diff options
| author | Nicolas Pitre <nico@cam.org> | 2005-02-08 17:11:19 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@mtd.linutronix.de> | 2005-05-23 12:25:23 +0200 |
| commit | f77814dd5728edaf1239d19755d2aa0d8c33d861 (patch) | |
| tree | 5cf7f73aa367bf152e5fbd16b5173e18bb787dd5 /include/linux/mtd/mtd.h | |
| parent | 67d9e95c393d23c229836e28b262dc73d71da784 (diff) | |
[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>
Diffstat (limited to 'include/linux/mtd/mtd.h')
| -rw-r--r-- | include/linux/mtd/mtd.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index b3d134392b3..3aab1b8729e 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. |