linux-kernel - Re: [PATCH 08/11] spi: stm32: Simplify with dev_err

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Date:   Tue, 8 Sep 2020 15:53:33 +0200
From:   Alain Volmat <alain.volmat@...com>
To:     Krzysztof Kozlowski <krzk@...nel.org>
CC:     Tudor Ambarus <tudor.ambarus@...rochip.com>,
        Mark Brown <broonie@...nel.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Ludovic Desroches <ludovic.desroches@...rochip.com>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        "bcm-kernel-feedback-list@...adcom.com" 
        <bcm-kernel-feedback-list@...adcom.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang7@...il.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        Masahisa Kojima <masahisa.kojima@...aro.org>,
        Jassi Brar <jaswinder.singh@...aro.org>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        "linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-rpi-kernel@...ts.infradead.org" 
        <linux-rpi-kernel@...ts.infradead.org>,
        "linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
        "linux-stm32@...md-mailman.stormreply.com" 
        <linux-stm32@...md-mailman.stormreply.com>,
        "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH 08/11] spi: stm32: Simplify with dev_err_probe()

On Tue, Sep 01, 2020 at 03:27:10PM +0000, Krzysztof Kozlowski wrote:
> Common pattern of handling deferred probe can be simplified with
> dev_err_probe().  Less code and the error value gets printed.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>

Reviewed-by: Alain Volmat <alain.volmat@...com>

> ---
>  drivers/spi/spi-stm32.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c
> index d4b33b358a31..f0e594b2fee4 100644
> --- a/drivers/spi/spi-stm32.c
> +++ b/drivers/spi/spi-stm32.c
> @@ -1857,9 +1857,7 @@ static int stm32_spi_probe(struct platform_device *pdev)
>  
>  	spi->irq = platform_get_irq(pdev, 0);
>  	if (spi->irq <= 0) {
> -		ret = spi->irq;
> -		if (ret != -EPROBE_DEFER)
> -			dev_err(&pdev->dev, "failed to get irq: %d\n", ret);
> +		ret = dev_err_probe(&pdev->dev, spi->irq, "failed to get irq\n");
>  		goto err_master_put;
>  	}
>  	ret = devm_request_threaded_irq(&pdev->dev, spi->irq,
> -- 
> 2.17.1
>