Mark Cave-Ayland f38b161203 apb: handle reading/writing of IOMMU control registers
While the registers are documented as being 64-bit, Linux seems to access
them in two halves as 2 x 32-bit accesses. Make sure that we can correctly
handle this case.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2014-06-05 21:00:12 +01:00
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