Messages in this thread | | | Subject | Re: [PATCH 2/2] iommu/omap: Add support to program multiple iommus | From | Suman Anna <> | Date | Fri, 1 Sep 2017 12:05:37 -0500 |
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On 09/01/2017 11:33 AM, Joerg Roedel wrote: > Hi Suman, > On Fri, Sep 01, 2017 at 11:21:45AM -0500, Suman Anna wrote: >> It's primarily a question of whether each iommu platform device need to >> be represented as a unique iommu_device or not. If you still think that >> both these need to be presented to iommu core as one device, I would >> have to add some glue logic in probe to tie the two devices together. > > I think that you should only call iommu_device_register and friends for > the mmu-device you link the other devices against in .add_device. > Otherwise people will see two mmus in sysfs, one of them with no devices > behind it. That is inconsistent with the rest of the patch-set, which > basically handles bots mmus as one. But changing that should be easy, I > think.
Thanks for the feedback and suggestions, let me look at adding that logic.
regards Suman
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