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Message-ID: <CALAqxLUkLExkYUY+JARcp6znngFiRnXO8dYF9qWEZNmBPtdDpw@mail.gmail.com>
Date: Fri, 4 Jan 2019 20:28:48 -0800
From: John Stultz <john.stultz@...aro.org>
To: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Cc: lkml <linux-kernel@...r.kernel.org>,
Tanglei Han <hantanglei@...wei.com>,
Zhuangluan Su <suzhuangluan@...ilicon.com>,
Dan Williams <dan.j.williams@...el.com>,
Vinod Koul <vkoul@...nel.org>, Wei Xu <xuwei5@...ilicon.com>,
Mark Rutland <mark.rutland@....com>,
Rob Herring <robh+dt@...nel.org>,
Guodong Xu <guodong.xu@...aro.org>,
Ryan Grachek <ryan@...ted.us>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>, dmaengine@...r.kernel.org,
linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 0/8 v2] k3dma patches to add support for hi3660/HiKey960
On Fri, Jan 4, 2019 at 7:37 PM Manivannan Sadhasivam
<manivannan.sadhasivam@...aro.org> wrote:
>
> Hi John,
>
> On Fri, Jan 04, 2019 at 12:56:20PM -0800, John Stultz wrote:
> > This patch series is based on recent work by Tanglei Han, and
> > adds support for hi3660 SoCs as found on the HiKey960 board,
>
> Not sure about the description/subject here! This patchset adds support
> for ASP DMAC found in HI3660 SoCs, Peripheral DMAC is already supported.
>
So yes, it does enable ASP DMAC support, but the full set also enables
the Peripheral DMAC as well in a few ways:
* Avoiding setting the AXI register, which is configured differently on hi3660.
* By adding support for the dma-avail-chan (so we don't try to use
reserved channels)
thanks
-john
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