linux-kernel - Re: [PATCH v2 00/11] Add cache information to Amlogic SoC

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Message-ID: <32d93739-0ea9-4b75-ae73-c0c8b10f2c3b@linaro.org>
Date: Fri, 5 Sep 2025 12:20:54 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Anand Moon <linux.amoon@...il.com>
Cc: Kevin Hilman <khilman@...libre.com>, Jerome Brunet
 <jbrunet@...libre.com>,
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, linux-arm-kernel@...ts.infradead.org,
 linux-amlogic@...ts.infradead.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 00/11] Add cache information to Amlogic SoC

On 05/09/2025 06:01, Anand Moon wrote:
> Hi Neil,
> 
> On Thu, 4 Sept 2025 at 18:58, Neil Armstrong <neil.armstrong@...aro.org> wrote:
>>
>> Hi,
>>
>> On Mon, 25 Aug 2025 12:21:40 +0530, Anand Moon wrote:
>>> Most publicly available Amlogic datasheets mention that the CPU employs
>>> a architecture, quad-core ARM Cortex-A53 and ARM Cortex A55 and
>>> Cortex-A73 and Cortex-A53 cluster, sharing a unified L2 cache to enhance
>>> overall system performance.
>>>
>>> However, these documents typically omit details regarding the sizes of the
>>> L1 data cache, L1 instruction cache, and L2 cache.
>>>
>>> [...]
>>
>> Thanks, Applied to https://git.kernel.org/pub/scm/linux/kernel/git/amlogic/linux.git (v6.18/arm64-dt)
>>
>> [01/11] arm64: dts: amlogic: Add cache information to the Amlogic GXBB and GXL SoC
>>          https://git.kernel.org/amlogic/c/d7fc05da8ba28d22fb9bd79d9308f928fcb81c19
>> [02/11] arm64: dts: amlogic: Add cache information to the Amlogic SM1 SoC
>>          https://git.kernel.org/amlogic/c/fd7b48b1f91e1830e22e73744e7525af24d8ae25
>> [03/11] arm64: dts: amlogic: Add cache information to the Amlogic G12A SoCS
>>          https://git.kernel.org/amlogic/c/a4428e52babdb682f47f99b0b816e227e51a3835
>> [04/11] arm64: dts: amlogic: Add cache information to the Amlogic AXG SoCS
>>          https://git.kernel.org/amlogic/c/3b6ad2a433672f4ed9e1c90e4ae6b94683d1f1a2
>> [05/11] arm64: dts: amlogic: Add cache information to the Amlogic GXM SoCS
>>          https://git.kernel.org/amlogic/c/fe2c12bc0a8f9e5db87bfbf231658eadef4cdd47
>> [06/11] arm64: dts: amlogic: Add cache information to the Amlogic A1 SoC
>>          https://git.kernel.org/amlogic/c/2d97773212f8516b2fe3177077b1ecf7b67a4e09
>> [07/11] arm64: dts: amlogic: Add cache information to the Amlogic A4 SoC
>>          https://git.kernel.org/amlogic/c/57273dc063d5a80e8cebc20878369099992be01a
>> [08/11] arm64: dts: amlogic: Add cache information to the Amlogic C3 SoC
>>          https://git.kernel.org/amlogic/c/6d4ab38a0a21c82076105e4cc37087ef92253c7b
>> [09/11] arm64: dts: amlogic: Add cache information to the Amlogic S7 SoC
>>          https://git.kernel.org/amlogic/c/494c362fa1633bba127045ace8f0eea0b277af28
>> [10/11] arm64: dts: amlogic: Add cache information to the Amlogic S922X SoC
>>          https://git.kernel.org/amlogic/c/e7f85e6c155aed3e10e698dd05bd04b2d52edb59
>> [11/11] arm64: dts: amlogic: Add cache information to the Amlogic T7 SoC
>>          https://git.kernel.org/amlogic/c/e97fdb9b8a0f8bd349de48815694f8a7200e3d62
>>
>> These changes has been applied on the intermediate git tree [1].
>>
>> The v6.18/arm64-dt branch will then be sent via a formal Pull Request to the Linux SoC maintainers
>> for inclusion in their intermediate git branches in order to be sent to Linus during
>> the next merge window, or sooner if it's a set of fixes.
>>
>> In the cases of fixes, those will be merged in the current release candidate
>> kernel and as soon they appear on the Linux master branch they will be
>> backported to the previous Stable and Long-Stable kernels [2].
>>
>> The intermediate git branches are merged daily in the linux-next tree [3],
>> people are encouraged testing these pre-release kernels and report issues on the
>> relevant mailing-lists.
>>
>> If problems are discovered on those changes, please submit a signed-off-by revert
>> patch followed by a corrective changeset.
>>
>> [1] https://git.kernel.org/pub/scm/linux/kernel/git/amlogic/linux.git
>> [2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
>> [3] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
>>
> Received feedback from Krzysztof to omit the comments in the commit message.
> Should I respin accordingly?

Sure, I'll re-apply the new version

Neil

>> --
>> Neil
>>
> Thanks
> -Anand