On Thu, Aug 25, 2011 at 12:57:36PM +0200, Wolfram Sang wrote:

If you want to move the DEBUG_LL uart, simply changing the base address
in debug-macro.S will not be enough. One needs to enable the correct
clock during clock init, too, otherwise the kernel remains silent. This
is too easy to forget, so enable all uart clocks for DEBUG_LL to save
precious developer time.

I guess the patch is not welcomed from the power management POV.
Shouldn't bootloader have enabled the clock for debug uart anyway?

-- 
Regards,
Shawn