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Commit 332d71f7 authored by Nicolas Pitre's avatar Nicolas Pitre Committed by Thomas Gleixner
Browse files

[MTD] Make OTP actually work. 



The OTP code is rather broken without this.

Signed-off-by: default avatarNicolas Pitre <nico@cam.org>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent b81226c5

drivers/mtd/chips/cfi_cmdset_0001.c

+5 −3
Original line number Diff line number Diff line
@@ -4,7 +4,7 @@ 
 *

 * (C) 2000 Red Hat. GPL'd

 *

 * $Id: cfi_cmdset_0001.c,v 1.167 2005/02/08 17:11:15 nico Exp $

 * $Id: cfi_cmdset_0001.c,v 1.168 2005/02/17 20:34:59 nico Exp $

 *

 * 

 * 10/10/2000	Nicolas Pitre <nico@cam.org>
@@ -2025,7 +2025,7 @@ do_otp_lock(struct map_info *map, struct flchip *chip, u_long offset, 
	map_word datum;



	/* make sure area matches group boundaries */

	if (offset != 0 || size != grpsz)

	if (size != grpsz)

		return -EXDEV;



	datum = map_word_ff(map);
@@ -2089,7 +2089,7 @@ static int cfi_intelext_otp_walk(struct mtd_info *mtd, loff_t from, size_t len, 
				groupno = 0;

			}



			while (groups > 0) {

			while (len > 0 && groups > 0) {

				if (!action) {

					/*

					 * Special case: if action is NULL
@@ -2118,6 +2118,7 @@ static int cfi_intelext_otp_walk(struct mtd_info *mtd, loff_t from, size_t len, 
					*retlen += sizeof(*otpinfo);

				} else if (from >= groupsize) {

					from -= groupsize;

					data_offset += groupsize;

				} else {

					int size = groupsize;

					data_offset += from;
@@ -2133,6 +2134,7 @@ static int cfi_intelext_otp_walk(struct mtd_info *mtd, loff_t from, size_t len, 
					buf += size;

					len -= size;

					*retlen += size;

					data_offset += size;

				}

				groupno++;

				groups--;