From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 85357C433EF for ; Sat, 7 May 2022 15:05:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:CC:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=erLFEyN3W9QLlkpz82wWhgp0yaQHTmfA5FoqqKjkVRo=; b=ai2lVb/uOGV53uWSinwsH6a8wI bMSfQEHgdg6HCOkKrgL6lVpp0aKaeI1TMWeD98zNmKuoe/xIEtoxTncCIO7am0SyDLLQLYtutNCRr BbcdAHlmmiazmq68aJj01jFV1BaW2621f2Kx6O/7CZh4KR92HT3GId4PYjg4Ctcw1FPTFjD6mTk6M 621cXyphyqcfcfSlefRpvYuxjy0XZW8u2CasBtSEReuV/7spCMNj7X2zIGQVzATdEmPP4JHWj6ymw hriKNVIMaCiSX4rVY+zygLxSKTzisUHD8ou/9gIkxpOZQ5UitsQXQ1Jvm7OM5x0KXp1v/mTU4oJOh EJqFyYyA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nnLyi-007UBt-OM; Sat, 07 May 2022 15:04:16 +0000 Received: from szxga02-in.huawei.com ([45.249.212.188]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nnLye-007U1r-Cc for linux-arm-kernel@lists.infradead.org; Sat, 07 May 2022 15:04:14 +0000 Received: from dggpemm500023.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4KwVxL4LtKzGpL4; Sat, 7 May 2022 23:00:54 +0800 (CST) Received: from dggpemm500002.china.huawei.com (7.185.36.229) by dggpemm500023.china.huawei.com (7.185.36.83) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Sat, 7 May 2022 23:03:39 +0800 Received: from [10.174.178.247] (10.174.178.247) by dggpemm500002.china.huawei.com (7.185.36.229) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Sat, 7 May 2022 23:03:39 +0800 Subject: Re: [PATCH 2/2] ACPI: ARM Performance Monitoring Unit Table (APMT) initial support To: Besar Wicaksono , , , , , , , CC: , , , , , , References: <20220419205432.46021-1-bwicaksono@nvidia.com> <20220419205432.46021-3-bwicaksono@nvidia.com> From: Hanjun Guo Message-ID: Date: Sat, 7 May 2022 23:03:38 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20220419205432.46021-3-bwicaksono@nvidia.com> Content-Language: en-GB X-Originating-IP: [10.174.178.247] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpemm500002.china.huawei.com (7.185.36.229) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220507_080412_654558_F97BFE75 X-CRM114-Status: GOOD ( 14.07 ) 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: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2022/4/20 4:54, Besar Wicaksono wrote: > ARM Performance Monitoring Unit Table describes the properties of PMU > support in ARM-based system. The APMT table contains a list of nodes, > each represents a PMU in the system that conforms to ARM CoreSight PMU > architecture. The properties of each node include information required > to access the PMU (e.g. MMIO base address, interrupt number) and also > identification. For more detailed information, please refer to the > specification below: > * APMT: https://developer.arm.com/documentation/den0117/latest > * ARM Coresight PMU: > https://developer.arm.com/documentation/ihi0091/latest > > The initial support adds the detection of APMT table and generic > infrastructure to create platform devices for ARM CoreSight PMUs. > Similar to IORT the root pointer of APMT is preserved during runtime > and each PMU platform device is given a pointer to the corresponding > APMT node. > > Signed-off-by: Besar Wicaksono > --- > arch/arm64/Kconfig | 1 + > drivers/acpi/arm64/Kconfig | 3 + > drivers/acpi/arm64/Makefile | 1 + > drivers/acpi/arm64/apmt.c | 176 ++++++++++++++++++++++++++++++++++++ > drivers/acpi/bus.c | 2 + > include/linux/acpi_apmt.h | 19 ++++ > 6 files changed, 202 insertions(+) > create mode 100644 drivers/acpi/arm64/apmt.c > create mode 100644 include/linux/acpi_apmt.h > > +++ b/drivers/acpi/arm64/apmt.c > @@ -0,0 +1,176 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * ARM APMT table support. > + * Design document number: ARM DEN0117. > + * > + * Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. > + * > + */ > + > +#define pr_fmt(fmt) "ACPI: APMT: " fmt > + > +#include > +#include > +#include > +#include Please include , here is the similar patch: https://lore.kernel.org/lkml/CAJZ5v0gqr97AFuk855UZkcVpDnmj1Q6B2PE32zWmx4eKxbNvCw@mail.gmail.com/T/ Thanks Hanjun _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel