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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2011-08-22 20:45:39 +0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-08-22 20:59:20 +0400
commitc0409feb86893f5ccf73964c7b2b47ca64bdb014 (patch)
treecb889f2e239a6261e8b657979b932b32bae579da /drivers/spi/spi_fsl_lib.c
parent6337de2204be3b7b40825a1d30de30e514e8947b (diff)
downloadlinux-c0409feb86893f5ccf73964c7b2b47ca64bdb014.tar.xz
Input: ad714x - use DMA-safe buffers for spi_write()
spi_write() requires use of DMA-safe (cacheline aligned) buffers. Also use the same buffers when reading data since to avoid extra locking and potential memory allocation in spi_write_then_read(). Acked-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/spi/spi_fsl_lib.c')
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