Geert Uytterhoeven 35301c9960 spi: rspi: Add rspi_data_{out,in,out_in}() helpers
Add helpers rspi_data_{out,in,out_in}() to write, read, or write and
read data to/from the Data Register, taking care of waiting until data
or space is available in the buffers.

Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-01-27 20:02:09 +00:00
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