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author | Rafał Miłecki <zajec5@gmail.com> | 2015-04-23 11:31:54 +0000 |
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committer | Rafał Miłecki <zajec5@gmail.com> | 2015-04-23 11:31:54 +0000 |
commit | 8d1580c4bb85723fa4bb2a22f7628a192a1a06f0 (patch) | |
tree | 231adfee524a144fd22d6615570127e09cdbbd99 /target/linux/brcm47xx/patches-4.0/400-mtd-bcm47xxpart-get-nvram.patch | |
parent | 4d58f0f4d95c1c4c79cc256ed71c08f3105defb5 (diff) | |
download | master-31e0f0ae-8d1580c4bb85723fa4bb2a22f7628a192a1a06f0.tar.gz master-31e0f0ae-8d1580c4bb85723fa4bb2a22f7628a192a1a06f0.tar.bz2 master-31e0f0ae-8d1580c4bb85723fa4bb2a22f7628a192a1a06f0.zip |
brcm47xx: add patches for kernel 4.0
SVN-Revision: 45570
Diffstat (limited to 'target/linux/brcm47xx/patches-4.0/400-mtd-bcm47xxpart-get-nvram.patch')
-rw-r--r-- | target/linux/brcm47xx/patches-4.0/400-mtd-bcm47xxpart-get-nvram.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-4.0/400-mtd-bcm47xxpart-get-nvram.patch b/target/linux/brcm47xx/patches-4.0/400-mtd-bcm47xxpart-get-nvram.patch new file mode 100644 index 0000000000..df51191ad8 --- /dev/null +++ b/target/linux/brcm47xx/patches-4.0/400-mtd-bcm47xxpart-get-nvram.patch @@ -0,0 +1,34 @@ +--- a/drivers/mtd/bcm47xxpart.c ++++ b/drivers/mtd/bcm47xxpart.c +@@ -97,6 +97,7 @@ static int bcm47xxpart_parse(struct mtd_ + int trx_part = -1; + int last_trx_part = -1; + int possible_nvram_sizes[] = { 0x8000, 0xF000, 0x10000, }; ++ bool found_nvram = false; + + /* + * Some really old flashes (like AT45DB*) had smaller erasesize-s, but +@@ -300,12 +301,23 @@ 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. |