| commit | 02a21b79acdb48b312f1351fd7cc728e66e81149 | [log] [tgz] |
|---|---|---|
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | Fri Dec 04 23:49:24 2015 +0200 |
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | Thu Jan 07 14:11:54 2016 +0100 |
| tree | 3af9afe12232ea84f6fe7903854779c223243791 | |
| parent | 3214658855c01a0dd62f02feb2ce79846524c6a0 [diff] |
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>