
struct ar91xx_flash_platform_data *pdata;
@@ -152,8 +187,15 @@ static int ar91xx_flash_probe(struct platform_device *pdev)
}
simple_map_init(&info->map);
info->map.read = ar91xx_flash_read;
info->map.write = ar91xx_flash_write;
if (pdata->is_shared) {
info->map.read = ar91xx_flash_read_lock;
info->map.write = ar91xx_flash_write_lock;
info->map.copy_from = ar91xx_flash_copy_from_lock;
info->map.copy_to = ar91xx_flash_copy_to_lock;
} else {
info->map.read = ar91xx_flash_read;
info->map.write = ar91xx_flash_write;
}
probe_type = rom_probe_types;
for (; info->mtd == NULL && *probe_type != NULL; probe_type++)