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iommu/ipmmu-vmsa: IPMMU slave device whitelist V2

Joerg Roedel linux-arm-kernel linux-iommu linux-renesas-soc 1 version New

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  1. v2 Latest0 of 4 patches 0 repliesNew

Patches in v2 No applies recorded yet

None of the 4 patches the cover letter announces are in this archive.

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PatchJoerg Roedel
SeriesR-b

Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.

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Cover letter [PATCH/RFC v2 0/4] iommu/ipmmu-vmsa: IPMMU slave device whitelist V2
Quoted 20 lines · Magnus Damm

iommu/ipmmu-vmsa: IPMMU slave device whitelist V2

[PATCH/RFC v2 1/4] iommu/of: Skip IOMMU devices disabled in DT [PATCH/RFC v2 2/4] iommu/ipmmu-vmsa: Get rid of disabled device check [PATCH/RFC v2 3/4] iommu/ipmmu-vmsa: Check devices in xlate() [PATCH/RFC v2 3/4] iommu/ipmmu-vmsa: Opt-in slave devices based on ES version

Here's an updated prototype that shows how DT integration of IPMMU details may be integrated and merged upstream based on SoC data sheet ahead of time followed by enablement in the IPMMU driver code once the appropriate SoC ES version has been released and the hardware has been tested.

Changes since V1:
- Broke out patch 1 from the IPMMU driver
- Moved slave device check from ->add_device() to ->xlate() (Thanks Robin!)
- Updated white list patch to hook into ->xlate()

Patch 1 may be suitable for upstream merge, however other patches should in the future if agreed on be rolled into the IPMMU driver series.

Quoted 8 lines
Signed-off-by Magnus Damm <[email protected]>

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Developed on top of renesas-drivers-2017-01-24-v4.10-rc5

 drivers/iommu/ipmmu-vmsa.c |   59 +++++++++++++++++++++++---------------------
 drivers/iommu/of_iommu.c   |    2 -
 2 files changed, 33 insertions(+), 28 deletions(-)

For the series:

Reviewed-by Joerg Roedel <[email protected]>

Read the cover letter in its thread