From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 3DD3A11713; Fri, 26 Sep 2025 10:01:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758880888; cv=none; b=E0+b6GcuBzIPOOKPSKMUKMMdfnyDofj5QroVcr37NqdL6JwvtJuFVGESlVhbMPIELmPcsK04B4/zKJApWZdGT5x1NYsZ4sGQclP+KpE8Fh2UifsMWGs4FYvPXaMEjGewm9yoR6IyzrFQcoeoHTCMtHLVUNuw3pMTHeO2MyMcg5c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758880888; c=relaxed/simple; bh=QA5vuZ5yvjgvoc5CaM4hg5rjrbchE+TqeVmGnWMYFzg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=nJG9Fvr+brJmyevhll/2X+2ovZdqKhDBUyYmOFhxeK0QgdZY/xDvKz9tD/zcDkTthRTOCNitOH/0m5SkvIL/2zOZJR3B/qMN0WHkzVlw0VM+MKNl7AgRSw+SjtsbBLpQa/b+1cIeomm+7wTBPfZLhi8WQu8d6jRxI8qNhHtFe1Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 8B110168F; Fri, 26 Sep 2025 03:01:17 -0700 (PDT) Received: from [10.57.2.143] (unknown [10.57.2.143]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id B90893F5A1; Fri, 26 Sep 2025 03:01:23 -0700 (PDT) Message-ID: Date: Fri, 26 Sep 2025 11:01:22 +0100 Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/5] perf/arm_cspmu: Add arm_cspmu_acpi_dev_get Content-Language: en-GB To: Besar Wicaksono , "will@kernel.org" , "robin.murphy@arm.com" , "ilkka@os.amperecomputing.com" Cc: "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "linux-tegra@vger.kernel.org" , "mark.rutland@arm.com" , Thierry Reding , Jon Hunter , Vikram Sethi , Rich Wiley , Shanker Donthineni References: <20250923001840.1586078-1-bwicaksono@nvidia.com> <20250923001840.1586078-2-bwicaksono@nvidia.com> <331bea5f-cfab-49fb-87e4-7ec31523c2c3@arm.com> From: Suzuki K Poulose In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 25/09/2025 18:13, Besar Wicaksono wrote: > > >> -----Original Message----- >> From: Suzuki K Poulose >> Sent: Thursday, September 25, 2025 3:31 AM >> To: Besar Wicaksono ; will@kernel.org; >> robin.murphy@arm.com; ilkka@os.amperecomputing.com >> Cc: linux-arm-kernel@lists.infradead.org; linux-kernel@vger.kernel.org; linux- >> tegra@vger.kernel.org; mark.rutland@arm.com; Thierry Reding >> ; Jon Hunter ; Vikram Sethi >> ; Rich Wiley ; Shanker Donthineni >> >> Subject: Re: [PATCH v2 1/5] perf/arm_cspmu: Add arm_cspmu_acpi_dev_get >> >> External email: Use caution opening links or attachments >> >> >> On 23/09/2025 01:18, Besar Wicaksono wrote: >>> Add interface to get ACPI device associated with the >>> PMU. This ACPI device may contain additional properties >>> not covered by the standard properties. >>> >> >> Ok, but who needs this ? I couldn't see any users in the series. >> Did I miss something ? > > NVIDIA will need it to support upcoming PMU devices. > I am still preparing the follow up patch series containing the use case > on these new devices. Thanks for the explanation. It would be good to post something with a user. You could post this patch, with the future series then. Suzuki