From: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Date: Fri, 24 Jan 2014 08:43:54 +0000 (+0100)
Subject: spi: rspi: Add rspi_data_{out,in,out_in}() helpers
X-Git-Tag: v3.15-rc1~147^2~3^8~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=35301c996046243ca6e41d490dea2823f045614c;p=pandora-kernel.git

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>
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