Re: [PATCH 0/7 v7] Support for fsl-mc bus and its devices in SMMU

From: Will Deacon
Date: Wed Sep 12 2018 - 12:58:31 EST


Hi Nipun,

On Mon, Sep 10, 2018 at 07:19:14PM +0530, Nipun Gupta wrote:
> This patchset defines IOMMU DT binding for fsl-mc bus and adds
> support in SMMU for fsl-mc bus.
>
> These patches
> - Define property 'iommu-map' for fsl-mc bus (patch 1)
> - Integrates the fsl-mc bus with the SMMU using this
> IOMMU binding (patch 2,3,4)
> - Adds the dma configuration support for fsl-mc bus (patch 5, 6)
> - Updates the fsl-mc device node with iommu/dma related changes (patch 7)

It looks like you have all the Acks in place for this series now, so I
assume it's going to go via Joerg directly. Is that right?

Will

> Changes in v2:
> - use iommu-map property for fsl-mc bus
> - rebase over patchset https://patchwork.kernel.org/patch/10317337/
> and make corresponding changes for dma configuration of devices on
> fsl-mc bus
>
> Changes in v3:
> - move of_map_rid in drivers/of/address.c
>
> Changes in v4:
> - move of_map_rid in drivers/of/base.c
>
> Changes in v5:
> - break patch 5 in two separate patches (now patch 5/7 and patch 6/7)
> - add changelog text in patch 3/7 and patch 5/7
> - typo fix
>
> Changes in v6:
> - Updated fsl_mc_device_group() API to be more rational
> - Added dma-coherent property in the LS2 smmu device node
> - Minor fixes in the device-tree documentation
>
> Changes in v7:
> - Rebased over linux 4.19
>
> Nipun Gupta (7):
> Documentation: fsl-mc: add iommu-map device-tree binding for fsl-mc
> bus
> iommu/of: make of_pci_map_rid() available for other devices too
> iommu/of: support iommu configuration for fsl-mc devices
> iommu/arm-smmu: Add support for the fsl-mc bus
> bus: fsl-mc: support dma configure for devices on fsl-mc bus
> bus: fsl-mc: set coherent dma mask for devices on fsl-mc bus
> arm64: dts: ls208xa: comply with the iommu map binding for fsl_mc
>
> .../devicetree/bindings/misc/fsl,qoriq-mc.txt | 39 ++++++++
> arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi | 7 +-
> drivers/bus/fsl-mc/fsl-mc-bus.c | 16 +++-
> drivers/iommu/arm-smmu.c | 7 ++
> drivers/iommu/iommu.c | 13 +++
> drivers/iommu/of_iommu.c | 25 ++++-
> drivers/of/base.c | 102 +++++++++++++++++++++
> drivers/of/irq.c | 5 +-
> drivers/pci/of.c | 101 --------------------
> include/linux/fsl/mc.h | 8 ++
> include/linux/iommu.h | 2 +
> include/linux/of.h | 11 +++
> include/linux/of_pci.h | 10 --
> 13 files changed, 224 insertions(+), 122 deletions(-)
>
> --
> 1.9.1
>