linux-kernel - Re: [PATCH v5 0/2] Add notifier for PLL0 clock and set it 1.5GHz on

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Date: Wed, 15 May 2024 17:30:03 +0100
From: Conor Dooley <conor@...nel.org>
To: Xingyu Wu <xingyu.wu@...rfivetech.com>
Cc: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Emil Renner Berthing <emil.renner.berthing@...onical.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Hal Feng <hal.feng@...rfivetech.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
	"linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH v5 0/2] Add notifier for PLL0 clock and set it 1.5GHz on

On Wed, May 15, 2024 at 02:23:47AM +0000, Xingyu Wu wrote:
> On 15/05/2024 02:08, Conor Dooley wrote:

> > There's a push in U-Boot to move devicestrees to use "OF_UPSTREAM", which
> > means importing devicetrees directly from Linux and using them in U-Boot. I
> > don't really want to merge a patch that would present U-Boot with a problem if
> > the VisionFive 2 moved to that model there.

> Would it be better  if I  change the rates of PLL0 and CPU core in the driver not dts,
> and avoid the dts of Linux and U-Boot being different?

I'd definitely prefer if we don't include stuff in the kernel tree that
would cause problems for U-Boot if imported there, yeah.


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