mirror of https://gitee.com/openkylin/linux.git
[MTD] Make OTP actually work.
The OTP code is rather broken without this. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
parent
b81226c5d5
commit
332d71f768
|
@ -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--;
|
||||
|
|
Loading…
Reference in New Issue