[PATCH v4] dmaengine: fsl-edma: add PM suspend/resume support
From: Vinod Koul <hidden>
Date: 2015-12-05 10:19:37
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From: Vinod Koul <hidden>
Date: 2015-12-05 10:19:37
Also in:
lkml
On Fri, Oct 30, 2015 at 07:03:58PM +0800, Yuan Yao wrote:
This add power management suspend/resume support for the fsl-edma driver. eDMA acted as a basic function used by others. What it needs to do is the two steps below to support power management. In fsl_edma_suspend_late: Check whether the DMA chan is idle, if it is not idle disable DMA request. In fsl_edma_resume_early: Enable the eDMA and wait for being used.
Applied, thanks -- ~Vinod