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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>,
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"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@...r.kernel.org>,
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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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