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| H A D | exynos_spi.c | c4a796329d00ce46de6b5afeb1fdabec82830677 Tue Oct 08 10:50:06 UTC 2013 Rajeshwari Shinde <rajeshwari.s@samsung.com> spi: exynos: Support word transfers
Since SPI register access is so expensive, it is worth transferring data
a word at a time if we can. This complicates the driver unfortunately.
Use the byte-swapping feature to avoid having to convert to/from big
endian in software.
This change increases speed from about 2MB/s to about 4.5MB/s.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Rajeshwari S Shinde <rajeshwari.s@samsung.com>
Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
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