openwrt/target/linux/bcm47xx/patches-4.19/400-mtd-bcm47xxpart-get-nvram.patch
Adrian Schmutzler 8fe5ad5d33 brcm47xx: rename target to bcm47xx
This change makes the names of Broadcom targets consistent by using
the common notation based on SoC/CPU ID (which is used internally
anyway), bcmXXXX instead of brcmXXXX.
This is even used for target TITLE in make menuconfig already,
only the short target name used brcm so far.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2020-02-14 14:10:51 +01:00

35 lines
1.0 KiB
Diff

--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -102,6 +102,7 @@ static int bcm47xxpart_parse(struct mtd_
int trx_num = 0; /* Number of found TRX partitions */
int possible_nvram_sizes[] = { 0x8000, 0xF000, 0x10000, };
int err;
+ bool found_nvram = false;
/*
* Some really old flashes (like AT45DB*) had smaller erasesize-s, but
@@ -283,12 +284,23 @@ 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.