Re: [PATCH v2 4/4] net: airoha: Use dev_err_probe()

[Lorenzo Bianconi <lorenzo@kernel.org>]

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On May 08, Christophe JAILLET wrote:
> Use dev_err_probe() to slightly simplify the code.
> It is less verbose, more informational and makes error logging more
> consistent in the probe.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> Changes in v2:
>   - New patch
> 
> Compile tested only.
> ---
>  drivers/net/ethernet/airoha/airoha_eth.c | 21 +++++++++------------
>  1 file changed, 9 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/net/ethernet/airoha/airoha_eth.c b/drivers/net/ethernet/airoha/airoha_eth.c
> index 2335aa59b06f..7404ee894467 100644
> --- a/drivers/net/ethernet/airoha/airoha_eth.c
> +++ b/drivers/net/ethernet/airoha/airoha_eth.c
> @@ -2896,10 +2896,9 @@ static int airoha_probe(struct platform_device *pdev)
>  	eth->dev = &pdev->dev;
>  
>  	err = dma_set_mask_and_coherent(eth->dev, DMA_BIT_MASK(32));
> -	if (err) {
> -		dev_err(eth->dev, "failed configuring DMA mask\n");
> -		return err;
> -	}
> +	if (err)
> +		return dev_err_probe(eth->dev, err,
> +				     "failed configuring DMA mask\n");

Can dma_set_mask_and_coherent() return -EPROBE_DEFER? The other parts are fine.

Regards,
Lorenzo

>  
>  	eth->fe_regs = devm_platform_ioremap_resource_byname(pdev, "fe");
>  	if (IS_ERR(eth->fe_regs))
> @@ -2912,10 +2911,9 @@ static int airoha_probe(struct platform_device *pdev)
>  	err = devm_reset_control_bulk_get_exclusive(eth->dev,
>  						    ARRAY_SIZE(eth->rsts),
>  						    eth->rsts);
> -	if (err) {
> -		dev_err(eth->dev, "failed to get bulk reset lines\n");
> -		return err;
> -	}
> +	if (err)
> +		return dev_err_probe(eth->dev, err,
> +				     "failed to get bulk reset lines\n");
>  
>  	eth->xsi_rsts[0].id = "xsi-mac";
>  	eth->xsi_rsts[1].id = "hsi0-mac";
> @@ -2925,10 +2923,9 @@ static int airoha_probe(struct platform_device *pdev)
>  	err = devm_reset_control_bulk_get_exclusive(eth->dev,
>  						    ARRAY_SIZE(eth->xsi_rsts),
>  						    eth->xsi_rsts);
> -	if (err) {
> -		dev_err(eth->dev, "failed to get bulk xsi reset lines\n");
> -		return err;
> -	}
> +	if (err)
> +		return dev_err_probe(eth->dev, err,
> +				     "failed to get bulk xsi reset lines\n");
>  
>  	eth->napi_dev = alloc_netdev_dummy(0);
>  	if (!eth->napi_dev)
> -- 
> 2.49.0
> 

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