diff options
| author | Vivek Gautam <vivek.gautam@codeaurora.org> | 2019-04-22 12:40:36 +0530 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2019-04-23 12:23:16 +0100 |
| commit | bc580b56cb7888d1f09fff8a50270228fb834ae8 (patch) | |
| tree | d98cab92214aa7770dad659d7aa27341b5b4b04b /drivers/iommu/io-pgtable.c | |
| parent | 3f54c447df34ff9efac7809a4a80fd3208efc619 (diff) | |
| download | linux-stable-bc580b56cb7888d1f09fff8a50270228fb834ae8.tar.gz linux-stable-bc580b56cb7888d1f09fff8a50270228fb834ae8.tar.bz2 linux-stable-bc580b56cb7888d1f09fff8a50270228fb834ae8.zip | |
iommu/arm-smmu: Log CBFRSYNRA register on context fault
Bits[15:0] in CBFRSYNRA register contain information about
StreamID of the incoming transaction that generated the
fault. Dump CBFRSYNRA register to get this info.
This is specially useful in a distributed SMMU architecture
where multiple masters are connected to the SMMU.
SID information helps to quickly identify the faulting
master device.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'drivers/iommu/io-pgtable.c')
0 files changed, 0 insertions, 0 deletions