Messages in this thread | | | Date | Wed, 19 Aug 2015 22:18:16 +0530 | From | Vinod Koul <> | Subject | Re: [PATCH 2/6] dmaengine: mxs: support i.MX7D and deep sleep mode |
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On Tue, Jul 28, 2015 at 12:49:13PM -0500, Han Xu wrote: > From: Huang Shijie <b32955@freescale.com> > > The patch support i.MX7D platform by adding extra DMA clock. > > Deep Sleep Mode(dsm) turns off the power for APBH DMA module, add > suspend/resume function and re-init the APBH DMA during resume.
I have only 2/6, whats going on?
> +static int mxs_dma_pm_suspend(struct device *dev) > +{ > + /* > + * We do not save any registers here, since the gpmi will release its > + * DMA channel. > + */ > + return 0; > +} Why do we need the empty fn?
-- ~Vinod
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