linux-kernel - Re: [PATCH 1/2] vga: implements VGA arbitration on Linux

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Date:	Thu, 16 Jul 2009 13:54:42 +1000
From:	Dave Airlie <airlied@...il.com>
To:	Greg KH <greg@...ah.com>
Cc:	Tiago Vignatti <tiago.vignatti@...ia.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Dave Airlie <airlied@...hat.com>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] vga: implements VGA arbitration on Linux

On Wed, Jul 15, 2009 at 2:15 AM, Greg KH<greg@...ah.com> wrote:
> Minor comment:
>
>> +#ifdef DEBUG
>> +     printk(KERN_DEBUG "%s\n", __func__);
>> +#endif
>
> You should just use 'dev_dbg() for any debugging statments like this.
> You can turn them on and off dynamically, and you get all of the proper
> device information as to what is going on automatically.
>
> Plus, there's no need for a #ifdef in the code, which is generally
> frowned apon in .c files.
>

We don't have a device in this case, vga arb is more of an abstraction than
an actual device.

I suppose if we were feeling crazy we could add a platform device for it.

Dave.
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