[PATCH 1/6] ARM: move ARCH config definitions into mach dirs

[linux@arm.linux.org.uk (Russell King - ARM Linux)]

On Fri, Aug 31, 2012 at 01:05:12PM +0200, Domenico Andreoli wrote:
> On Thu, Aug 30, 2012 at 08:28:31PM +0100, Russell King - ARM Linux wrote:
> > 
> > I think what we need is arch/arm/include/debug, move the platform specific
> > debug-macros headers into there, named using platform specific file names.
> > Then we have the config system define a string-based config:
> > 
> > config DEBUG_LL_INCLUDE
> > 	string
> > 	default "<debug/icedcc.S>" if DEBUG_ICEDCC
> > 	default "<debug/msm.S>" if DEBUG_MSM_UART1 || DEBUG_MSM_UART2 || DEBUG_MSM_UART3
> > ... etc ...
> > 	default "mach/debug-macros.S"
> > 
> > And then we can have the various assembly codes do:
> > 
> > #include CONFIG_DEBUG_LL_INCLUDE
> > 
> > Not only does this give a migration path, but it also gives folk a reason
> > to move to the 'new way' if they want to be part of a multi-platform
> > kernel - and it's a trivial thing to do.  Just move the include file,
> > add an entry to the DEBUG_LL_INCLUDE entry and the "Kernel low-level
> > debugging port" choice statement, and job done for both non-multi-platform
> > and multi-platform kernels.
> > 
> > What's even nicer about this approach is it doesn't require everyone to
> > change simultaneously - it can be done progressively as required.
> 
> This means that:

I'm not about to re-open the debate again.  Please go back and read the
previous discussions during the last year about this where eventually
agreement on this way forward was reached.  Thanks.