Patchwork mtd: bcm47xxpart: detect "factory" partition

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Submitter Rafał Miłecki
Date Sept. 15, 2013, 8:41 p.m.
Message ID <1379277687-6454-1-git-send-email-zajec5@gmail.com>
Download mbox | patch
Permalink /patch/275072/
State Accepted
Commit 33094c736cd36a6cecadae6bce4daba89dabc326
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Comments

Rafał Miłecki - Sept. 15, 2013, 8:41 p.m.
A new type of partition with magic FCTY was found on Huawei E970:
46 43 54 59 4b 51 37 4e  41 42 31 38 41 32 39 30  |FCTYKQ7NAB18A290|

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
 drivers/mtd/bcm47xxpart.c |    8 ++++++++
 1 file changed, 8 insertions(+)

Patch

diff --git a/drivers/mtd/bcm47xxpart.c b/drivers/mtd/bcm47xxpart.c
index 61213f9..20ef301 100644
--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -27,6 +27,7 @@ 
 
 /* Magics */
 #define BOARD_DATA_MAGIC		0x5246504D	/* MPFR */
+#define FACTORY_MAGIC			0x59544346	/* FCTY */
 #define POT_MAGIC1			0x54544f50	/* POTT */
 #define POT_MAGIC2			0x504f		/* OP */
 #define ML_MAGIC1			0x39685a42
@@ -111,6 +112,13 @@  static int bcm47xxpart_parse(struct mtd_info *master,
 			continue;
 		}
 
+		/* Found on Huawei E970 */
+		if (buf[0x000 / 4] == FACTORY_MAGIC) {
+			bcm47xxpart_add_part(&parts[curr_part++], "factory",
+					     offset, MTD_WRITEABLE);
+			continue;
+		}
+
 		/* POT(TOP) */
 		if (buf[0x000 / 4] == POT_MAGIC1 &&
 		    (buf[0x004 / 4] & 0xFFFF) == POT_MAGIC2) {