linux-kernel - Re: [PATCH v2 1/1] spi: bcm2835: no dev_err() on clk_get() -EPROBE

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Message-ID: <98362740-2ce9-41f2-a053-80ade1e72a1b@gmail.com>
Date:   Mon, 16 Dec 2019 15:11:18 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Jim Quinlan <james.quinlan@...adcom.com>, linux-spi@...r.kernel.org
Cc:     Mark Brown <broonie@...nel.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <ray.jui@...adcom.com>,
        Scott Branden <scott.branden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/1] spi: bcm2835: no dev_err() on clk_get()
 -EPROBE_DEFER

On 12/16/19 3:08 PM, Jim Quinlan wrote:
> Use dev_dbg() on -EPROBE_DEFER and dev_err() on all
> other errors.
> 
> Signed-off-by: Jim Quinlan <jquinlan@...adcom.com>

Reviewed-by: Florian Fainelli <f.fainelli@...il.com>

> ---
>  drivers/spi/spi-bcm2835.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c
> index fb61a620effc..e4b57b751ce2 100644
> --- a/drivers/spi/spi-bcm2835.c
> +++ b/drivers/spi/spi-bcm2835.c
> @@ -1305,7 +1305,10 @@ static int bcm2835_spi_probe(struct platform_device *pdev)
>  	bs->clk = devm_clk_get(&pdev->dev, NULL);
>  	if (IS_ERR(bs->clk)) {
>  		err = PTR_ERR(bs->clk);
> -		dev_err(&pdev->dev, "could not get clk: %d\n", err);
> +		if (err == -EPROBE_DEFER)
> +			dev_dbg(&pdev->dev, "could not get clk: %d\n", err);
> +		else
> +			dev_err(&pdev->dev, "could not get clk: %d\n", err);
>  		goto out_controller_put;
>  	}
>  
> 


-- 
Florian