[PATCH v2 9/9] powerpc/powernv: opal-kmsg standardise OPAL_BUSY handling

[Russell Currey]

On Mon, 2018-04-09 at 15:24 +1000, Nicholas Piggin wrote:
> OPAL_CONSOLE_FLUSH is documented as being able to return OPAL_BUSY,
> so implement the standard OPAL_BUSY handling for it.
> 
> Cc: Russell Currey <ruscur at russell.cc>
> Signed-off-by: Nicholas Piggin <npiggin at gmail.com>

Reviewed-by: Russell Currey <ruscur at russell.cc>