From: Nicolas Pitre <nico@cam.org>
Date: Sat, 5 Feb 2005 02:06:19 +0000 (+0000)
Subject: [MTD] Add OTP basisc
X-Git-Tag: firefly_0821_release~42753^2~123
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=72b56a2d7dccd9ea90f34f6ddb653086a3f3bd2e;p=firefly-linux-kernel-4.4.55.git

[MTD] Add OTP basisc

add structure definition for OTP region info

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index c268bcd71720..c630d7532f7a 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -4,7 +4,7 @@
  *
  * (C) 2000 Red Hat. GPL'd
  *
- * $Id: cfi_cmdset_0001.c,v 1.164 2004/11/16 18:29:00 dwmw2 Exp $
+ * $Id: cfi_cmdset_0001.c,v 1.165 2005/02/05 02:06:15 nico Exp $
  *
  * 
  * 10/10/2000	Nicolas Pitre <nico@cam.org>
@@ -252,7 +252,8 @@ read_pri_intelext(struct map_info *map, __u16 adr)
 		int nb_parts, i;
 
 		/* Protection Register info */
-		extra_size += (extp->NumProtectionFields - 1) * (4 + 6);
+		extra_size += (extp->NumProtectionFields - 1) *
+			      sizeof(struct cfi_intelext_otpinfo);
 
 		/* Burst Read info */
 		extra_size += 6;
@@ -471,7 +472,8 @@ static int cfi_intelext_partition_fixup(struct mtd_info *mtd,
 		int offs, numregions, numparts, partshift, numvirtchips, i, j;
 
 		/* Protection Register info */
-		offs = (extp->NumProtectionFields - 1) * (4 + 6);
+		offs = (extp->NumProtectionFields - 1) *
+		       sizeof(struct cfi_intelext_otpinfo);
 
 		/* Burst Read info */
 		offs += 6;
diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
index 2ed8c585021e..d87dc3fbd4ba 100644
--- a/include/linux/mtd/cfi.h
+++ b/include/linux/mtd/cfi.h
@@ -1,7 +1,7 @@
 
 /* Common Flash Interface structures 
  * See http://support.intel.com/design/flash/technote/index.htm
- * $Id: cfi.h,v 1.50 2004/11/20 12:46:51 dwmw2 Exp $
+ * $Id: cfi.h,v 1.51 2005/02/05 02:06:16 nico Exp $
  */
 
 #ifndef __MTD_CFI_H__
@@ -148,6 +148,14 @@ struct cfi_pri_intelext {
 	uint8_t  extra[0];
 } __attribute__((packed));
 
+struct cfi_intelext_otpinfo {
+	uint32_t ProtRegAddr;
+	uint16_t FactGroups;
+	uint8_t  FactProtRegSize;
+	uint16_t UserGroups;
+	uint8_t  UserProtRegSize;
+} __attribute__((packed));
+
 struct cfi_intelext_blockinfo {
 	uint16_t NumIdentBlocks;
 	uint16_t BlockSize;