linux-kernel - Re: [PATCH 1/2] drivers: regulator: core: use pr

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Date:	Wed, 17 Nov 2010 16:35:08 -0800
From:	Daniel Walker <dwalker@...eaurora.org>
To:	Joe Perches <joe@...ches.com>
Cc:	Liam Girdwood <lrg@...mlogic.co.uk>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	linux-kernel@...r.kernel.org, bleong@...eaurora.org
Subject: Re: [PATCH 1/2] drivers: regulator: core: use pr_fmt

On Wed, 2010-11-17 at 16:29 -0800, Joe Perches wrote:
> On Wed, 2010-11-17 at 15:30 -0800, Daniel Walker wrote:
> > This adds a pr_fmt line which uses the __func__ macro. I also
> > convert the current pr_ lines to remove their __func__ usage.
> []
> > diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
> > @@ -765,8 +767,8 @@ static int machine_constraints_voltage(struct regulator_dev *rdev,
> >  
> >  		/* else require explicit machine-level constraints */
> >  		if (cmin <= 0 || cmax <= 0 || cmax < cmin) {
> > -			pr_err("%s: %s '%s' voltage constraints\n",
> > -				       __func__, "invalid", name);
> > +			pr_err("%s '%s' voltage constraints\n", "invalid",
> > +				name);
> 
> Using a separate pointer for invalid and unsupportable
> doesn't save much text space and is very hard to grep.
> 
> I think it's more intelligible as:
> 
> 			pr_err("%s: Invalid voltage constraints\n", name);

I noticed that also, but I didn't feel like changing it when I did this.


there is another one here,

                        printk(KERN_WARNING "%s: could not add regulator_dev"
                                " load sysfs\n", __func__);

I'm not sure what this one was suppose to say.

Daniel


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