Hi Hanjun, On Tue, Jun 21, 2016 at 06:37:17PM +0800, Hanjun Guo wrote: > Hi Lorenzo, > > On 2016/6/7 21:30, Lorenzo Pieralisi wrote: > >This RFC patch series is v2 of a previous posting: > > > >https://lkml.org/lkml/2016/4/14/702 > > > >v1 -> v2: > > - Rebased on top of dependencies series [1][2][3](v4.7-rc1) > > - Removed IOMMU fwnode generalization > > - Implemented ARM SMMU v3 ACPI probing instead of ARM SMMU v2 > > owing to patch series dependencies [1] > > - Moved platform device creation logic to IORT code to > > generalize its usage for ARM SMMU v1-v2-v3 components > > - Removed reliance on ACPI early device probing > > - Created IORT specific iommu_xlate() translation hook leaving > > OF code unchanged according to v1 reviews > > > >The ACPI IORT table provides information that allows instantiating > >ARM SMMU devices and carrying out id mappings between components on > >ARM based systems (devices, IOMMUs, interrupt controllers). > > > >http://infocenter.arm.com/help/topic/com.arm.doc.den0049b/DEN0049B_IO_Remapping_Table.pdf > > > >Building on basic IORT support, available through [2]: > > > >this patchset enables ARM SMMU v3 support on ACPI systems. > > I'm trying to test your patches on D03 (SMMUv3 based) but ... What do you mean by "I am trying.." :), have you actually tested this series ? > [...] > >[1] R.Murphy "Generic DT bindings for PCI and ARM SMMU v3" > > http://marc.info/?l=linux-arm-kernel&m=146497432413816&w=2 > > ...This patch set is still in discussion and seems not work > for non-PCI devices. Can you be more specific please ? Yes, both series are work in progress. > >[2] T.Nowicki "Introduce ACPI world to ITS irqchip" v5 > > http://marc.info/?l=linux-acpi&m=146469369703684&w=2 > > Tomasz sent out the v7 and included patches in your series. > > I think a updated version before the test makes sense, what > do you think? Let me know your thoughts. I am working with Robin so that the xlate() mechanism works properly and seamlessly for both DT and ACPI, given the dependencies I think it makes more sense to wait for Tomasz and Robin patches to get merged or at least stabilize before doing anything else, I am curently working on a v3. Thanks, Lorenzo -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
