diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2016-04-08 12:41:53 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-04-28 22:16:10 -0700 |
| commit | 983330210fe138e1194e0b2ccca02400ae41c0be (patch) | |
| tree | bc35d98759ab6c1c6e18e9c7e9e103ff9c478407 /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | fb90ec01bc8364a6ae7b8436c759f7541ebfd37f (diff) | |
| download | kernel-983330210fe138e1194e0b2ccca02400ae41c0be.tar.gz | |
staging: comedi: das1800: document the spinlock
The comedi_device spinlock is used to protect the indirect addressing
selected by the DAS1800_SELECT register. It also prevents races between
the interrupt handler and the analog input (*poll).
Update the comments to make this clear.
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/event_analyzing_sample.py')
0 files changed, 0 insertions, 0 deletions