linux-kernel - Re: [PATCH 5/7] mfd: pcf50633: Cleanup pcf50633

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Date:	Mon, 19 Oct 2009 17:08:13 +0200
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Paul Fertser <fercerpav@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Nelson Castillo <arhuaco@...aks-unidos.net>,
	Lars-Peter Clausen <lars@...afoo.de>
Subject: Re: [PATCH 5/7] mfd: pcf50633: Cleanup pcf50633_probe error
 handling

Hi Paul,

On Wed, Oct 14, 2009 at 02:12:34AM +0400, Paul Fertser wrote:
> From: Lars-Peter Clausen <lars@...afoo.de>
> 
> Currently the child devices were not freed if the irq could not be requested.
> This patch restructures the function, that in case of an error all previously
> allocated resources are freed.
> 
> Signed-off-by: Lars-Peter Clausen <lars@...afoo.de>
> Signed-off-by: Paul Fertser <fercerpav@...il.com>
> ---
>  drivers/mfd/pcf50633-core.c |   47 +++++++++++++++++++++++++-----------------
>  1 files changed, 28 insertions(+), 19 deletions(-)
[...]
>  	if (enable_irq_wake(client->irq) < 0)
> -		dev_err(pcf->dev, "IRQ %u cannot be enabled as wake-up source"
> +		dev_info(pcf->dev, "IRQ %u cannot be enabled as wake-up source"
>  			"in this hardware revision", client->irq);
2 things here: This doesnt really belong to this patch, and also I'd prefer to
keep that as an error message.


>  	ret = sysfs_create_group(&client->dev.kobj, &pcf_attr_group);
>  	if (ret)
> -		dev_err(pcf->dev, "error creating sysfs entries\n");
> +		dev_info(pcf->dev, "Failed to create sysfs entries\n");
Same here.

Otherwise, this patch looks good to me.



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