Received: by 2002:a25:1985:0:0:0:0:0 with SMTP id 127csp3414896ybz; Mon, 4 May 2020 02:31:06 -0700 (PDT) X-Google-Smtp-Source: APiQypLi7G3ox2Leu8NwgaVFFpee1dZWJbFl6qiGXzEEOvaBc/O0/3BGJZcvbmKGx5Onmn66L2QV X-Received: by 2002:a50:d596:: with SMTP id v22mr13427497edi.91.1588584666218; Mon, 04 May 2020 02:31:06 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1588584666; cv=none; d=google.com; s=arc-20160816; b=AnDKDb/PGMQ+WCq+5yEmC0BDKPXTHbWcsDWRCF34neQSwTAVBXX1/4sSxV9Adhkk+6 Yd+QlXfbTbDvmY/n8F83o7oOlOfSjg8BgOw3XLAIPR2BkPfAyv6yZzGv6uSfw6JTJz10 /MEoFRaAIJZwi1K1YDjmo7Z0Gmgu2KSqXRWuWP90Z73yy40Yau2Mdy5/9eRirw6d1ngt KJHAY8RgIExAohTZ9z5prue5D6I7VDQ1dUklHec1OiEqpcfiom04MpUTQ0xC3TfO0lcM Y4RTFENOzdjBIzJjfxl23ibkAGeAcEdp/VdpfsvwRJOdfJdm/C9pKoUQ1G0dJi8lXCtX QAAw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from; bh=MTuddXcXEASfPZtE2+keX5HQQKgF0RlwCmrCUKs21BY=; b=S6P2vJwDRwqF+jTikk2EwavgyTfCn7y7pQ/kAr4A0NBlLGNjhcbSsaJXN3q6xMii/u ujWhkwHBL4jk+wBE7iIZaAegTrXzKGkiRs5QNP0sjJGc4TR/zlyQY0lg/yFLtve01V56 LLf8FjIsXtrqy7wbEpO5SfhDwBANwFpqarhdqDlcwyZHtNjsQ5O5IpRE52Y4ffO6+DQv slz9L4NQv3vi88z2TPdi3eRS7D/CHRi+a87bhoXAPxdGoy9p8FxLjNJGonMsyaJsakbF lB8RBYmHbump3TiZVTcNbr2WlS33sAGh7B/zOAtaNfjXmXzCQDT8tRmA+hzo5St2mPBh NKvg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id c4si6669352ejm.465.2020.05.04.02.30.42; Mon, 04 May 2020 02:31:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728425AbgEDJ3N (ORCPT + 99 others); Mon, 4 May 2020 05:29:13 -0400 Received: from foss.arm.com ([217.140.110.172]:40526 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726906AbgEDJ3N (ORCPT ); Mon, 4 May 2020 05:29:13 -0400 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 9F86D101E; Mon, 4 May 2020 02:29:12 -0700 (PDT) Received: from usa.arm.com (e103737-lin.cambridge.arm.com [10.1.197.49]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 6A2253F305; Mon, 4 May 2020 02:29:11 -0700 (PDT) From: Sudeep Holla To: linux-arm-kernel@lists.infradead.org Cc: Sudeep Holla , Catalin Marinas , Will Deacon , Mark Rutland , Lorenzo Pieralisi , Steven Price , linux-kernel@vger.kernel.org, harb@amperecomputing.com Subject: [PATCH v2 0/5] arm/arm64: smccc: Add ARCH_SOC_ID support Date: Mon, 4 May 2020 10:29:00 +0100 Message-Id: <20200504092905.10580-1-sudeep.holla@arm.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, This patch series adds support for SMCCCv1.2 ARCH_SOC_ID. This doesn't add other changes added in SMCCC v1.2 yet. They will follow these soon along with its first user SPCI/PSA-FF. This is tested using upstream TF-A + the patch[1] fixing the original implementation there. v1[0]->v2: - Incorporated comments from Steven Price in patch 5/5 - Fixed build for CONFIG_PSCI_FW=n on some arm32 platforms - Added Steven Price's review tags Regards, Sudeep [0] https://lore.kernel.org/r/20200430114814.14116-1-sudeep.holla@arm.com/ [1] https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/4001 Sudeep Holla (5): arm/arm64: smccc: Update link to latest SMCCC specification arm/arm64: smccc: Add the definition for SMCCCv1.2 version/error codes arm/arm64: smccc: Drop smccc_version enum and use ARM_SMCCC_VERSION_1_x instead firmware: psci: Add function to fetch SMCCC version arm/arm64: smccc: Add ARCH_SOC_ID support arch/arm64/kernel/paravirt.c | 2 +- drivers/firmware/psci/Kconfig | 9 ++ drivers/firmware/psci/Makefile | 1 + drivers/firmware/psci/psci.c | 13 ++- drivers/firmware/psci/soc_id.c | 165 +++++++++++++++++++++++++++++++++ include/linux/arm-smccc.h | 23 ++++- include/linux/psci.h | 7 +- 7 files changed, 207 insertions(+), 13 deletions(-) create mode 100644 drivers/firmware/psci/soc_id.c -- 2.17.1