Re: [PATCH 1/1] memory: tegra_ahb_enable_smmu() depends on TEGRA_IOMMU_SMMU

[Stephen Warren]

On 02/21/2013 06:28 AM, Russell King - ARM Linux wrote:
> On Wed, Feb 20, 2013 at 10:54:38AM -0700, Stephen Warren wrote:
>> On 02/11/2013 10:30 AM, Hiroshi Doyu wrote:
>>> Hiroshi Doyu <hdoyu@xxxxxxxxxx> wrote @ Wed, 06 Feb 2013 21:16:35 +0200 (EET):
>>>
>>>> Hi Russell,
>>>>
>>>> Stephen Warren <swarren@xxxxxxxxxxxxx> wrote @ Wed, 6 Feb 2013 19:51:46 +0100:
>>>>
>>>>> On 02/06/2013 11:34 AM, Hiroshi Doyu wrote:
>>>>>> New SoC, Tegra114 also uses SMMU. Change tegra_ahb_enable_smmu()'s
>>>>>> dependency from ARCH_TEGRA_3x_SOC to TEGRA_IOMMU_SMMU. No need to edit
>>>>>> whenever a new Tegra SoC comes.
>>>>>>
>>>>>> The following combination caused build error, which this patch fixes.
>>>>>>
>>>>>> CONFIG_ARCH_TEGRA_2x_SOC=y
>>>>>> \# CONFIG_ARCH_TEGRA_3x_SOC is not set
>>>>>> CONFIG_ARCH_TEGRA_114_SOC=y
>>>>>>
>>>>>> drivers/iommu/tegra-smmu.c:485: undefined reference to 'tegra_ahb_enable_smmu'
>>>>>
>>>>> Tested-by: Stephen Warren <swarren@xxxxxxxxxx>
>>>>>
>>>>> Russell, I assume Hiroshi should upload this to your patch tracker? It's
>>>>> needed for 3.9.
>>>>
>>>> FYI: Submitted as:
>>>> http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7640/1
>>>
>>> Russell,
>>>
>>> Is the above ok for you?
>>> Please let me know if still I need to do something.
>>
>> Russell, will this patch make it into your tree for 3.9? Do you think it
>> should go through some other tree? Thanks.
> 
> I'll merge it, and I think it's a minor fix.  Should it be copied to
> stable?  If so, which ones are affected?

It's only relevant for 3.9. It will apply without issue to some older
kernels, but there's no need for it there.

Thanks.
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