ar71xx: lzma-loader: move padding workaround to gzip step

[openwrt/staging/rmilecki.git] / target / linux / ar71xx / image / lzma-loader / Makefile

diff --git a/target/linux/ar71xx/image/lzma-loader/Makefile b/target/linux/ar71xx/image/lzma-loader/Makefile
index 9b81e87306f235d1e7284401828240b9b9787011..738093a958013624abb8f84a3874e1c795da349d 100644 (file)
--- a/target/linux/ar71xx/image/lzma-loader/Makefile
+++ b/target/linux/ar71xx/image/lzma-loader/Makefile
@@ -47,7 +47,11 @@ loader-compile: $(PKG_BUILD_DIR)/.prepared
                clean all
 
 loader.gz: $(PKG_BUILD_DIR)/loader.bin
-       gzip -nc9 $< > $(LOADER_GZ)
+       # Workaround for buggy bootloaders: Some devices
+       # (TP-Link TL-WR1043ND v1) don't work correctly when
+       # the uncompressed loader is too small (probably a cache
+       # invalidation issue)
+       dd if=$< bs=512K conv=sync | gzip -nc9 > $(LOADER_GZ)
 
 loader.elf: $(PKG_BUILD_DIR)/loader.elf
        $(CP) $< $(LOADER_ELF)