From 990423f3efad559289c3a084f2cb40a0c0f2834e Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Wed, 12 Jun 2013 14:47:53 +0000
Subject: brcm47xx: add initial support for kernel 3.9
SVN-Revision: 36926
---
.../027-mtd-bcm47xxpart-get-nvram.patch | 34 ++++++++++++++++++++++
1 file changed, 34 insertions(+)
create mode 100644 target/linux/brcm47xx/patches-3.9/027-mtd-bcm47xxpart-get-nvram.patch
(limited to 'target/linux/brcm47xx/patches-3.9/027-mtd-bcm47xxpart-get-nvram.patch')
diff --git a/target/linux/brcm47xx/patches-3.9/027-mtd-bcm47xxpart-get-nvram.patch b/target/linux/brcm47xx/patches-3.9/027-mtd-bcm47xxpart-get-nvram.patch
new file mode 100644
index 0000000..4cd78c2
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.9/027-mtd-bcm47xxpart-get-nvram.patch
@@ -0,0 +1,34 @@
+--- a/drivers/mtd/bcm47xxpart.c
++++ b/drivers/mtd/bcm47xxpart.c
+@@ -65,6 +65,7 @@ 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;
+
+ if (blocksize <= 0x10000)
+ blocksize = 0x10000;
+@@ -190,12 +191,23 @@ 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.
--
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