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Message-ID: <CAMuHMdXjXGBi8S+bTG105q63zZw2ScQb9nXBSp2baiLNWKQAkg@mail.gmail.com>
Date:   Tue, 28 Jun 2022 09:08:32 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Conor Dooley <Conor.Dooley@...rochip.com>
Cc:     Rob Herring <robh@...nel.org>, Conor Dooley <mail@...chuod.ie>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>,
        Vinod <vkoul@...nel.org>, Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Serge Semin <fancer.lancer@...il.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Palmer Dabbelt <palmer@...osinc.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Damien Le Moal <damien.lemoal@...nsource.wdc.com>,
        Niklas Cassel <niklas.cassel@....com>,
        Dillon Min <dillon.minfei@...il.com>,
        Heng Sia <jee.heng.sia@...el.com>,
        Jose Abreu <joabreu@...opsys.com>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        dmaengine <dmaengine@...r.kernel.org>,
        ALSA Development Mailing List <alsa-devel@...a-project.org>,
        linux-spi <linux-spi@...r.kernel.org>,
        linux-riscv <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH 04/14] dt-bindings: dma: add Canaan k210 to Synopsys
 DesignWare DMA

Hi Conor,

On Tue, Jun 28, 2022 at 8:30 AM <Conor.Dooley@...rochip.com> wrote:
> On 28/06/2022 00:29, Rob Herring wrote:
> > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> >
> > On Sat, Jun 18, 2022 at 01:30:26PM +0100, Conor Dooley wrote:
> >> From: Conor Dooley <conor.dooley@...rochip.com>
> >>
> >> The Canaan k210 apparently has a Sysnopsys Designware AXI DMA
> >> controller, but according to the documentation & devicetree it has 6
> >> interrupts rather than the standard one. Add a custom compatible that
> >> supports the 6 interrupt configuration which falls back to the standard
> >> binding which is currently the one in use in the devicetree entry.
> >
> > But it works with only 1 interrupt?
>
> Seemingly...

The Linux driver uses the only first interrupt.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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