linux-kernel - Re: [PATCH 0/3] clk: support regmap

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Message-ID: <a5833012-3e86-5be0-71f2-de4d9b32a152@pengutronix.de>
Date:   Wed, 2 Jun 2021 10:21:54 +0200
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     Stephen Boyd <sboyd@...nel.org>,
        "Peng Fan (OSS)" <peng.fan@....nxp.com>, mturquette@...libre.com
Cc:     Peng Fan <peng.fan@....com>, linux-kernel@...r.kernel.org,
        kernel@...gutronix.de, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Jerome Brunet <jbrunet@...libre.com>
Subject: Re: [PATCH 0/3] clk: support regmap

On 6/2/21 10:18 AM, Stephen Boyd wrote:
> Quoting Peng Fan (OSS) (2021-05-28 04:34:00)
>> From: Peng Fan <peng.fan@....com>
>>
>> To i.MX8ULP, a PCC register provides clk(mux, gate, divider) and peripheral
>> reset functionality, so we need make sure the access to the PCC register
>> be protected to avoid concurrent access from clk and reset subsystem.
>>
>> So let's use regmap here.
>>
>> The i.MX specific code will be posted if this patchset is ok for you.
> 
> We have a couple regmap clk drivers in the tree. Either combine the
> different regmap clk drivers or duplicate it into the imx directory. I'd
> prefer we combine them but last time I couldn't agree on the approach
> when Jerome wanted to do it. Maybe now is the time to combine them all
> into one common piece of code.

IMHO for the basic drivers, such as gate, divider, mux, mux-div, etc... it makes
no sense to have them in an arch specific subdir, like meson.

regards,
Marc

-- 
Pengutronix e.K.                 | Marc Kleine-Budde           |
Embedded Linux                   | https://www.pengutronix.de  |
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