Re: [PATCH 1/1] i2c: designware: add pinctrl for recovery info as an option

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

On Wed, Dec 14, 2022 at 10:27:07AM +0000, Hanna Hawa wrote:
> The current implementation of designware recovery mechanism fit for
> specific device (Intel / Altera Cyclone V SOC) which have two separated
> "wired" GPIOs to the i2c bus via the SOC FPGA for the i2c recovery.
> 
> This change add ability to get the pinctrl for the i2c recovery in order
> to switch between pin configuration (I2C and GPIO functionality) if the
> pinctrl exists.

...

> +	rinfo->pinctrl = devm_pinctrl_get(dev->dev);
> +	if (IS_ERR(rinfo->pinctrl)) {
> +		if (PTR_ERR(rinfo->pinctrl) == -EPROBE_DEFER)
> +			return -EPROBE_DEFER;
> +		rinfo->pinctrl = NULL;
> +		dev_dbg(dev->dev, "can't get pinctrl for i2c recovery\n");
> +	}

Can you explain, why pinctrl_bind_pins() is not enough?

(You may also refer to the ab78029ecc34 ("drivers/pinctrl: grab default handles
 from device core") for more details.)

-- 
With Best Regards,
Andy Shevchenko