Re: [PATCH 03/11] spi: atmel: Simplify with dev_err_probe()

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On 01/09/2020 17:27:05+0200, 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@xxxxxxxxxx>
Reviewed-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>

> ---
>  drivers/spi/spi-atmel.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
> index 2cfe6253a784..7c68d5cdbdc6 100644
> --- a/drivers/spi/spi-atmel.c
> +++ b/drivers/spi/spi-atmel.c
> @@ -513,9 +513,8 @@ static int atmel_spi_configure_dma(struct spi_master *master,
>  
>  	master->dma_tx = dma_request_chan(dev, "tx");
>  	if (IS_ERR(master->dma_tx)) {
> -		err = PTR_ERR(master->dma_tx);
> -		if (err != -EPROBE_DEFER)
> -			dev_err(dev, "No TX DMA channel, DMA is disabled\n");
> +		err = dev_err_probe(dev, PTR_ERR(master->dma_tx),
> +				    "No TX DMA channel, DMA is disabled\n");
>  		goto error_clear;
>  	}
>  
> -- 
> 2.17.1
> 

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com



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