diff options
| author | Robert Richter <rrichter@cavium.com> | 2017-03-13 11:39:01 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2017-04-06 17:06:42 +0200 |
| commit | 53c35dce45713d2a554109c21a8cd617d09eba50 (patch) | |
| tree | 10237cb4a7d312e35fb38e4c4738c019490d2f37 /drivers/iommu | |
| parent | iommu: Better document the IOMMU_PRIV flag (diff) | |
| download | linux-53c35dce45713d2a554109c21a8cd617d09eba50.tar.xz linux-53c35dce45713d2a554109c21a8cd617d09eba50.zip | |
iommu/arm-smmu: Print message when Cavium erratum 27704 was detected
Firmware is responsible for properly enabling smmu workarounds. Print
a message for better diagnostics when Cavium erratum 27704 was
detected.
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Robert Richter <rrichter@cavium.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/arm-smmu.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index b493c99e17f7..8e16da64e72e 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -1887,6 +1887,7 @@ static int arm_smmu_device_cfg_probe(struct arm_smmu_device *smmu) atomic_add_return(smmu->num_context_banks, &cavium_smmu_context_count); smmu->cavium_id_base -= smmu->num_context_banks; + dev_notice(smmu->dev, "\tenabling workaround for Cavium erratum 27704\n"); } /* ID2 */ |