From: Jon Hunter <jonathanh@nvidia.com>
To: Krzysztof Kozlowski <krzk@kernel.org>,
Besar Wicaksono <bwicaksono@nvidia.com>,
"will@kernel.org" <will@kernel.org>,
"suzuki.poulose@arm.com" <suzuki.poulose@arm.com>,
"robin.murphy@arm.com" <robin.murphy@arm.com>,
"ilkka@os.amperecomputing.com" <ilkka@os.amperecomputing.com>
Cc: "linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
Thierry Reding <treding@nvidia.com>,
Vikram Sethi <vsethi@nvidia.com>, Rich Wiley <rwiley@nvidia.com>,
Shanker Donthineni <sdonthineni@nvidia.com>,
Sean Kelley <skelley@nvidia.com>, Yifei Wan <YWan@nvidia.com>,
Matt Ochs <mochs@nvidia.com>, Nirmoy Das <nirmoyd@nvidia.com>
Subject: Re: [PATCH 8/8] arm64: defconfig: Enable NVIDIA TEGRA410 PMU
Date: Wed, 11 Feb 2026 10:36:18 +0000 [thread overview]
Message-ID: <085ad06e-61fa-4f18-a7d4-d88554344553@nvidia.com> (raw)
In-Reply-To: <a04e5648-86c0-4930-ac2f-a824acb35941@kernel.org>
On 11/02/2026 06:19, Krzysztof Kozlowski wrote:
...
>>>>>> Enable driver for NVIDIA TEGRA410 CMEM Latency and C2C PMU device.
>>>>>
>>>>> Why? Why do we want it? Which *upstream board* uses it?
>>>>>
>>>>
>>>> These are for NVIDIA Vera platform (Tegra410 SoC).
>>>
>>> There is no such board (git grep), but anyway, don't explain it to me.
>>> Your commit should explain such stuff.
>>>
>>
>> This is a server platform. There is no upstream board using this device currently.
>
> I don't understand why server or not server matters.
We should probably say this is an ACPI based platform.
> If there is no upstream user of this, it is wrong to add it to
> defconfig. This is upstream defconfig, not your distro.
This device does not support device-tree (so far) and hence, you will
not see any device-tree for this. However, enabling this is still valid
from an ACPI perspective.
Jon
--
nvpublic
next prev parent reply other threads:[~2026-02-11 10:36 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-26 18:11 [PATCH 0/8] perf: add NVIDIA Tegra410 Uncore PMU support Besar Wicaksono
2026-01-26 18:11 ` [PATCH 1/8] perf/arm_cspmu: nvidia: Rename doc to Tegra241 Besar Wicaksono
2026-01-26 18:11 ` [PATCH 2/8] perf/arm_cspmu: nvidia: Add Tegra410 UCF PMU Besar Wicaksono
2026-01-29 22:20 ` Ilkka Koskinen
2026-01-26 18:11 ` [PATCH 3/8] perf/arm_cspmu: Add arm_cspmu_acpi_dev_get Besar Wicaksono
2026-01-29 22:23 ` Ilkka Koskinen
2026-01-26 18:11 ` [PATCH 4/8] perf/arm_cspmu: nvidia: Add Tegra410 PCIE PMU Besar Wicaksono
2026-01-28 15:56 ` kernel test robot
2026-01-29 22:34 ` Ilkka Koskinen
2026-01-26 18:11 ` [PATCH 5/8] perf/arm_cspmu: nvidia: Add Tegra410 PCIE-TGT PMU Besar Wicaksono
2026-01-29 22:40 ` Ilkka Koskinen
2026-02-10 16:01 ` Besar Wicaksono
2026-01-26 18:11 ` [PATCH 6/8] perf: add NVIDIA Tegra410 CPU Memory Latency PMU Besar Wicaksono
2026-01-28 0:40 ` kernel test robot
2026-01-30 2:09 ` Ilkka Koskinen
2026-01-26 18:11 ` [PATCH 7/8] perf: add NVIDIA Tegra410 C2C PMU Besar Wicaksono
2026-01-30 2:54 ` Ilkka Koskinen
2026-01-26 18:11 ` [PATCH 8/8] arm64: defconfig: Enable NVIDIA TEGRA410 PMU Besar Wicaksono
2026-02-08 11:18 ` Krzysztof Kozlowski
2026-02-10 16:05 ` Besar Wicaksono
2026-02-10 16:15 ` Krzysztof Kozlowski
2026-02-10 17:42 ` Besar Wicaksono
2026-02-11 6:19 ` Krzysztof Kozlowski
2026-02-11 10:36 ` Jon Hunter [this message]
2026-02-11 10:41 ` Krzysztof Kozlowski
2026-02-11 10:47 ` Jon Hunter
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