mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 09:12:39 +00:00
35 lines
1.0 KiB
Diff
35 lines
1.0 KiB
Diff
|
--- a/drivers/mtd/bcm47xxpart.c
|
||
|
|
+++ b/drivers/mtd/bcm47xxpart.c
|
||
|
|
@@ -100,6 +100,7 @@ static int bcm47xxpart_parse(struct mtd_
|
||
|
|
int last_trx_part = -1;
|
||
|
|
int possible_nvram_sizes[] = { 0x8000, 0xF000, 0x10000, };
|
||
|
|
int err;
|
||
|
|
+ bool found_nvram = false;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Some really old flashes (like AT45DB*) had smaller erasesize-s, but
|
||
|
|
@@ -306,12 +307,23 @@ static int bcm47xxpart_parse(struct mtd_
|
||
|
|
if (buf[0] == NVRAM_HEADER) {
|
||
|
|
bcm47xxpart_add_part(&parts[curr_part++], "nvram",
|
||
|
|
master->size - blocksize, 0);
|
||
|
|
+ found_nvram = true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
kfree(buf);
|
||
|
|
|
||
|
|
+ if (!found_nvram) {
|
||
|
|
+ pr_err("can not find a nvram partition reserve last block\n");
|
||
|
|
+ bcm47xxpart_add_part(&parts[curr_part++], "nvram_guess",
|
||
|
|
+ master->size - blocksize * 2, MTD_WRITEABLE);
|
||
|
|
+ for (i = 0; i < curr_part; i++) {
|
||
|
|
+ if (parts[i].size + parts[i].offset == master->size)
|
||
|
|
+ parts[i].offset -= blocksize * 2;
|
||
|
|
+ }
|
||
|
|
+ }
|
||
|
|
+
|
||
|
|
/*
|
||
|
|
* Assume that partitions end at the beginning of the one they are
|
||
|
|
* followed by.
|