linux-kernel - Re: [PATCH 6/8] riscv: dts: spacemit: Enable PDMA0 controller on Banana Pi F3

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Message-ID: <CAH1PCMbNEMvpU=eNvrHj3pcLEMn=ObCOZZHVM4tjZbL9-BiraQ@mail.gmail.com>
Date: Thu, 12 Jun 2025 16:00:57 +0800
From: Guodong Xu <guodong@...cstar.com>
To: Yixun Lan <dlan@...too.org>
Cc: vkoul@...nel.org, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, 
	paul.walmsley@...ive.com, palmer@...belt.com, aou@...s.berkeley.edu, 
	alex@...ti.fr, p.zabel@...gutronix.de, drew@...7.com, 
	emil.renner.berthing@...onical.com, inochiama@...il.com, 
	geert+renesas@...der.be, tglx@...utronix.de, hal.feng@...rfivetech.com, 
	joel@....id.au, duje.mihanovic@...le.hr, elder@...cstar.com, 
	dmaengine@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org, 
	spacemit@...ts.linux.dev
Subject: Re: [PATCH 6/8] riscv: dts: spacemit: Enable PDMA0 controller on
 Banana Pi F3

On Wed, Jun 11, 2025 at 11:02 PM Yixun Lan <dlan@...too.org> wrote:
>
> Hi Guodong,
>
> On 22:32 Wed 11 Jun     , Guodong Xu wrote:
> > On Wed, Jun 11, 2025 at 9:58 PM Yixun Lan <dlan@...too.org> wrote:
> > >
> > > Hi Guodong,
> > >
> > > On 20:57 Wed 11 Jun     , Guodong Xu wrote:
> > > > Enable the Peripheral DMA controller (PDMA0) on the SpacemiT K1-based
> > > > Banana Pi F3 board by setting its status to "okay". This board-specific
> > > > configuration activates the PDMA controller defined in the SoC's base
> > > > device tree.
> > > >
> > >   Although this series is actively developed under Bananapi-f3 board
> > > but it should work fine with jupiter board, so I'd suggest to enable
> > > it too, thanks
> > >
> >
> > I'd be glad to include the Jupiter board as well. Since I don't have Jupiter
> > hardware for testing, could someone with access verify it works before I
> > add it to the series?
> >
> Do you have any suggestion how to test? like if any test cases there?
>

I am using the dmatest (CONFIG_DMATEST) for memory-to-memory
and using spi3 to test device-to-memory / memory-to-device.

> I would assume it work fine on jupiter since it's a SoC level feature?
> instead of board specific..
>

Yeah, that's a SoC level device. I would say a boot test and some
basic mem-to-mem test should be enough.

-Guodong

> --
> Yixun Lan (dlan)