linux-kernel - Re: [PATCH] MIPS: OCTEON: fix EARLY_PRINTK

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Message-ID: <20140327074016.GN17197@linux-mips.org>
Date:	Thu, 27 Mar 2014 08:40:16 +0100
From:	Ralf Baechle <ralf@...ux-mips.org>
To:	Aaro Koskinen <aaro.koskinen@....fi>
Cc:	linux-mips@...ux-mips.org, linux-kernel@...r.kernel.org,
	David Daney <david.daney@...ium.com>, stable@...r.kernel.org
Subject: Re: [PATCH] MIPS: OCTEON: fix EARLY_PRINTK_8250 build failure

On Tue, Mar 25, 2014 at 09:58:45PM +0200, Aaro Koskinen wrote:

> Enabling EARLY_PRINTK_8250 breaks OCTEON builds because of multiple
> prom_putchar() implementations. OCTEON provides its own prom_putchar()
> (also used by the watchdog driver), so we should prevent user from
> selecting EARLY_PRINTK_8250 on OCTEON.

There shouldn't be Octeon-specific code in the 8250-driver, not even
the Kconfig bits.  Also other systems - at least Sibyte - affected
by the same issue so I went for a different patch.

  Ralf
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