mtd: bcm47xxpart: support SquashFS with an original magic

SquashFS is supposed to use magic defined as SQUASHFS_MAGIC. What we
were supporting so far (SQSH_MAGIC) is something ZTE specific.
This patch adds support for Xiaomi R1D.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Rafał Miłecki 2014-12-16 09:50:25 +01:00 коммит произвёл Brian Norris
Родитель 16bd87b3a3
Коммит 0b56d2d45e
1 изменённых файлов: 5 добавлений и 2 удалений

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@ -15,6 +15,8 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <uapi/linux/magic.h>
/*
* NAND flash on Netgear R6250 was verified to contain 15 partitions.
* This will result in allocating too big array for some old devices, but the
@ -39,7 +41,7 @@
#define ML_MAGIC1 0x39685a42
#define ML_MAGIC2 0x26594131
#define TRX_MAGIC 0x30524448
#define SQSH_MAGIC 0x71736873 /* shsq */
#define SHSQ_MAGIC 0x71736873 /* shsq (weird ZTE H218N endianness) */
#define UBI_EC_MAGIC 0x23494255 /* UBI# */
struct trx_header {
@ -233,7 +235,8 @@ static int bcm47xxpart_parse(struct mtd_info *master,
}
/* Squashfs on devices not using TRX */
if (buf[0x000 / 4] == SQSH_MAGIC) {
if (le32_to_cpu(buf[0x000 / 4]) == SQUASHFS_MAGIC ||
buf[0x000 / 4] == SHSQ_MAGIC) {
bcm47xxpart_add_part(&parts[curr_part++], "rootfs",
offset, 0);
continue;