From: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Date: Wed, 28 Jan 2015 12:23:48 +0000 (+0100)
Subject: spi/xilinx: Make spi_tx and spi_rx simmetric
X-Git-Tag: fixes-v4.0-rc1~184^2^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c30929415a3d7f186da888d322f93150af308287;p=pandora-kernel.git

spi/xilinx: Make spi_tx and spi_rx simmetric

spi_rx handles the case where the buffer is null. Nevertheless spi_tx
did not handle it, and was handled by the caller function.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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