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| author | Qipan Li <Qipan.Li@csr.com> | 2014-04-14 14:30:01 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-04-14 21:04:59 +0100 |
| commit | bf83fd6402a856eeb9a22c364c50ccf9bbdf9b17 (patch) | |
| tree | 905fe272f9d08fff5e4483294b8e96c6b26e59e6 /drivers/spi/spi-mpc52xx.c | |
| parent | d77ec5df47696300b9498e6973dcc34b40de8d27 (diff) | |
| download | talos-obmc-linux-bf83fd6402a856eeb9a22c364c50ccf9bbdf9b17.tar.gz talos-obmc-linux-bf83fd6402a856eeb9a22c364c50ccf9bbdf9b17.zip | |
spi: sirf: fix spi full-duplex DMA transferring issue
sometimes t->tx can be equal with t->rx. for example, spidev will make
tx and rx point to spidev->buffer at the same time. currently, for this
case, we map the buffer BIDIRECTION to fix the cache consistency.
Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'drivers/spi/spi-mpc52xx.c')
0 files changed, 0 insertions, 0 deletions
