dbdma: fix load_word/store_word value endianness
The values to read/write to/from physical memory are copied directly to the physical address with no endian swapping required. Also add some extra information to debugging output while we are here. Signed-off-by: NMark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Acked-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au>
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