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| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2015-12-04 23:49:24 +0200 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-01-07 14:11:54 +0100 |
| commit | 02a21b79acdb48b312f1351fd7cc728e66e81149 (patch) | |
| tree | 3af9afe12232ea84f6fe7903854779c223243791 /tools/perf/scripts/python/stackcollapse.py | |
| parent | dmaengine: dw: platform: power on device on shutdown (diff) | |
| download | linux-dev-02a21b79acdb48b312f1351fd7cc728e66e81149.tar.xz linux-dev-02a21b79acdb48b312f1351fd7cc728e66e81149.zip | |
dmaengine: dw: return immediately from IRQ when DMA isn't in use
There is no need to bother the hardware when all channels are idle. We have not
to get any interrupts.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions