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| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2015-01-13 10:16:25 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-17 14:31:29 -0800 |
| commit | 7877445b5c1bb10078ef72db65df1553f4cbd73e (patch) | |
| tree | 45f74a0cd2906413e7cb1aa10ee3d4f59af81260 /tools/perf/scripts/python/check-perf-trace.py | |
| parent | f609c29dfb7a5729bfab9384fad45fbf12653c67 (diff) | |
staging: comedi: dt282x: introduce dt282x_isadma_disable()
According to Documentation/DMA-ISA-LPC.txt, the DMA lock needs to be
claimed before using any of the ISA DMA routines. Introduce a helper
function to disable the ISA DMA controller and add the necessary
locking calls.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/check-perf-trace.py')
0 files changed, 0 insertions, 0 deletions