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

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Date:	Mon, 11 Mar 2013 19:02:22 +0200
From:	Silviu Popescu <silviupopescu1990@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Zhang Rui <rui.zhang@...el.com>, cpufreq@...r.kernel.org,
	andrew@...n.ch, jason@...edaemon.net, rob.lee@...aro.org,
	len.brown@...el.com, khilman@...com, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kirkwood: fix coccicheck warnings

On Mon, Mar 11, 2013 at 7:03 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
> On Monday, March 11, 2013 10:55:00 PM Zhang Rui wrote:
>> 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@...il.com>
>> > ---
>> >  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?
>
> Are you going to take that patch into your tree, then?

Hello,

I have sent a second version of the patch which does not modify
kirkwood_thermal.c.
Therefore the existing patch and the one I resent can be applied independently.

-- 
Silviu Popescu
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