Re: [PATCH] kirkwood: fix coccicheck warnings

From: Rafael J. Wysocki
Date: Thu Mar 21 2013 - 19:41:14 EST


On Monday, March 11, 2013 09:35:19 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@xxxxxxxxx>

If I'm supposed to take these changes, please split them into separate patches
for cpufreq, cpuidle and thermal (which would be for Rui BTW).

Thanks,
Rafael


> ---
> 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);
>
--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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