linux-kernel - Re: rfc: remove early_printk from a few arches? (blackfin, m68k, mips)

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Date:	Fri, 19 Dec 2014 00:33:49 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Joe Perches <joe@...ches.com>
cc:	linux-arch <linux-arch@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	linux-m68k <linux-m68k@...ts.linux-m68k.org>,
	Steven Miao <realmz6@...il.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	linux-mips <linux-mips@...ux-mips.org>
Subject: Re: rfc: remove early_printk from a few arches? (blackfin, m68k,
 mips)

On Wed, 17 Dec 2014, Joe Perches wrote:
> It seems like early_printk can be configured into
> a few architectures but also appear not to be used.
> 
> $ git grep -w "early_printk"
...
> These seem to the only uses:
... 
> So blackfin, m68k, and mips seems to have it possible to enable,
> but also don't appear at first glance to use it,

Hint: CONFIG_EARLY_PRINTK covers far more than early_printk()
 
> Is early_printk really used by these architectures?
> Should it be removed?

Sure, if you have a good reason to remove working functionality.

Thanks,

	tglx
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