tree f93898fba0a5022602b8efec6a48619bfbda2fd6
parent c88dd349b5a83c9efa4030176a5184a9a1440475
author Mark Brown <broonie@opensource.wolfsonmicro.com> 1359268504 +0800
committer Grant Likely <grant.likely@secretlab.ca> 1360075453 +0000

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>