Re: [PATCH] arm/tegra: select AUTO_ZRELADDR by default
From: Olof Johansson
Date: Thu Oct 13 2011 - 19:38:49 EST
Hi,
On Wed, Sep 28, 2011 at 10:50 AM, Stephen Warren <swarren@xxxxxxxxxx> wrote:
> Peter De Schrijver wrote at Tuesday, September 27, 2011 7:08 PM:
>> This patch causes the kernel uncompressor to determine the physical address
>> of the SDRAM at runtime. This allows the kernel to boot on both tegra20 and
>> tegra30 even though SDRAM is at different physical addresses on both SoCs.
>>
>> Signed-off-by: Peter De Schrijver <pdeschrijver@xxxxxxxxxx>
>
> An alternative would be to simply add that config option to the relevant
> defconfig/.config file. I see both cases in use in the kernel. Still, the
> code change this enables looks fine to just turn on all the time, and will
> be needed for Tegra30 support, so I'm fine just selecting it as you have.
>
> Acked-by: Stephen Warren <swarren@xxxxxxxxxx>
>
>> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
>> index 472a7f8..474737b 100644
>> --- a/arch/arm/Kconfig
>> +++ b/arch/arm/Kconfig
>> @@ -596,6 +596,7 @@ config ARCH_TEGRA
>> select HAVE_CLK
>> select HAVE_SCHED_CLOCK
>> select ARCH_HAS_CPUFREQ
>> + select AUTO_ZRELADDR
>> help
>> This enables support for NVIDIA Tegra based systems (Tegra APX,
>> Tegra 6xx and Tegra 2 series).
>
> P.S. Since this patch relates to Tegra, you should CC the Tegra maintainers
> and list; I've done so on this message. I also added Arnd; he might take
> this through the arm-soc tree.
While it does touch a file outside of arch/arm/mach-tegra, it's for
the tegra options and is not likely to cause conflicts upstream. I'll
apply it with the rest of tegra patches for 3.2 here.
So: Applied, thanks.
-Olof
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