ramips: fix devicetree corruption with some boot loaders if the caches are not ready...

Signed-off-by: John Crispin <blogic@openwrt.org>
Backport of r46766

git-svn-id: svn://svn.openwrt.org/openwrt/branches/chaos_calmer@46767 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/ramips/patches-3.18/0065-fix_dts_cache_issues.patch b/target/linux/ramips/patches-3.18/0065-fix_dts_cache_issues.patch
new file mode 100644 (file)
index 0000000..42c04ae
--- /dev/null
+++ b/target/linux/ramips/patches-3.18/0065-fix_dts_cache_issues.patch
@@ -0,0 +1,18 @@
+--- a/arch/mips/kernel/setup.c
++++ b/arch/mips/kernel/setup.c
+@@ -675,7 +675,6 @@
+                               crashk_res.end - crashk_res.start + 1,
+                               BOOTMEM_DEFAULT);
+ #endif
+-      device_tree_init();
+       sparse_init();
+       plat_swiotlb_setup();
+       paging_init();
+@@ -784,6 +783,7 @@
+       prefill_possible_map();
+ 
+       cpu_cache_init();
++      device_tree_init();
+ }
+ 
+ unsigned long kernelsp[NR_CPUS];