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[144.49.247.0]) by smtp-relay.gmail.com with ESMTPS id d75a77b69052e-52d83eecdb8sm1511cf.3.2026.08.13.09.34.32 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 13 Aug 2026 09:34:32 -0700 (PDT) X-Relaying-Domain: broadcom.com X-CFilter-Loop: Reflected Received: by mail-qk1-f199.google.com with SMTP id af79cd13be357-92e695a3b28so121047785a.1 for ; Thu, 13 Aug 2026 09:34:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; t=1786638872; x=1787243672; darn=lists.infradead.org; h=content-transfer-encoding:content-type:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=er5DRGv9RBWWCyOmoSI2svQn2A2+M6brn7eWG6JBVlI=; b=ZHN8NnAMsLPOzLxJq6mbinmYHvd/K1ThnuCInqDje8zDlWV7wc1SzC/2xPjEw2HeZf oFVeFLdOUZVdnkNDKLJ6C4Jg7cqMC6yxSmcDMohIdYDzOrlT3i/qsyOzeLM3WrDzRMkK +MlumNpLFdjdNFYhmv2zR8adXcqmPW/OmJf7o= X-Forwarded-Encrypted: i=1; AHgh+Rq6MMoNHDbHv5oH/r6I1xHVKps2TuMo9aFikp9MPdstYSkbCJJ95h/kE6ago0C70sRCEh3MqXMam0jB1l/xvmLT@lists.infradead.org X-Received: by 2002:a05:620a:3726:b0:936:a184:3cf3 with SMTP id af79cd13be357-936c064fb1fmr644758685a.10.1786638872111; Thu, 13 Aug 2026 09:34:32 -0700 (PDT) X-Received: by 2002:a05:620a:3726:b0:936:a184:3cf3 with SMTP id af79cd13be357-936c064fb1fmr644752585a.10.1786638871669; Thu, 13 Aug 2026 09:34:31 -0700 (PDT) Received: from [10.67.48.245] ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id af79cd13be357-936cdf54ce8sm21460285a.4.2026.08.13.09.34.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 13 Aug 2026 09:34:31 -0700 (PDT) Message-ID: <4fc52c7d-85eb-40ec-9e90-2a20f194c64f@broadcom.com> Date: Thu, 13 Aug 2026 09:34:29 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 0/2] perf: Add Raspberry Pi AXI PMU driver To: Ian Rogers , Peter Robinson Cc: linux-perf-users@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, mark.rutland@arm.com, Peter Robinson , u.kleine-koenig@baylibre.com References: <20260812002728.2283079-1-irogers@google.com> <20260812052417.2361040-1-irogers@google.com> Content-Language: en-US, fr-FR From: Florian Fainelli Autocrypt: addr=florian.fainelli@broadcom.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260813_093434_756915_49D16394 X-CRM114-Status: GOOD ( 17.73 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 8/13/26 06:48, Ian Rogers wrote: > On Thu, Aug 13, 2026 at 2:08 AM Peter Robinson wrote: >> >> On Wed, 12 Aug 2026 at 09:28, Will Deacon wrote: >>> >>> On Tue, Aug 11, 2026 at 10:24:15PM -0700, Ian Rogers wrote: >>>> This patch series adds an uncore Performance Monitoring Unit (PMU) driver >>>> for Broadcom AXI system and VideoCore VPU performance monitors found on >>>> Raspberry Pi SoCs (BCM2835 through BCM2712 / Raspberry Pi 1 through 5). >>> >>> Why are you sending four versions of this patch series, at -rc7, each in >>> reply to the previous one? Nobody is going to review that. >> >> I'm also wondering why this is called rpi_axi_pmu where it very much >> looks like Broadcom IP, and is possibly used in other Broadcom SoCs, >> Florian can you confirm what this driver should be called? > > I'm somewhat agnostic regarding the naming, and having a more general > driver strikes me as a good thing. Fwiw, I based the name on a > somewhat similarly named non-perf-compliant driver: > https://github.com/raspberrypi/linux/blob/rpi-6.18.y/drivers/perf/raspberrypi_axi_monitor.c Given this uses the Raspberry Pi firmware interface, having rpi/rasbperrypi in the name is sensible IMHO, but the IP is technically from Broadcom AFAICT, so using a bcm2835 prefix wouldn't be far off. Ian, I am really having a hard time following all of your frequent submissions, would you mind waiting for feedback before spinning new versions? Thanks! -- Florian