ramips: add support for Buffalo WCR-1166DS

[openwrt/openwrt.git] / target / linux / ramips / patches-4.4 / 0400-mtd-mtdsplit-add-support-for-custom-trx-magic-for-Buffalo-WCR-1166DS.patch

diff --git a/target/linux/ramips/patches-4.4/0400-mtd-mtdsplit-add-support-for-custom-trx-magic-for-Buffalo-WCR-1166DS.patch b/target/linux/ramips/patches-4.4/0400-mtd-mtdsplit-add-support-for-custom-trx-magic-for-Buffalo-WCR-1166DS.patch
new file mode 100644 (file)
index 0000000..1af72f9
--- /dev/null
+++ b/target/linux/ramips/patches-4.4/0400-mtd-mtdsplit-add-support-for-custom-trx-magic-for-Buffalo-WCR-1166DS.patch
@@ -0,0 +1,30 @@
+--- a/drivers/mtd/mtdsplit/mtdsplit_trx.c
++++ b/drivers/mtd/mtdsplit/mtdsplit_trx.c
+@@ -13,6 +13,7 @@
+ #include <linux/module.h>
+ #include <linux/init.h>
+ #include <linux/kernel.h>
++#include <linux/of.h>
+ #include <linux/slab.h>
+ #include <linux/mtd/mtd.h>
+ #include <linux/mtd/partitions.h>
+@@ -20,7 +21,8 @@
+ 
+ #include "mtdsplit.h"
+ 
+-#define TRX_MAGIC   0x30524448  /* "HDR0" */
++#define TRX_MAGIC             0x30524448  /* "HDR0" */
++#define TRX_MAGIC_BUFFALO     0x746f435c
+ 
+ struct trx_header {
+       __le32 magic;
+@@ -82,7 +84,8 @@ mtdsplit_parse_trx(struct mtd_info *mast
+               if (ret)
+                       continue;
+ 
+-              if (hdr.magic != cpu_to_le32(TRX_MAGIC)) {
++              if (hdr.magic != cpu_to_le32(TRX_MAGIC) &&
++                  !(of_machine_is_compatible("buffalo,wcr-1166ds") && hdr.magic == cpu_to_le32(TRX_MAGIC_BUFFALO))) {
+                       pr_debug("no valid trx header found in \"%s\" at offset %llx\n",
+                                master->name, (unsigned long long) offset);
+                       continue;