From: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Date: Fri, 24 Jan 2014 08:43:56 +0000 (+0100)
Subject: spi: rspi: Merge rspi_send_pio() and rspi_receive_pio()
X-Git-Tag: v3.15-rc1~147^2~3^8~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8449fd76deb9ac67a15a6fb8ead7bb4595d019d2;p=pandora-kernel.git

spi: rspi: Merge rspi_send_pio() and rspi_receive_pio()

rspi_send_pio() and rspi_receive_pio() are very similar:
  - the former only sends data, using TX Only Mode,
  - the latter sends and receives full duplex data to/from the hardware,
    but uses dummy transmit data.
Merge them into rspi_transfer_out_in(), now supporting full duplex if
needed.

Signed-off-by: Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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