linux-kernel - Re: [PATCH 01/38] ARM: ux500: Remove PrimeCell IDs from Nomadik I2C DT nodes

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Message-ID: <20130912123228.GJ12758@n2100.arm.linux.org.uk>
Date:	Thu, 12 Sep 2013 13:32:28 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Olof Johansson <olof@...om.net>, Arnd Bergmann <arnd@...db.de>,
	Lee Jones <lee.jones@...aro.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 01/38] ARM: ux500: Remove PrimeCell IDs from Nomadik
	I2C DT nodes

On Thu, Sep 12, 2013 at 02:23:48PM +0200, Linus Walleij wrote:
> Yeah somewhere the bit-banging from the LL-prints that just
> hammer the hardware start conflicting with the kernel control
> over the same port. I guess it's the same for all users of the
> PL011.

That shouldn't happen, unless the port becomes disabled (eg, you're
not using the LL-debug port as your console, and its then placed into
a low power mode.)

Again, let me re-interate what LL-debug is for: it's there to assist
getting the early boot up and running.  Once the early boot is working,
it should *not* be used.
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