Message ID | d41c3eb397c0f406c75b1e52c85c45ef87dc325d.1506347740.git.robin.murphy@arm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
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 <will.deacon@arm.com> > 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 <lorenzo.pieralisi@arm.com> > 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@lists.linux-foundation.org > https://lists.linuxfoundation.org/mailman/listinfo/iommu
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) {
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 <will.deacon@arm.com> Signed-off-by: Robin Murphy <robin.murphy@arm.com> --- drivers/iommu/arm-smmu-v3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)