From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Sun, 27 Jan 2013 06:35:04 +0000 (+0800)
Subject: spi: Ensure memory used for spi_write_then_read() is DMA safe
X-Git-Tag: v3.9-rc1~148^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2cd94c8a1b4184b48ecbc16b353dcbb513053285;p=pandora-kernel.git

spi: Ensure memory used for spi_write_then_read() is DMA safe

Use GFP_DMA in order to ensure that the memory we allocate for transfers
in spi_write_then_read() can be DMAed. On most platforms this will have
no effect.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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