misc: fastrpc: make sure memory read and writes are visible

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dma_alloc_coherent buffers could have writes queued in store buffers so
commit them before sending buffer to DSP using correct dma barriers.
Same with vice-versa.

Fixes: c68cfb718c ("misc: fastrpc: Add support for context Invoke method")
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Srinivas Kandagatla 2019-03-07 10:12:24 +00:00 • committed by Greg Kroah-Hartman

parent b49f6d83e2

commit 415a0729bd

1 changed files with 5 additions and 0 deletions

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drivers/misc/fastrpc.c

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