Re: [PATCH 1/5] iommu/io-pgtable-arm: Add BROKEN_NS quirk to disable shareability on ARM LPAE

2020-09-09 Thread Neil Armstrong
On 09/09/2020 14:23, Steven Price wrote: > Subject: s/BROKEN_NS/BROKEN_SH/ Thanks, Neil > > Steve > > On 08/09/2020 16:18, Neil Armstrong wrote: >> The coherency integration of the IOMMU in the Mali-G52 found in the Amlogic >> G12B SoCs >> is broken and leads to constant and random faults

Re: [PATCH 1/5] iommu/io-pgtable-arm: Add BROKEN_NS quirk to disable shareability on ARM LPAE

2020-09-09 Thread Steven Price
Subject: s/BROKEN_NS/BROKEN_SH/ Steve On 08/09/2020 16:18, Neil Armstrong wrote: The coherency integration of the IOMMU in the Mali-G52 found in the Amlogic G12B SoCs is broken and leads to constant and random faults from the IOMMU. Disabling shareability completely fixes the issue.

[PATCH 1/5] iommu/io-pgtable-arm: Add BROKEN_NS quirk to disable shareability on ARM LPAE

2020-09-08 Thread Neil Armstrong
The coherency integration of the IOMMU in the Mali-G52 found in the Amlogic G12B SoCs is broken and leads to constant and random faults from the IOMMU. Disabling shareability completely fixes the issue. Signed-off-by: Neil Armstrong --- drivers/iommu/io-pgtable-arm.c | 7 ---