linux-kernel - Re: [PATCH] pinctrl: stm32: improve bank clocks management

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Message-ID: <CACRpkdbbUu+hKByGkVh2eR2MfMdgDuVYLFQ-VK+JyK_tRNsxZg@mail.gmail.com>
Date:   Sun, 1 May 2022 23:26:59 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Fabien Dessenne <fabien.dessenne@...s.st.com>
Cc:     Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        linux-gpio@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Marek Vasut <marex@...x.de>
Subject: Re: [PATCH] pinctrl: stm32: improve bank clocks management

On Fri, Apr 22, 2022 at 4:36 PM Fabien Dessenne
<fabien.dessenne@...s.st.com> wrote:

> Instead of enabling/disabling the clock at each IO configuration update,
> just keep the clock enabled from the probe.
> This makes things simpler and more efficient (e.g. the time required to
> toggle an output IO is drastically decreased) without significantly
> increasing the power consumption.
>
> Signed-off-by: Fabien Dessenne <fabien.dessenne@...s.st.com>

Patch applied after merging in v5.18-rc5 as a prerequisite.

Yours,
Linus Walleij