From: Axel Lin <axel.lin@ingics.com>
Date: Sat, 18 Jan 2014 14:05:22 +0000 (+0800)
Subject: spi: core: Fix transfer failure when master->transfer_one returns positive value
X-Git-Tag: v3.14-rc1~91^2~7^2
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=13a4279880229240af38486611c94587492b24d3;p=pandora-kernel.git

spi: core: Fix transfer failure when master->transfer_one returns positive value

master->transfer_one returns positive value is not a error.
So set ret to 0 when master->transfer_one returns positive value.
Otherwise, I hit "spi_master spi0: failed to transfer one message from queue"
error when my transfer_one callback returns 1.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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