From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Mon, 2 Jun 2014 13:38:07 +0000 (+0200)
Subject: spi: rspi: Extract rspi_pio_transfer()
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~29^2~1^4~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6837b8e91d2a080293c30d5fe42d9692390091fa;p=pandora-kernel.git

spi: rspi: Extract rspi_pio_transfer()

The various PIO loops are very similar. Consolidate into a single
function rspi_pio_transfer().

Both buffer pointers can be NULL, as RSPI supports TX-only mode, and
Dual/Quad SPI Transfers are unidirectional.

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

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