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--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -40,6 +40,7 @@
#define ML_MAGIC2 0x26594131
#define TRX_MAGIC 0x30524448
#define SQSH_MAGIC 0x71736873 /* shsq */
+#define UBI_EC_MAGIC 0x23494255 /* UBI# */
struct trx_header {
uint32_t magic;
@@ -50,7 +51,7 @@ struct trx_header {
uint32_t offset[3];
} __packed;
-static void bcm47xxpart_add_part(struct mtd_partition *part, char *name,
+static void bcm47xxpart_add_part(struct mtd_partition *part, const char *name,
u64 offset, uint32_t mask_flags)
{
part->name = name;
@@ -58,6 +59,26 @@ static void bcm47xxpart_add_part(struct
part->mask_flags = mask_flags;
}
+static const char *bcm47xxpart_trx_data_part_name(struct mtd_info *master,
+ size_t offset)
+{
+ uint32_t buf;
+ size_t bytes_read;
+
+ if (mtd_read(master, offset, sizeof(&buf), &bytes_read,
+ (uint8_t *)&buf) < 0) {
+ pr_err("mtd_read error while parsing (offset: 0x%X)!\n",
+ offset);
+ goto out_default;
+ }
+
+ if (buf == UBI_EC_MAGIC)
+ return "ubi";
+
+out_default:
+ return "rootfs";
+}
+
static int bcm47xxpart_parse(struct mtd_info *master,
struct mtd_partition **pparts,
struct mtd_part_parser_data *data)
@@ -151,6 +172,8 @@ static int bcm47xxpart_parse(struct mtd_
/* TRX */
if (buf[0x000 / 4] == TRX_MAGIC) {
+ const char *name;
+
if (BCM47XXPART_MAX_PARTS - curr_part < 4) {
pr_warn("Not enough partitions left to register trx, scanning stopped!\n");
break;
@@ -186,8 +209,9 @@ static int bcm47xxpart_parse(struct mtd_
* we want to have jffs2 (overlay) in the same mtd.
*/
if (trx->offset[i]) {
+ name = bcm47xxpart_trx_data_part_name(master, offset + trx->offset[i]);
bcm47xxpart_add_part(&parts[curr_part++],
- "rootfs",
+ name,
offset + trx->offset[i],
0);
i++;
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