[PATCH] iommu/arm-smmu-v3: Correct COHACC override message
From: Lorenzo Pieralisi <hidden>
Date: 2017-09-25 14:19:52
Also in:
linux-iommu
On Mon, Sep 25, 2017 at 02:55:40PM +0100, Robin Murphy wrote:
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. Reported-by: Will Deacon <redacted> Signed-off-by: Robin Murphy <robin.murphy@arm.com> --- drivers/iommu/arm-smmu-v3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Apologies - missed while reshuffling the probe path to enable ACPI probing: Acked-by: Lorenzo Pieralisi <redacted>
quoted hunk ↗ jump to hunk
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 47f52b1ab838..4c63b3cf4eba 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c@@ -2523,7 +2523,7 @@ 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) {-- 2.13.4.dirty _______________________________________________ iommu mailing list iommu at lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu