Re: [PATCH v2 00/22] Unified SMMU driver among Tegra SoCs

[Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>]

On 07/08/2013 11:11 AM, Hiroshi Doyu wrote:
> Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org> wrote @ Mon, 8 Jul 2013 17:49:37 +0200:
> 
>>> For tegra device driver maintainers, please try this series to make
>>> your device work with IOMMU enabled. I guess that some of drivers may
>>> need to set its swgroup ID correctly in DT, and also you may need to
>>> check the usage of DMA mapping API correctly. For your convenience,
>>> you can get this series by git fetch:
>>
>> So are you saying this series will break some device drivers unless some
>> driver changes and/or DT additions are made? If so, those changes should
>> be (an early) part of this series; we can't break functionality.
> 
> Agree. Do we have any list of tests to run, especially for device drivers?

The best bet is to look through arch/arm/boot/dts/tegra*.dtsi, find the
list of all Tegra devices, and test each driver, on all chips.

I'll also send you a link to our internal Wiki with the test-cases I
typically run.