linux-kernel - Re: [PATCH NOT APPLY v2 4/4] clk: scmi: Support spread spectrum

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Message-ID: <20250310081635.GA16799@nxa18884-linux>
Date: Mon, 10 Mar 2025 16:16:35 +0800
From: Peng Fan <peng.fan@....nxp.com>
To: Cristian Marussi <cristian.marussi@....com>
Cc: Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Russell King <linux@...linux.org.uk>,
	Sudeep Holla <sudeep.holla@....com>,
	Abel Vesa <abelvesa@...nel.org>, linux-clk@...r.kernel.org,
	linux-kernel@...r.kernel.org, arm-scmi@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Dario Binacchi <dario.binacchi@...rulasolutions.com>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>, imx@...ts.linux.dev,
	Peng Fan <peng.fan@....com>
Subject: Re: [PATCH NOT APPLY v2 4/4] clk: scmi: Support spread spectrum

On Wed, Mar 05, 2025 at 05:29:54PM +0000, Cristian Marussi wrote:
>On Mon, Mar 03, 2025 at 12:11:25PM +0800, Peng Fan wrote:
>> Hi Cristian,
>> 
>> On Thu, Feb 06, 2025 at 12:26:32PM +0000, Cristian Marussi wrote:
>> >On Wed, Feb 05, 2025 at 05:49:54PM +0800, Peng Fan (OSS) wrote:
>> >> From: Peng Fan <peng.fan@....com>
>> >> 
>> >> Support Spread Spectrum with adding scmi_clk_set_spread_spectrum
>> >> 
>> >
>> >Hi,
>> >
>> >I forwarded ATG with our latest exchange on the possibility of using a
>> >standard OEM type instead of Vendor one if it is general enough....
>> 
>> Do you have any update?
>> 
>
>Yes I think you can go on with your original plan of using vendor OEM
>types: as of now we are not gonna standardize a new commmon SCMI type
>for Clock-SS, given there is really just one SCMI user of such clock
>features...maybe in the future if more users shows up...

Thanks for updating me. Back to how to add extensions in clk-scmi.c,
do you have any suggestions? I am thinking to provide vendor/sub-vendor
for clk-scmi.c and use vendor "NXP" sub-vedor "IMX" for spread spectrum.

Thanks,
Peng


>
>Thanks,
>Cristian