linux-kernel - Re: [PATCH 2/2] ASoC: tegra: probe deferral error reporting

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Message-ID: <20180720121612.GC10784@sirena.org.uk>
Date:   Fri, 20 Jul 2018 13:16:12 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Marcel Ziswiler <marcel@...wiler.com>
Cc:     alsa-devel@...a-project.org, linux-tegra@...r.kernel.org,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        linux-kernel@...r.kernel.org, Takashi Iwai <tiwai@...e.com>,
        Liam Girdwood <lgirdwood@...il.com>
Subject: Re: [PATCH 2/2] ASoC: tegra: probe deferral error reporting

On Fri, Jul 20, 2018 at 10:04:24AM +0200, Marcel Ziswiler wrote:

> -			dev_err(&pdev->dev, "could not get codec-reset GPIO\n");
> +			dev_err(&pdev->dev, "could not get codec-reset GPIO: "
> +					    "%d\n", ret);

Don't split strings over lines like this, it causes problems when people
grep for errors.  It's better to go over 80 columns.

>  	ac97->sync_gpio = of_get_named_gpio(pdev->dev.of_node,
>  					    "nvidia,codec-sync-gpio", 0);
>  	if (!gpio_is_valid(ac97->sync_gpio)) {
> -		dev_err(&pdev->dev, "no codec-sync GPIO supplied\n");
> +		ret = ac97->sync_gpio;
> +		dev_err(&pdev->dev, "no codec-sync GPIO supplied: %d\n", ret);
>  		goto err_clk_put;
>  	}

This isn't reporting an error code associated with the attempt to find a
codec-sync GPIO, it's the result of some other operation.

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