netdev - Re: [PATCH 09/11] ice: implement dpll interface to control cgu

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Message-ID: <20230725154958.46b44456@kernel.org>
Date: Tue, 25 Jul 2023 15:49:58 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Jiri Pirko <jiri@...nulli.us>
Cc: "Kubalewski, Arkadiusz" <arkadiusz.kubalewski@...el.com>, Vadim
 Fedorenko <vadim.fedorenko@...ux.dev>, Jonathan Lemon
 <jonathan.lemon@...il.com>, Paolo Abeni <pabeni@...hat.com>, "Olech,
 Milena" <milena.olech@...el.com>, "Michalik, Michal"
 <michal.michalik@...el.com>, "linux-arm-kernel@...ts.infradead.org"
 <linux-arm-kernel@...ts.infradead.org>, poros <poros@...hat.com>, mschmidt
 <mschmidt@...hat.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
 "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>, Bart Van Assche
 <bvanassche@....org>
Subject: Re: [PATCH 09/11] ice: implement dpll interface to control cgu

On Fri, 21 Jul 2023 14:02:08 +0200 Jiri Pirko wrote:
> So it is not a mode! Mode is either "automatic" or "manual". Then we
> have a state to indicate the state of the state machine (unlocked, locked,
> holdover, holdover-acq). So what you seek is a way for the user to
> expliticly set the state to "unlocked" and reset of the state machine.

+1 for mixing the state machine and config.
Maybe a compromise would be to rename the config mode?
Detached? Standalone?

> Please don't mix config and state. I think we untangled this in the past
> :/
> 
> Perhaps you just need an extra cmd like DPLL_CMD_DEVICE_STATE_RESET cmd
> to hit this button.