diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2015-01-13 10:16:23 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-01-17 14:31:29 -0800 |
| commit | 65fdfedbc06169bc49fbbdab205659237a06568c (patch) | |
| tree | 58c334b222c6d6fbdfce046ca1605abcf2224ada /tools/perf/scripts/python/check-perf-trace.py | |
| parent | d77bf9736b11671f803e830c5bead436a415d040 (diff) | |
staging: comedi: pcl816: introduce pcl816_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