On Fri, Aug 15, 2014 at 12:54:53AM +0800, Chen Gang wrote:

> Normal architectures:
> 
>  - Big endian: avr32, frv, m68k, openrisc, parisc, s390, sparc
> 
>  - Little endian: alpha, blackfin, cris, hexagon, ia64, metag, mn10300,
>                   score, unicore32, x86
> 
>  - Choose in config time: arc, arm, arm64, c6x, m32r, mips, powerpc, sh

Nak for MIPS.  On MIPS Kconfig already always sets one of CPU_BIG_ENDIAN
and CPU_LITTLE_ENDIAN depending on platforms and where both endianess are
supported by a platform, user choice:

config FOO
        bool "foo"
        select SYS_SUPPORTS_LITTLE_ENDIAN

config FOO
        bool "foo"
        select SYS_SUPPORTS_BIG_ENDIAN
        select SYS_SUPPORTS_LITTLE_ENDIAN
[...]
choice
        prompt "Endianess selection"
        help
          Some MIPS machines can be configured for either little or big endian
          byte order. These modes require different kernels and a different
          Linux distribution.  In general there is one preferred byteorder for a
          particular system but some systems are just as commonly used in the
          one or the other endianness.

config CPU_BIG_ENDIAN
        bool "Big endian"
        depends on SYS_SUPPORTS_BIG_ENDIAN

config CPU_LITTLE_ENDIAN
        bool "Little endian"
        depends on SYS_SUPPORTS_LITTLE_ENDIAN
        help

endchoice

So I think you can just drop the MIPS segment from your patch.

  Ralf
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