linux-kernel - Re: [PATCH v2 0/5] dmaengine: add ACPI DMA helpers and use them in dw

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Message-ID: <2382527.O0vcbyEZOf@vostro.rjw.lan>
Date:	Mon, 22 Apr 2013 13:57:49 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Andy Shevchenko <andy.shevchenko@...il.com>
Cc:	Vinod Koul <vinod.koul@...el.com>,
	Andy Shevchenko <andriy.shevchenko@...ux.jf.intel.com>,
	"Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
	Mika Westerberg <mika.westerberg@...ux.jf.intel.com>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	spear-devel <spear-devel@...t.st.com>, linux-acpi@...r.kernel.org
Subject: Re: [PATCH v2 0/5] dmaengine: add ACPI DMA helpers and use them in dw_dmac

On Monday, April 22, 2013 01:07:39 PM Andy Shevchenko wrote:
> On Mon, Apr 22, 2013 at 8:56 AM, Vinod Koul <vinod.koul@...el.com> wrote:
> > On Tue, Apr 16, 2013 at 08:11:57PM +0200, Rafael J. Wysocki wrote:
> >> On Tuesday, April 16, 2013 03:14:47 PM Andy Shevchenko wrote:
> >> > On Mon, 2013-04-15 at 22:06 +0530, Vinod Koul wrote:
> >> > > On Tue, Apr 09, 2013 at 02:05:42PM +0300, Andy Shevchenko wrote:
> >> > > > There is a patch series which introduces ACPI DMA helpers in similar way like
> >> > > > we have for DeviceTree.
> >> > > >
> >> > > > In addition it applies this to the first user, namely dw_dmac driver.
> >> > > Applied w/o 3 & 5.2 they failed, can you pls rebase and resend
> >> > >
> >> >
> >> > Actually those two (at least 5/5) can't be applied on top of slave-dma.
> >> > The patches requires slave-dma and linux-pm together. I heard it's
> >> > usually achieved by creating a specific branch in one subsystem
> >> > (linux-pm in our case) for another.
> >> >
> >> > Rafael, what could we do here?
> >>
> >> I suppose Vinod can pull from my acpi-lpss (which is guaranteed not to be
> >> rebased at this point) and apply the series on top of that.
> > Or I can wait for rc1 and apply afterwards...?
> 
> Mika and I have no objections to go this way.

That'd be fine by me too.

Thanks,
Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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