[PATCH] arm/imx: use Kconfig choice for low-level debug UART selection

[Will Deacon]

Hi Uwe,

On Tue, Nov 22, 2011 at 08:58:34AM +0000, Uwe Kleine-König wrote:
> On Fri, Aug 19, 2011 at 12:56:59PM +0800, Shawn Guo wrote:
> > Now that the DEBUG_LL UART can be selected by a Kconfig choice,
> > simplify the #ifdefery in debug-macro.S and add entries to the
> > top-level Kconfig.debug instead.
> now that this patch is in Linus' tree as
> f350b86121c7a004a5f866333fa1d23fe30263a6, this breaks the build when
> selecting DEBUG_LL_UART_NONE (as our autobuilder did somehow). Maybe
> that is OK because DEBUG_LL is an expert option? If not, either the
> autoselection has to return or DEBUG_LL_UART_NONE shouldn't be
> selectable for imx.

In the end I'd like to remove DEBUG_LL_UART_NONE. It's only there to service
the platforms which have not yet added an entry to the choice.

Will