linux-kernel - Re: [PATCH v4] Currently if the SoC needs pinctrl to switch the SCL and SDA from the I2C function to GPI

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Date:   Tue, 22 Aug 2023 16:35:48 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Yann Sionneau <ysionneau@...ray.eu>,
        Jarkko Nikula <jarkko.nikula@...ux.intel.com>,
        Julian Vetter <jvetter@...rayinc.com>,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4] Currently if the SoC needs pinctrl to switch the SCL
 and SDA from the I2C function to GPI

On Tue, Aug 22, 2023 at 04:26:08PM +0300, Andy Shevchenko wrote:
> On Tue, Aug 22, 2023 at 03:11:23PM +0200, Yann Sionneau wrote:
> > scl-gpio = <>;
> > sda-gpio = <>;
> > 
> > Are not enough for some SoCs to have a working recovery.
> > Some need:
> > 
> > scl-gpio = <>;
> > sda-gpio = <>;
> > pinctrl-names = "default", "recovery";
> > pinctrl-0 = <&i2c_pins_hw>;
> > pinctrl-1 = <&i2c_pins_gpio>;
> > 
> > The driver was not filling rinfo->pinctrl with the device node
> > pinctrl data which is needed by generic recovery code.
> > 
> > Signed-off-by: Yann Sionneau <ysionneau@...ray.eu>
> > ---
> > V3 -> V4:
> > * Replace `else if` by simply `if`.
> 
> You forgot my tag. Why?
> Also I think this will generate more code and more noise in debug case.
> So, I admit I gave a bad suggestion in previous round.
> 
> Please, go for v3 with my tag (as v5).

While there fix $subject to follow the convention used in the driver.