You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
67 lines
1.8 KiB
Diff
67 lines
1.8 KiB
Diff
--- 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++;
|