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| Started by | Vinod Koul <vinod.koul@intel.com> |
|---|---|
| First post | 2015-12-05 11:20 +0100 |
| Last post | 2015-12-05 11:20 +0100 |
| Articles | 1 — 1 participant |
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Re: [PATCH v4] dmaengine: fsl-edma: add PM suspend/resume support Vinod Koul <vinod.koul@intel.com> - 2015-12-05 11:20 +0100
| From | Vinod Koul <vinod.koul@intel.com> |
|---|---|
| Date | 2015-12-05 11:20 +0100 |
| Subject | Re: [PATCH v4] dmaengine: fsl-edma: add PM suspend/resume support |
| Message-ID | <qCi6B-8bX-1@gated-at.bofh.it> |
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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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