linux-kernel - Re: [PATCH v2] ASoC: ak4642: Simplify probe()

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Message-ID: <ZO4NrT36gbwc27+0@smile.fi.intel.com>
Date:   Tue, 29 Aug 2023 18:24:29 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Biju Das <biju.das.jz@...renesas.com>
Cc:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] ASoC: ak4642: Simplify probe()

On Mon, Aug 28, 2023 at 07:00:03PM +0100, Biju Das wrote:
> Simpilfy probe() by replacing of_device_get_match_data() and id lookup for
> retrieving match data by i2c_get_match_data() and replace
> dev_err()->dev_err_probe().

...

> -	if (np) {
> -		const struct of_device_id *of_id;
> -

> +	if (dev_fwnode(dev)) {

Why do we need this at all?

>  		mcko = ak4642_of_parse_mcko(dev);
>  		if (IS_ERR(mcko))
>  			mcko = NULL;

This can suffice on its own, right?

Can be done in a separate change as a precursor to this one.

> -
> -		of_id = of_match_device(ak4642_of_match, dev);
> -		if (of_id)
> -			drvdata = of_id->data;
> -	} else {
> -		const struct i2c_device_id *id =
> -			i2c_match_id(ak4642_i2c_id, i2c);
> -		drvdata = (const struct ak4642_drvdata *)id->driver_data;
>  	}

-- 
With Best Regards,
Andy Shevchenko