linux-kernel - Re: [PATCH] riscv: dts: sophgo: add initial Milk-V Duo S board device tree

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Message-ID: <20240409-prevent-deepness-2d22bf009b16@spud>
Date: Tue, 9 Apr 2024 13:13:32 +0100
From: Conor Dooley <conor@...nel.org>
To: Inochi Amaoto <inochiama@...look.com>
Cc: michael.opdenacker@...tlin.com, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Chen Wang <unicorn_wang@...look.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>, devicetree@...r.kernel.org,
	linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] riscv: dts: sophgo: add initial Milk-V Duo S board
 device tree

On Tue, Apr 09, 2024 at 03:17:35PM +0800, Inochi Amaoto wrote:
> On Tue, Apr 09, 2024 at 08:45:04AM +0200, michael.opdenacker@...tlin.com wrote:
> > From: Michael Opdenacker <michael.opdenacker@...tlin.com>
> > 
> > This adds initial support for the Milk-V Duo S board
> > (https://milkv.io/duo-s), enabling the serial port and
> > read-only SD card support, allowing to boot Linux to the
> > command line.
> > 
> 
> Hi Michael,
> 
> I think your patch losts the board binding and have wrong compatiable. 
> Also, the SD can have rw support with proper property. See link [1] 
> (need 'disable-wp').

[1] doesn't go anywhere useful.

> I suggest you resubmitting this patch after applying clk patchs. 
> This could reduce some unnecessary change. For now, you can just 
> use the dts for huashan-pi (with changed memory size).

Why would using patched huashan-pi dts be more suitable than carrying
a local patch for duo-s devicetree? What am I missing?

Cheers,
Conor.

> 
> [1]: https://lore.kernel.org/linux-riscv/IA1PR20MB4953B158F6F575840F3D4267BB7D2@IA1PR20MB4953.namprd20.prod.outlook.com/

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