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Diffstat (limited to 'disk/part.c')
-rw-r--r--disk/part.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/disk/part.c b/disk/part.c
index e9e18a09106..16de7a2c313 100644
--- a/disk/part.c
+++ b/disk/part.c
@@ -27,16 +27,28 @@
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_HAVE_BLOCK_DEVICE
-static struct part_driver *part_driver_lookup_type(int part_type)
+static struct part_driver *part_driver_lookup_type(struct blk_desc *dev_desc)
{
struct part_driver *drv =
ll_entry_start(struct part_driver, part_driver);
const int n_ents = ll_entry_count(struct part_driver, part_driver);
struct part_driver *entry;
- for (entry = drv; entry != drv + n_ents; entry++) {
- if (part_type == entry->part_type)
- return entry;
+ if (dev_desc->part_type == PART_TYPE_UNKNOWN) {
+ for (entry = drv; entry != drv + n_ents; entry++) {
+ int ret;
+
+ ret = entry->test(dev_desc);
+ if (!ret) {
+ dev_desc->part_type = entry->part_type;
+ return entry;
+ }
+ }
+ } else {
+ for (entry = drv; entry != drv + n_ents; entry++) {
+ if (dev_desc->part_type == entry->part_type)
+ return entry;
+ }
}
/* Not found */
@@ -285,7 +297,7 @@ void part_print(struct blk_desc *dev_desc)
{
struct part_driver *drv;
- drv = part_driver_lookup_type(dev_desc->part_type);
+ drv = part_driver_lookup_type(dev_desc);
if (!drv) {
printf("## Unknown partition table type %x\n",
dev_desc->part_type);
@@ -314,7 +326,7 @@ int part_get_info(struct blk_desc *dev_desc, int part,
info->type_guid[0] = 0;
#endif
- drv = part_driver_lookup_type(dev_desc->part_type);
+ drv = part_driver_lookup_type(dev_desc);
if (!drv) {
debug("## Unknown partition table type %x\n",
dev_desc->part_type);