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

Joe Perches
2014-12-19T01:14:18Z

On Fri, 2014-12-19 at 00:33 +0100, Thomas Gleixner wrote:
> 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()

I know this.

Note also I didn't specify CONFIG_EARLY_PRINTK,
just 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.

Unused.

Ideally, all direct early_printk() uses would go away.
This would just be a starting point to minimize code.