linux-kernel - Re: [PATCH v5] ARC: Dynamically determine BASE

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Date:	Wed, 14 Jan 2015 21:05:52 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Vineet Gupta <Vineet.Gupta1@...opsys.com>
Cc:	robh@...nel.org, Jiri Slaby <jslaby@...e.cz>,
	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v5] ARC: Dynamically determine BASE_BAUD from DeviceTree

On Thu, Jan 15, 2015 at 09:49:12AM +0530, Vineet Gupta wrote:
> Hi Greg,
> 
> On Saturday 10 January 2015 04:56 PM, Vineet Gupta wrote:
> > 8250 earlycon is broken on multi-platform ARC because the UART clk
> > value (BASE_BAUD) is fixed at build time.
> > 
> > Instead, determine the appropriate UART clk at runtime; parse the
> > devicetree early for platforms requiring alternate UART clk values
> > (currently only the TB10X platform).
> > 
> > Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > Cc: Jiri Slaby <jslaby@...e.cz>
> > Cc: linux-serial@...r.kernel.org
> > Cc: linux-kernel@...r.kernel.org
> > Cc: Rob Herring <robh@...nel.org>
> > Cc: Arnd Bergmann <arnd@...db.de>
> > Reviewed-by: Peter Hurley <peter@...leysoftware.com>
> > Signed-off-by: Vineet Gupta <vgupta@...opsys.com>
> > ---
> >  arch/arc/include/asm/serial.h | 23 +++++------------------
> >  arch/arc/kernel/devtree.c     | 24 ++++++++++++++++++++++++
> 
> This being all in arch code, do you want me to take this in via ARC tree ?

Sure, that's fine with me:

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
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