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

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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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Mark Brown 2013-01-27 14:35:04 +08:00 • committed by Grant Likely

parent c88dd349b5

commit 2cd94c8a1b

1 changed files with 2 additions and 1 deletions

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drivers/spi/spi.c

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