From 53c35dce45713d2a554109c21a8cd617d09eba50 Mon Sep 17 00:00:00 2001 From: Robert Richter Date: Mon, 13 Mar 2017 11:39:01 +0100 Subject: [PATCH] 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 Signed-off-by: Robert Richter Signed-off-by: Will Deacon --- drivers/iommu/arm-smmu.c | 1 + 1 file changed, 1 insertion(+) 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 */ -- 2.20.1