linux-kernel - Re: [PATCH v2 04/15] mux: add mux_chip

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Date: Fri, 26 Jan 2024 23:28:35 +0200
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Thomas Richard <thomas.richard@...tlin.com>
Cc: Linus Walleij <linus.walleij@...aro.org>, Bartosz Golaszewski <brgl@...ev.pl>, 
	Andy Shevchenko <andy@...nel.org>, Tony Lindgren <tony@...mide.com>, 
	Haojian Zhuang <haojian.zhuang@...aro.org>, Vignesh R <vigneshr@...com>, 
	Aaro Koskinen <aaro.koskinen@....fi>, Janusz Krzysztofik <jmkrzyszt@...il.com>, 
	Andi Shyti <andi.shyti@...nel.org>, Peter Rosin <peda@...ntia.se>, Vinod Koul <vkoul@...nel.org>, 
	Kishon Vijay Abraham I <kishon@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>, 
	Tom Joseph <tjoseph@...ence.com>, Lorenzo Pieralisi <lpieralisi@...nel.org>, 
	Krzysztof Wilczyński <kw@...ux.com>, 
	Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, linux-gpio@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-omap@...r.kernel.org, linux-i2c@...r.kernel.org, 
	linux-phy@...ts.infradead.org, linux-pci@...r.kernel.org, 
	gregory.clement@...tlin.com, theo.lebrun@...tlin.com, 
	thomas.petazzoni@...tlin.com, u-kumar1@...com
Subject: Re: [PATCH v2 04/15] mux: add mux_chip_resume() function

On Fri, Jan 26, 2024 at 4:37 PM Thomas Richard
<thomas.richard@...tlin.com> wrote:
>
> The mux_chip_resume() function restores a mux_chip using the cached state
> of each mux.

..

> +int mux_chip_resume(struct mux_chip *mux_chip)
> +{
> +       int ret, i;
> +
> +       for (i = 0; i < mux_chip->controllers; ++i) {
> +               struct mux_control *mux = &mux_chip->mux[i];

> +               if (mux->cached_state != MUX_CACHE_UNKNOWN) {

  if (_state == ...)
    continue;

?

> +                       ret = mux_control_set(mux, mux->cached_state);
> +                       if (ret < 0) {
> +                               dev_err(&mux_chip->dev, "unable to restore state\n");
> +                               return ret;
> +                       }
> +               }
> +       }
> +       return 0;
> +}

-- 
With Best Regards,
Andy Shevchenko