ARM_ATAG_DTB_COMPAT fails on fdt_ro.c compiling

[Nicolas Pitre]

On Tue, 9 Oct 2012, Shawn Guo wrote:

> I have seen this error on mainline for a couple days when
> ARM_ATAG_DTB_COMPAT is enabled.
> 
>   CC      arch/arm/boot/compressed/fdt_ro.o
> arch/arm/boot/compressed/fdt_ro.c: In function ‘fdt_path_offset’:
> arch/arm/boot/compressed/fdt_ro.c:172:3: error: implicit declaration of function ‘fdt_get_alias_namelen’ [-Werror=implicit-function-declaration]
> arch/arm/boot/compressed/fdt_ro.c:172:5: warning: assignment makes pointer from integer without a cast [enabled by default]
> arch/arm/boot/compressed/fdt_ro.c: At top level:
> arch/arm/boot/compressed/fdt_ro.c:340:13: error: conflicting types for ‘fdt_get_alias_namelen’
> arch/arm/boot/compressed/fdt_ro.c:172:7: note: previous implicit declaration of ‘fdt_get_alias_namelen’ was here
> cc1: some warnings being treated as errors

I just tried building mainline now.  It is at commit f5a246eab9.

  [...]
  CC      arch/arm/boot/compressed/misc.o
  CC      arch/arm/boot/compressed/decompress.o
  CC      arch/arm/boot/compressed/string.o
  SHIPPED arch/arm/boot/compressed/fdt_rw.c
  SHIPPED arch/arm/boot/compressed/fdt.h
  SHIPPED arch/arm/boot/compressed/libfdt.h
  SHIPPED arch/arm/boot/compressed/libfdt_internal.h
  CC      arch/arm/boot/compressed/fdt_rw.o
  SHIPPED arch/arm/boot/compressed/fdt_ro.c
  CC      arch/arm/boot/compressed/fdt_ro.o
  SHIPPED arch/arm/boot/compressed/fdt_wip.c
  CC      arch/arm/boot/compressed/fdt_wip.o
  SHIPPED arch/arm/boot/compressed/fdt.c
  CC      arch/arm/boot/compressed/fdt.o
  CC      arch/arm/boot/compressed/atags_to_fdt.o
  SHIPPED arch/arm/boot/compressed/lib1funcs.S
  AS      arch/arm/boot/compressed/lib1funcs.o
  SHIPPED arch/arm/boot/compressed/ashldi3.S
  AS      arch/arm/boot/compressed/ashldi3.o
  LD      arch/arm/boot/compressed/vmlinux
  OBJCOPY arch/arm/boot/zImage
  Kernel: arch/arm/boot/zImage is ready

What config do you use?


Nicolas