mvsdio: fix handling of partial word at the end of PIO transfer
Standard data flow for MMC/SD/SDIO cards requires that the mvsdio controller be set for big endian operation. This is causing problems with buffers which length is not a multiple of 4 bytes as the last partial word doesn't get shifted all the way and stored properly in memory. Let's compensate for this. Signed-off-by: Nicolas Pitre <nico@marvell.com> CC: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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