Re: [PATCH] kirkwood: fix coccicheck warnings

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On Mon, 2013-03-11 at 09:35 +0200, Silviu-Mihai Popescu wrote:
> Convert all uses of devm_request_and_ioremap() to the newly introduced
> devm_ioremap_resource() which provides more consistent error handling.
> 
> devm_ioremap_resource() provides its own error messages so all explicit
> error messages can be removed from the failure code paths.
> 
> Signed-off-by: Silviu-Mihai Popescu <silviupopescu1990@xxxxxxxxx>
> ---
>  drivers/cpufreq/kirkwood-cpufreq.c |    8 +++-----
>  drivers/cpuidle/cpuidle-kirkwood.c |    6 +++---
>  drivers/thermal/kirkwood_thermal.c |    8 +++-----
>  3 files changed, 9 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/cpufreq/kirkwood-cpufreq.c b/drivers/cpufreq/kirkwood-cpufreq.c
> index 0e83e3c..6052476 100644
> --- a/drivers/cpufreq/kirkwood-cpufreq.c
> +++ b/drivers/cpufreq/kirkwood-cpufreq.c
> @@ -175,11 +175,9 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev)
>  		dev_err(&pdev->dev, "Cannot get memory resource\n");
>  		return -ENODEV;
>  	}
> -	priv.base = devm_request_and_ioremap(&pdev->dev, res);
> -	if (!priv.base) {
> -		dev_err(&pdev->dev, "Cannot ioremap\n");
> -		return -EADDRNOTAVAIL;
> -	}
> +	priv.base = devm_ioremap_resource(&pdev->dev, res);
> +	if (IS_ERR(priv.base))
> +		return PTR_ERR(priv.base);
>  
>  	np = of_find_node_by_path("/cpus/cpu@0");
>  	if (!np)
> diff --git a/drivers/cpuidle/cpuidle-kirkwood.c b/drivers/cpuidle/cpuidle-kirkwood.c
> index 670aa1e..53aad73 100644
> --- a/drivers/cpuidle/cpuidle-kirkwood.c
> +++ b/drivers/cpuidle/cpuidle-kirkwood.c
> @@ -66,9 +66,9 @@ static int kirkwood_cpuidle_probe(struct platform_device *pdev)
>  	if (res == NULL)
>  		return -EINVAL;
>  
> -	ddr_operation_base = devm_request_and_ioremap(&pdev->dev, res);
> -	if (!ddr_operation_base)
> -		return -EADDRNOTAVAIL;
> +	ddr_operation_base = devm_ioremap_resource(&pdev->dev, res);
> +	if (IS_ERR(ddr_operation_base))
> +		return PTR_ERR(ddr_operation_base);
>  
>  	device = &per_cpu(kirkwood_cpuidle_device, smp_processor_id());
>  	device->state_count = KIRKWOOD_MAX_STATES;
> diff --git a/drivers/thermal/kirkwood_thermal.c b/drivers/thermal/kirkwood_thermal.c
> index 65cb4f0..e5500ed 100644
> --- a/drivers/thermal/kirkwood_thermal.c
> +++ b/drivers/thermal/kirkwood_thermal.c
> @@ -85,11 +85,9 @@ static int kirkwood_thermal_probe(struct platform_device *pdev)
>  	if (!priv)
>  		return -ENOMEM;
>  
> -	priv->sensor = devm_request_and_ioremap(&pdev->dev, res);
> -	if (!priv->sensor) {
> -		dev_err(&pdev->dev, "Failed to request_ioremap memory\n");
> -		return -EADDRNOTAVAIL;
> -	}
> +	priv->sensor = devm_ioremap_resource(&pdev->dev, res);
> +	if (IS_ERR(priv->sensor))
> +		return PTR_ERR(priv->sensor);
>  
>  	thermal = thermal_zone_device_register("kirkwood_thermal", 0, 0,
>  					       priv, &ops, NULL, 0, 0);

there is already a fix for kirkwood_thermal.c at
http://marc.info/?l=linux-pm&m=136238017027514&w=2
and it has been applied to thermal -next.

would you please refreshed the patch?

thanks,
rui

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