Re: [PATCH v1] dmaengine: dw: balance PM runtime calls

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On Tue, Dec 30, 2014 at 08:04:51PM +0530, Shevchenko, Andriy wrote:
> On Mon, 2014-12-22 at 20:36 +0530, Vinod Koul wrote:
> > On Tue, Dec 16, 2014 at 11:40:01AM +0200, Andy Shevchenko wrote:
> > > In case of the PCI driver we will get a warning:
> > >  dw_dmac_pci 0000:00:18.0: Unbalanced pm_runtime_enable!
> > >  dw_dmac_pci 0000:00:18.0: DesignWare DMA Controller, 8 channels
> > > 
> > > This happens due to pm_runtime_enable() call from the driver when PM runtime is
> > > enabled by core.
> > > 
> > > This patch moves that call to the platform driver where it might make sense.
> > Hmmm, sorry but it is not clear to me how moving it from core to platform
> > helps solve the problem.
> 
> In case of PCI driver we already have runtime PM enabled, meanwhile it's
> not true for an ACPI case (since there is no _PS0 / _PS3 methods for the
> DMA device).
> 
> >  Also this make more sense in core as it can be
> > common acorss various devices
> 
> We can enable it if it was disabled.
okay, I see the point. But this patch fails to apply on rc1, can you please
rebase and resend

-- 
~Vinod

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