[MTD] Support for protection register support on Intel FLASH chips

This enables support for reading, writing and locking so called
"Protection Registers" present on some flash chips.
A subset of them are pre-programmed at the factory with a
unique set of values. The rest is user-programmable.

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

1 files changed, 5 insertions, 5 deletions

diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index b3d134392b31..3aab1b8729e0 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -1,5 +1,5 @@
 /* 
- * $Id: mtd.h,v 1.56 2004/08/09 18:46:04 dmarlin Exp $
+ * $Id: mtd.h,v 1.57 2005/02/08 17:11:15 nico Exp $
  *
  * Copyright (C) 1999-2003 David Woodhouse <dwmw2@infradead.org> et al.
  *
@@ -113,12 +113,12 @@ struct mtd_info {
          * flash devices. The user data is one time programmable but the
          * factory data is read only. 
          */
-        int (*read_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
-
+        int (*get_fact_prot_info) (struct mtd_info *mtd, struct otp_info *buf, size_t len);
         int (*read_fact_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
-
-        /* This function is not yet implemented */
+        int (*get_user_prot_info) (struct mtd_info *mtd, struct otp_info *buf, size_t len);
+        int (*read_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
         int (*write_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
+        int (*lock_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len);
 
         /* kvec-based read/write methods. We need these especially for NAND flash,
            with its limited number of write cycles per erase.