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authorRafał Miłecki <zajec5@gmail.com>2015-12-18 07:25:13 +0000
committerRafał Miłecki <zajec5@gmail.com>2015-12-18 07:25:13 +0000
commit7caa9411e750279839ac0d253ecac778619412b5 (patch)
tree93ba95e6f438eb7f0b0b3a2d01cd0d3f387d24d6 /target/linux/brcm47xx/patches-4.4/400-mtd-bcm47xxpart-get-nvram.patch
parent4afe0fc2b2ce174f4e9e227e80064c1be77230ca (diff)
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brcm47xx: add kernel 4.4 support
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> SVN-Revision: 47930
Diffstat (limited to 'target/linux/brcm47xx/patches-4.4/400-mtd-bcm47xxpart-get-nvram.patch')
-rw-r--r--target/linux/brcm47xx/patches-4.4/400-mtd-bcm47xxpart-get-nvram.patch34
1 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-4.4/400-mtd-bcm47xxpart-get-nvram.patch b/target/linux/brcm47xx/patches-4.4/400-mtd-bcm47xxpart-get-nvram.patch
new file mode 100644
index 0000000..de109e3
--- /dev/null
+++ b/target/linux/brcm47xx/patches-4.4/400-mtd-bcm47xxpart-get-nvram.patch
@@ -0,0 +1,34 @@
+--- 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.