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iommu/arm-smmu-v3: Correct COHACC override message 

Slightly confusingly, when reporting a mismatch of the ID register
value, we still refer to the IORT COHACC override flag as the
"dma-coherent property" if we booted with ACPI. Update the message
to be firmware-agnostic in line with SMMUv2.

Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reported-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Robin Murphy 2017-09-25 14:55:40 +01:00 committed by Will Deacon
parent 9cff86fd2b
commit 2a22baa2d1
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/arm-smmu-v3.c
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@ -2535,7 +2535,7 @@ static int arm_smmu_device_hw_probe(struct arm_smmu_device *smmu)
* register, but warn on mismatch.
*/
if (!!(reg & IDR0_COHACC) != coherent)
dev_warn(smmu->dev, "IDR0.COHACC overridden by dma-coherent property (%s)\n",
dev_warn(smmu->dev, "IDR0.COHACC overridden by FW configuration (%s)\n",
coherent ? "true" : "false");
switch (reg & IDR0_STALL_MODEL_MASK << IDR0_STALL_MODEL_SHIFT) {