Re: [PATCH v12 0/3] iommu/smmu-v3: Workaround for hisilicon 161010801 erratum(reserve HW MSI)

2018-01-29 Thread Will Deacon
Hi Shameer, On Thu, Dec 14, 2017 at 04:09:54PM +, Shameer Kolothum wrote: > On certain HiSilicon platforms (hip06/hip07) the GIC ITS and PCIe RC > deviates from the standard implementation and this breaks PCIe MSI > functionality when SMMU is enabled. > > The HiSilicon erratum 161010801 descr

Re: [PATCH v6 5/6] iommu/arm-smmu: Add support for qcom,smmu-v2 variant

2018-01-29 Thread Rob Herring
On Fri, Jan 19, 2018 at 05:13:42PM +0530, Vivek Gautam wrote: > qcom,smmu-v2 is an arm,smmu-v2 implementation with specific > clock and power requirements. This smmu core is used with > multiple masters on msm8996, viz. mdss, video, etc. > Add bindings for the same. > > Signed-off-by: Vivek Gautam

Re: [PATCH v12 0/3] iommu/smmu-v3: Workaround for hisilicon 161010801 erratum(reserve HW MSI)

2018-01-29 Thread Will Deacon
On Mon, Jan 29, 2018 at 04:16:33PM +, Shameerali Kolothum Thodi wrote: > > -Original Message- > > From: Will Deacon [mailto:will.dea...@arm.com] > > Sent: Monday, January 29, 2018 3:40 PM > > To: Shameerali Kolothum Thodi > > Cc: lorenzo.pieral...@arm.com; robin.mur...@arm.com; > > mar

RE: [PATCH v12 0/3] iommu/smmu-v3: Workaround for hisilicon 161010801 erratum(reserve HW MSI)

2018-01-29 Thread Shameerali Kolothum Thodi
Hi Will, > -Original Message- > From: Will Deacon [mailto:will.dea...@arm.com] > Sent: Monday, January 29, 2018 3:40 PM > To: Shameerali Kolothum Thodi > Cc: lorenzo.pieral...@arm.com; robin.mur...@arm.com; > marc.zyng...@arm.com; j...@8bytes.org; John Garry > ; xuwei (O) ; Guohanjun > (H

RE: [PATCH v12 0/3] iommu/smmu-v3: Workaround for hisilicon 161010801 erratum(reserve HW MSI)

2018-01-29 Thread Shameerali Kolothum Thodi
Hi Joerg, > -Original Message- > From: Will Deacon [mailto:will.dea...@arm.com] > Sent: Monday, January 29, 2018 4:21 PM > To: Shameerali Kolothum Thodi > Cc: lorenzo.pieral...@arm.com; robin.mur...@arm.com; > marc.zyng...@arm.com; j...@8bytes.org; John Garry > ; xuwei (O) ; Guohanjun > (

Re: [PATCH 1/5] iommu/amd - Add debugfs support

2018-01-29 Thread Gary R Hook
On 01/26/2018 06:00 PM, Borislav Petkov wrote: On Fri, Jan 26, 2018 at 05:52:15PM -0600, Gary R Hook wrote: --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -135,6 +135,15 @@ config AMD_IOMMU_V2 hardware. Select this option if you want to use devices that support th