From: vinod.koul@intel.com (Vinod Koul)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4] dmaengine: fsl-edma: add PM suspend/resume support
Date: Sat, 5 Dec 2015 15:52:37 +0530 [thread overview]
Message-ID: <20151205102237.GZ1854@localhost> (raw)
In-Reply-To: <1446203038-5323-1-git-send-email-yao.yuan@freescale.com>
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
prev parent reply other threads:[~2015-12-05 10:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-30 11:03 [PATCH v4] dmaengine: fsl-edma: add PM suspend/resume support Yuan Yao
2015-11-25 9:59 ` Yao Yuan
2015-12-05 10:22 ` Vinod Koul [this message]
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