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From: Joe Perches <joe@perches.com>
To: Sebastian Reichel <sre@debian.org>
Cc: Sebastian Reichel <sre@ring0.de>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Grant Likely <grant.likely@linaro.org>,
	Rob Herring <rob.herring@calxeda.com>,
	Peter Ujfalusi <peter.ujfalusi@ti.com>,
	Sachin Kamat <sachin.kamat@linaro.org>,
	linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org
Subject: Re: [PATCHv4 2/3] Input: twl4030-pwrbutton: use dev_err for errors
Date: Wed, 23 Oct 2013 11:17:46 -0700
Message-ID: <1382552266.22433.36.camel@joe-AO722> (raw)
In-Reply-To: <1382550852-11508-3-git-send-email-sre@debian.org>

On Wed, 2013-10-23 at 19:54 +0200, Sebastian Reichel wrote:
> Use dev_err() to output errors instead of dev_dbg().
[]
> diff --git a/drivers/input/misc/twl4030-pwrbutton.c b/drivers/input/misc/twl4030-pwrbutton.c
[]
> @@ -60,7 +60,7 @@ static int twl4030_pwrbutton_probe(struct platform_device *pdev)
>  
>  	pwr = input_allocate_device();
>  	if (!pwr) {
> -		dev_dbg(&pdev->dev, "Can't allocate power button\n");
> +		dev_err(&pdev->dev, "Can't allocate power button\n");
>  		return -ENOMEM;
>  	}

input_allocate_device uses kzalloc and it will emit a
standardized OOM message along with a dump_stack()
so this dev_err/dev_dbg is redundant and not necessary.



  reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-23 17:54 [PATCHv4 0/3] DT Support for TWL4030 power button Sebastian Reichel
2013-10-23 17:54 ` [PATCHv4 1/3] Input: twl4030-pwrbutton - add device tree support Sebastian Reichel
2013-10-24  7:47   ` Florian Vaussard
2013-10-24  8:38     ` Sebastian Reichel
2013-10-24  9:16       ` Florian Vaussard
2013-10-23 17:54 ` [PATCHv4 2/3] Input: twl4030-pwrbutton: use dev_err for errors Sebastian Reichel
2013-10-23 18:17   ` Joe Perches [this message]
2013-10-23 19:31     ` Sebastian Reichel
     [not found]       ` <20131023193112.GB30437-SfvFxonMDyemK9LvCR3Hrw@public.gmane.org>
2013-10-23 19:38         ` Joe Perches
2013-10-23 17:54 ` [PATCHv4 3/3] Input: twl4030-pwrbutton: simplify driver using devm_* Sebastian Reichel

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