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-rw-r--r--target/linux/ramips/patches-3.9/0138-MIPS-ralink-workaround-DTB-memory-issue.patch29
1 files changed, 29 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.9/0138-MIPS-ralink-workaround-DTB-memory-issue.patch b/target/linux/ramips/patches-3.9/0138-MIPS-ralink-workaround-DTB-memory-issue.patch
new file mode 100644
index 0000000..dc113bd
--- /dev/null
+++ b/target/linux/ramips/patches-3.9/0138-MIPS-ralink-workaround-DTB-memory-issue.patch
@@ -0,0 +1,29 @@
+From bcffa7a81e00b8f67c459a2f5526edc0a5077794 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Thu, 23 May 2013 18:50:56 +0200
+Subject: [PATCH 138/164] MIPS: ralink: workaround DTB memory issue
+
+If the DTB is too big a bug happens on boot when init ram is freed.
+This is a temporary fix until the real cause is found.
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ arch/mips/ralink/of.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
+index b25c1f2..8efb02b 100644
+--- a/arch/mips/ralink/of.c
++++ b/arch/mips/ralink/of.c
+@@ -74,7 +74,7 @@ void __init device_tree_init(void)
+ unflatten_device_tree();
+
+ /* free the space reserved for the dt blob */
+- free_bootmem(base, size);
++ //free_bootmem(base, size);
+ }
+
+ void __init plat_mem_setup(void)
+--
+1.7.10.4
+