linux-kernel - Re: [PATCH v4 2/2] i2c: Set i2c pinctrl recovery info from it's device pinctrl

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Message-ID: <Y6xcGWK7ghrQIjL/@smile.fi.intel.com>
Date:   Wed, 28 Dec 2022 17:09:13 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Hanna Hawa <hhhawa@...zon.com>
Cc:     wsa@...nel.org, linus.walleij@...aro.org,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, dwmw@...zon.co.uk, benh@...zon.com,
        ronenk@...zon.com, talel@...zon.com, jonnyc@...zon.com,
        hanochu@...zon.com, farbere@...zon.com, itamark@...zon.com
Subject: Re: [PATCH v4 2/2] i2c: Set i2c pinctrl recovery info from it's
 device pinctrl

On Wed, Dec 21, 2022 at 08:51:16PM +0000, Hanna Hawa wrote:
> Currently the i2c subsystem rely on the controller device tree to
> initialize the pinctrl recovery information, part of the drivers does
> not set this field (rinfo->pinctrl), for example i2c designware driver.

DesignWare

> The pins information is saved part of the device structure before probe
> and it's done on pinctrl_bind_pins().
> 
> Make the i2c init recovery to get the device pins if it's not
> initialized by the driver from the device pins.

...

> -	struct pinctrl *p = bri->pinctrl;
> +	struct pinctrl *p;
> +
> +	bri->pinctrl = bri->pinctrl ?: dev_pinctrl(dev->parent);
> +	p = bri->pinctrl;

What about

	struct pinctrl *p = bri->pinctrl ?: dev_pinctrl(dev->parent);

	bri->pinctrl = p;

?

Seems like one line of code less.

Either way,
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

-- 
With Best Regards,
Andy Shevchenko