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>>>>>>> +    smmu->options |= ARM_SMMU_OPT_TEGRA241_CMDQV; >>>>>>> +    dev_info(smmu->dev, "found companion CMDQV device: %s\n", >>>>>>> +         dev_name(smmu->impl_dev)); >>>>>> This seems a bit noisy. dev_dbg? >>>>>> >>>>> This info print is similar to what is there in ACPI path as well. >>>>> It's only a single print per SMMU at boot time. Should I still change >>>>> it to dev_dbg? >>>> Yes, I would. >>> It's really not that bad IMHO, I am not against that though.. >>> >>> If we have to change that, we'd need another patch changing the >>> one in the ACPI path as well to keep things aligned. >> Regardless of what is already present, does not mean we need add more prints >> to just say everything is OK. > This is how it looks like for each instance probe(): > > [ 2.709269] arm-smmu-v3 arm-smmu-v3.10.auto: found companion CMDQV device: NVDA200C:00 > [ 2.709273] arm-smmu-v3 arm-smmu-v3.10.auto: option mask 0x10 > [ 2.709618] arm-smmu-v3 arm-smmu-v3.10.auto: ias 48-bit, oas 48-bit (features 0x001e1fbf) > [ 2.716236] arm-smmu-v3 arm-smmu-v3.10.auto: allocated 524288 entries for cmdq > [ 2.719432] arm-smmu-v3 arm-smmu-v3.10.auto: allocated 524288 entries for evtq > [ 2.725898] arm-smmu-v3 arm-smmu-v3.10.auto: allocated 524288 entries for priq > [ 2.736051] arm-smmu-v3 arm-smmu-v3.10.auto: allocated 524288 entries for vcmdq0 > [ 2.742553] arm-smmu-v3 arm-smmu-v3.10.auto: allocated 524288 entries for vcmdq1 > [ 2.742586] arm-smmu-v3 arm-smmu-v3.10.auto: msi_domain absent - falling back to wired irqs > [ 2.742759] arm-smmu-v3 arm-smmu-v3.10.auto: no priq irq - PRI will be broken > > On a second thought: The CMDQV device has a very unclear naming in > ACPI path: "NVDA200C:00". So, printing it gives us a hint for any > later warning/error tagged with "NVDA200C:00". > > Now, for DT, it might be okay to not print it. But making the two > paths asymmetric feels odd. So, is it really worth nitpicking here > given that each SMMU already prints quite a few lines on probe()? > > Nicolin Hi Jon, Nic, Shall I keep this print or send a new version removing it? Thanks, Ashish Mhetre