linux-kernel - Re: [PATCH] drivers: cpuidle: kirkwood: fix coccicheck warnings

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Date:	Fri, 22 Mar 2013 14:22:05 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Silviu-Mihai Popescu <silviupopescu1990@...il.com>
Cc:	linux-kernel@...r.kernel.org, andrew@...n.ch, jason@...edaemon.net,
	Linux PM list <linux-pm@...r.kernel.org>
Subject: Re: [PATCH] drivers: cpuidle: kirkwood: fix coccicheck warnings

On Friday, March 22, 2013 02:12:55 AM 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@...il.com>

Applied to linux-pm.git/bleeding-edge and will be moved to linux-next after
build testing.

Thanks,
Rafael


> ---
>  drivers/cpuidle/cpuidle-kirkwood.c |    6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> 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;
> 
-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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