MIPS: bcm963xx: Update bcm_tag field image_sequence

The "dual_image" and "inactive_flag" fields should be merged into a single
"image_sequence" field.

Signed-off-by: Simon Arlott <simon@fire.lp0.eu>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Brian Norris <computersforpeace@gmail.com>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Jonas Gorski <jogo@openwrt.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc: MIPS Mailing List <linux-mips@linux-mips.org>
Cc: MTD Maling List <linux-mtd@lists.infradead.org>
Patchwork: https://patchwork.linux-mips.org/patch/11834/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 5 insertions, 6 deletions

diff --git a/include/linux/bcm963xx_tag.h b/include/linux/bcm963xx_tag.h
index 08e0133820ed..161c7b37a77b 100644
--- a/include/linux/bcm963xx_tag.h
+++ b/include/linux/bcm963xx_tag.h
@@ -12,8 +12,7 @@
 #define CHIPID_LEN              6       /* Chip Id Length */
 #define IMAGE_LEN               10      /* Length of Length Field */
 #define ADDRESS_LEN             12      /* Length of Address field */
-#define DUALFLAG_LEN            2       /* Dual Image flag Length */
-#define INACTIVEFLAG_LEN        2       /* Inactie Flag Length */
+#define IMAGE_SEQUENCE_LEN      4       /* Image sequence Length */
 #define RSASIG_LEN              20      /* Length of RSA Signature in tag */
 #define TAGINFO1_LEN            30      /* Length of vendor information field1 in tag */
 #define FLASHLAYOUTVER_LEN      4       /* Length of Flash Layout Version String tag */
@@ -72,10 +71,10 @@ struct bcm_tag {
         char kernel_address[ADDRESS_LEN];
         /* 128-137: Size of kernel */
         char kernel_length[IMAGE_LEN];
-        /* 138-139: Unused at the moment */
-        char dual_image[DUALFLAG_LEN];
-        /* 140-141: Unused at the moment */
-        char inactive_flag[INACTIVEFLAG_LEN];
+        /* 138-141: Image sequence number
+         * (to be incremented when flashed with a new image)
+         */
+        char image_sequence[IMAGE_SEQUENCE_LEN];
         /* 142-161: RSA Signature (not used; some vendors may use this) */
         char rsa_signature[RSASIG_LEN];
         /* 162-191: Compilation and related information (not used in OpenWrt) */