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[Saleem Abdulrasool]

Hi.

The attached patch adds polled io methods for the mxcuart.  I needed them in
order to use kgdb during the early boot.  The changes have been sitting in (my
and) Genesi's tree for quite some time now.  I believe that the changes are
generally useful and would like you to consider merging them in the "upstream"
repository.

Thanks.

-- 
Saleem Abdulrasool
compnerd (at) compnerd (dot) org