From: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Date: Wed, 28 Jan 2015 12:23:54 +0000 (+0100)
Subject: spi/xilinx: Use polling mode on small transfers
X-Git-Tag: fixes-v4.0-rc1~184^2^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=22417352f6b7f623495cc426680de75d725197df;p=pandora-kernel.git

spi/xilinx: Use polling mode on small transfers

Small transfers generally can be accomplished faster in polling mode.
This patch select the transfer which size is bellow the buffer size to
be done on polling mode

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