[RFC PATCH 1/4] ARM: Allow assembler.h to be used with inline asm

[Russell King - ARM Linux]

On Wed, Oct 09, 2013 at 03:29:50PM +0100, Dave Martin wrote:
> There are a few things in assembler.h that would be useful with
> inline asm, but currently assembler.h refuses to be included into C
> files.
> 
> In particular, the optional feature macros (PLD() and friends) can
> be used sensibly with inline asm, with a string argument.
> 
> This patch enables the relevant parts of aassembler.h to be
> included in C files and used in inline asm.
> 
> Since assembler.h by definition can't be included in any C file up
> to now, this should not introduce any namespace clashes.

I think it would be better to move the two macros (PLD and CALGN) out of
this file, rather than covering almost the entire file with this #ifdef.