linux-kernel - Re: [PATCH 2/3] [ARM] msm: make debugging UART (for DEBUG

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Date:	Mon, 15 Jun 2009 11:30:11 -0700
From:	Brian Swetland <swetland@...gle.com>
To:	Pavel Machek <pavel@....cz>
Cc:	linux-arm-kernel@...ts.arm.linux.org.uk,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] [ARM] msm: make debugging UART (for DEBUG_LL) 
	configurable

On Mon, Jun 15, 2009 at 6:20 AM, Pavel Machek<pavel@....cz> wrote:
> Hi!
>
>> Signed-off-by: Brian Swetland <swetland@...gle.com>
>> ---
>>  arch/arm/mach-msm/Kconfig                    |   24 ++++++++++++++++++++++++
>>  arch/arm/mach-msm/include/mach/debug-macro.S |   25 ++++++++++++++++++-------
>>  arch/arm/mach-msm/include/mach/msm_iomap.h   |   12 ++++++++++++
>>  arch/arm/mach-msm/include/mach/uncompress.h  |    7 +++++++
>>  arch/arm/mach-msm/io.c                       |    3 +++
>>  5 files changed, 64 insertions(+), 7 deletions(-)
>
> I'm not sure if this is appropriate for mainline at this point. It
> seems like few people have debug cable at this point...
>
>> +config MSM_DEBUG_UART
>> +     int
>> +     default 1 if MSM_DEBUG_UART1
>> +     default 2 if MSM_DEBUG_UART2
>> +     default 3 if MSM_DEBUG_UART3
>
> ...and those that do, have it at fixed uart, no?

Well, I'd like to support the SoC generally, not just Dream -- it's
used in a bunch of different devices, and there's nothing that forces
you to use UART3 everywhere (I certainly have seen some 7k hardware
that uses UART1 as the debug serial port).

Brian
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