[PATCH 1/2] iommu/tegra: smmu: Add device tree support for SMMU

Stephen Warren swarren at wwwdotorg.org
Sat May 12 04:04:57 EST 2012


On 05/11/2012 03:46 AM, Joerg Roedel wrote:
> On Thu, May 10, 2012 at 02:08:33PM -0600, Stephen Warren wrote:
>> On 05/10/2012 01:50 AM, Hiroshi DOYU wrote:
>>> The necessary info is expected to pass from DT.
>>>
>>> For more precise resource reservation, there shouldn't be any
>>> overlapping of register range between SMMU and MC. SMMU register
>>> offset needs to be calculated correctly, based on its register bank.
>>>
>>> Signed-off-by: Hiroshi DOYU <hdoyu at nvidia.com>
>>
>> Acked-by: Stephen Warren <swarren at wwwdotorg.org>
>>
>> I expect patch 1 will go through the IOMMU tree, and I'll take patch 2
>> through the Tegra tree.
> 
> Any reason for splitting it up? The patches touch mostly drivers/iommu.
> So to avoid conflicts its probably the best to apply them together.

Patch 1 is the driver that touches drivers/iommu and related
documentation, whereas patch 2 touches the device tree file in
arch/arm/boot/dts. Either of the patches would get conflicts if they
were merged into the "other" tree.


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