Re: [PATCH 0/3] riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter

From: Aurelien Jarno <aurelien@aurel32.net>
To: Yixun Lan <dlan@kernel.org>
Cc: linux-kernel@vger.kernel.org, Paul Walmsley <pjw@kernel.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	Alexandre Ghiti <alex@ghiti.fr>,
	"open list:RISC-V ARCHITECTURE:Keyword:riscv"
	<linux-riscv@lists.infradead.org>,
	"open list:RISC-V SPACEMIT SoC Support:Keyword:spacemit"
	<spacemit@lists.linux.dev>
Subject: Re: [PATCH 0/3] riscv: dts: spacemit: Add cpu scaling for Milk-V Jupiter
Date: Wed, 29 Jul 2026 17:16:13 +0200	[thread overview]
Message-ID: <amoZPV-wdchZuCq_@aurel32.net> (raw)
In-Reply-To: <20260729094301-GKG76518@kernel.org>

Hi Yixun,

On 2026-07-29 09:43, Yixun Lan wrote:
> Hi Aurelien,
> 
> On 11:34 Wed 29 Jul     , Aurelien Jarno wrote:
> > Hi Yixun,
> > 
> > On 2026-07-29 01:32, Yixun Lan wrote:
> > > Hi Aurelien,
> > > 
> > > On 23:05 Tue 28 Jul     , Aurelien Jarno wrote:
> > > > This series adds cpu scaling support for the Milk-V Jupiter boards.
> > > > 
> > > > The first commit adds it to the existing "Milk-V Jupiter (K1)" board.
> > > > 
> > > > The two following commits add a "Milk-V Jupiter (M1)" board, by moving
> > > > the common part, i.e. everything but the model name and the operating
> > > > point tables, in a shared DTSI file. This file is then included for both
> > > > K1 and M1 variants.
> > > > 
> > > > CPU frequency scaling was verified up to 1.8 GHz on the M1 board.
> > > > 
> > > Looks good to me, will queue for v7.3, thanks
> > > 
> > > Reviewed-by: Yixun Lan <dlan@kernel.org>
> > 
> > Thanks for the review. Unfortunately Sashiko pointed out issues in those 
> > patch series, including preexisting high severity issue that also affect 
> > the BPI-F3. I'll reply to the individual patches.
> > 
> No problem, I can wait for your v2 series, but may postpone to next merge
> window due to time constraints..

Yes, that's understandable. I have just posted a series posting the fix 
for all K1 boards [1]. Once it is applied the patch 1 ("riscv: dts: 
spacemit: Add cpu scaling for Milk-V Jupiter") can be applied.

Other patches definitely need a v2, I'll work on it, but it may take a 
bit more time.

Regards
Aurelien

[1] https://lore.kernel.org/spacemit/20260729150722.1598630-1-aurelien@aurel32.net/T/#t

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
aurelien@aurel32.net                     http://aurel32.net

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