]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 854a5b8) | patch
dmaengine: dw: return immediately from IRQ when DMA isn't in use
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Fri, 4 Dec 2015 21:49:24 +0000 (23:49 +0200)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Thu, 7 Jan 2016 13:11:54 +0000 (14:11 +0100)
commit1eea4ad7d2e50f179a97420011e895d933662f59
tree3af9afe12232ea84f6fe7903854779c223243791tree | snapshot
parent854a5b88a4c1f3458ca62898754ea30c898c7ca1commit | 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>
drivers/dma/dw/core.c diff | blob | history
Linux Kernel Source Tree.