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Diffstat (limited to 'fs/fat')
-rw-r--r--fs/fat/fat.c66
1 files changed, 31 insertions, 35 deletions
diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index 31042e5..393c378 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -61,44 +61,12 @@ static int disk_read(__u32 block, __u32 nr_blocks, void *buf)
cur_part_info.start + block, nr_blocks, buf);
}
-int fat_register_device(block_dev_desc_t * dev_desc, int part_no)
+int fat_set_blk_dev(block_dev_desc_t *dev_desc, disk_partition_t *info)
{
ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz);
- /* First close any currently found FAT filesystem */
- cur_dev = NULL;
-
-#if (defined(CONFIG_CMD_IDE) || \
- defined(CONFIG_CMD_SATA) || \
- defined(CONFIG_CMD_SCSI) || \
- defined(CONFIG_CMD_USB) || \
- defined(CONFIG_MMC) || \
- defined(CONFIG_SYSTEMACE) )
-
- /* Read the partition table, if present */
- if (!get_partition_info(dev_desc, part_no, &cur_part_info))
- cur_dev = dev_desc;
-#endif
-
- /* Otherwise it might be a superfloppy (whole-disk FAT filesystem) */
- if (!cur_dev) {
- if (part_no != 0) {
- printf("** Partition %d not valid on device %d **\n",
- part_no, dev_desc->dev);
- return -1;
- }
-
- cur_dev = dev_desc;
- cur_part_info.start = 0;
- cur_part_info.size = dev_desc->lba;
- cur_part_info.blksz = dev_desc->blksz;
- cur_part_info.name[0] = 0;
- cur_part_info.type[0] = 0;
- cur_part_info.bootable = 0;
-#ifdef CONFIG_PARTITION_UUIDS
- cur_part_info.uuid[0] = 0;
-#endif
- }
+ cur_dev = dev_desc;
+ cur_part_info = *info;
/* Make sure it has a valid FAT header */
if (disk_read(0, 1, buffer) != 1) {
@@ -122,6 +90,34 @@ int fat_register_device(block_dev_desc_t * dev_desc, int part_no)
return -1;
}
+int fat_register_device(block_dev_desc_t *dev_desc, int part_no)
+{
+ disk_partition_t info;
+
+ /* First close any currently found FAT filesystem */
+ cur_dev = NULL;
+
+ /* Read the partition table, if present */
+ if (get_partition_info(dev_desc, part_no, &info)) {
+ if (part_no != 0) {
+ printf("** Partition %d not valid on device %d **\n",
+ part_no, dev_desc->dev);
+ return -1;
+ }
+
+ info.start = 0;
+ info.size = dev_desc->lba;
+ info.blksz = dev_desc->blksz;
+ info.name[0] = 0;
+ info.type[0] = 0;
+ info.bootable = 0;
+#ifdef CONFIG_PARTITION_UUIDS
+ info.uuid[0] = 0;
+#endif
+ }
+
+ return fat_set_blk_dev(dev_desc, &info);
+}
/*
* Get the first occurence of a directory delimiter ('/' or '\') in a string.