linux-kernel - Re: [PATCH] riscv: dts: allwinner: d1: Add PMU event node

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Message-ID: <d3c9e032-e20f-97e1-2d08-9bd87691d43c@linaro.org>
Date:   Mon, 28 Aug 2023 08:50:41 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Inochi Amaoto <inochiama@...look.com>,
        Conor Dooley <conor.dooley@...rochip.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Heiko Stuebner <heiko@...ech.de>, Wei Fu <wefu@...hat.com>,
        Pei Chen <cp0613@...ux.alibaba.com>,
        Wenhan Chen <chenwenhan.cwh@...baba-inc.com>,
        Guo Ren <guoren@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] riscv: dts: allwinner: d1: Add PMU event node

On 28/08/2023 08:41, Inochi Amaoto wrote:
>> On Mon, Aug 28, 2023 at 12:30:22PM +0800, Inochi Amaoto wrote:
>>> D1 has several pmu events supported by opensbi.
>>> These events can be used by perf for profiling.
>>>
>>> Signed-off-by: Inochi Amaoto <inochiama@...look.com>
>>> Link: https://dl.linux-sunxi.org/D1/Xuantie_C906_R1S0_User_Manual.pdf
>>> Link: https://github.com/T-head-Semi/openc906/blob/main/C906_RTL_FACTORY/gen_rtl/pmu/rtl/aq_hpcp_top.v#L657
>>> ---
>>> changed from v3:
>>> 1. remove wrong event mapping of 0x0000a
>>> 2. add reference url of c906 events implementation (D1 only support events
>>> described in R1S0 user manual, but event mapping is the same)
>>
>> Why'd you drop my ack? There's nothing here that'd invalidate it AFAICT.
>> Acked-by: Conor Dooley <conor.dooley@...rochip.com>
>>
>> Thanks,
>> Conor.
> 
> Sorry for this, I am not sure whether to preserve the ack.
> Thank you for your ack again, and I will reserve this if no big change
> happens.

https://elixir.bootlin.com/linux/v6.5-rc3/source/Documentation/process/submitting-patches.rst#L577

Best regards,
Krzysztof