From patchwork Mon Jan 29 07:59:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: JeeHeng Sia X-Patchwork-Id: 13535139 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 990A7C47DDB for ; Mon, 29 Jan 2024 08:00:27 +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-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=AFR3z6UBtVLsv7UuwsmG6qYXB045gwLIcC90XSpHF5s=; b=qpkmK5QHNvz1sm DBvtjaoeKIntCbtBaqDzzmYfoNNaj+AlBSIPfIk+YXMftTS1x9m/Q2njijoF0epOHrntjGXM/ipOg lyBdY/iaiJuxSCAXyQePojqSrH3+Nqn44YUi/FKtcbhUnFIVHhBxyAaB2h41bBzqQEuTkfpSAthAB bfVjY1dzTJ6J2H5/87E8dEHDUmF22HLrf4G0avfuGjTXRuNHxlIgwNWsJKaM+eggkbCreNg6tmsyc ggTG7sJYqlAJFlMdm+HZJNUSaRIfhPw1ge6mijjEfnmy3Dh3UN7+0DS4kpGIdrhEWojw9sfRqTDLD wyKx9pUU5EqIXKSnxEXw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rUMZ6-0000000Bh97-2lyi; Mon, 29 Jan 2024 08:00:24 +0000 Received: from mail-bjschn02on20606.outbound.protection.partner.outlook.cn ([2406:e500:4440:2::606] helo=CHN02-BJS-obe.outbound.protection.partner.outlook.cn) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rUMZ2-0000000Bh6j-1vZG for linux-riscv@lists.infradead.org; Mon, 29 Jan 2024 08:00:21 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=BDuYMJorbRW9nAmxpsnXuIl2ioCm/1v+79SGjZjvEw1/O/vX9riwgglxKjUanGiJJEaaxjuoWoeimuI380W6EEaVat1QGNSRlrz4+mR0UiGFE7T3r5SAIGVoaQO3+F8+dxDzGdrssAl5qhQkg7RnDz0zBhvfBId6XW4gZOR75DaKzwSFI9aqGtBpAaZ7shd1qkCY7huU2VEqQUJ5cimiLjQj8BWYR1l5uL0WRAX1Ku/ARgNhZ7RiQiVz/Qmnz6muuqMQVfg1ITDxqQdqLiPHd3COSw7VN5LWlwwZUdh61So7LuCSGpO71l3YEulHm76bI4S9TVicTt/lt/oHGJSXDw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=hQZtdNYJ56KwD1I/52FjiLmuaG1QJCswXe4mYk0EikI=; b=D7OlLbrjB9jBooNKhDqjnxr+kMnrP8egImtkhWiIpNMikH15g37sfm6QIQexk4wkg1pbIgL0jUjMKoc7J/bIuOFz59MkJYxj0Y5tJOOryoLn83Puw4HhPjxD+PZpznNlF6kAXYM9KPQryxDhVpuxtLB/RUoK1SjZZxQtgawbbbqCqGzdRipQBtnaBaJ00iVlGMH8c+YKkOy9/lXJXl+Md57KWfYVtb+rKJct8h1JA8/iLT5DBLKMeDnnl8hhMGhinzclw9X+zNrolzIe+TJIBBxB7QBzbo0Bo9ghSdBTKATOnxZ83U97cEQ2P8k3ki9DHlUm0TH0IzcD/xdv6C6LEg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=starfivetech.com; dmarc=pass action=none header.from=starfivetech.com; dkim=pass header.d=starfivetech.com; arc=none Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=starfivetech.com; Received: from BJSPR01MB0561.CHNPR01.prod.partner.outlook.cn (2406:e500:c211:f::16) by BJSPR01MB0545.CHNPR01.prod.partner.outlook.cn (2406:e500:c211:f::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7228.31; Mon, 29 Jan 2024 08:00:16 +0000 Received: from BJSPR01MB0561.CHNPR01.prod.partner.outlook.cn ([fe80::3862:65b4:c857:c4a6]) by BJSPR01MB0561.CHNPR01.prod.partner.outlook.cn ([fe80::3862:65b4:c857:c4a6%4]) with mapi id 15.20.7228.029; Mon, 29 Jan 2024 08:00:16 +0000 From: Sia Jee Heng To: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Cc: paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, sudeep.holla@arm.com, jeeheng.sia@starfivetech.com, robh@kernel.org, conor.dooley@microchip.com, suagrfillet@gmail.com Subject: [RFC v1 1/2] riscv: cacheinfo: Remove unused parameter Date: Sun, 28 Jan 2024 23:59:56 -0800 Message-Id: <20240129075957.116033-2-jeeheng.sia@starfivetech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240129075957.116033-1-jeeheng.sia@starfivetech.com> References: <20240129075957.116033-1-jeeheng.sia@starfivetech.com> X-ClientProxiedBy: NT0PR01CA0031.CHNPR01.prod.partner.outlook.cn (2406:e500:c510:c::14) To BJSPR01MB0561.CHNPR01.prod.partner.outlook.cn (2406:e500:c211:f::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BJSPR01MB0561:EE_|BJSPR01MB0545:EE_ X-MS-Office365-Filtering-Correlation-Id: 048c09d5-343a-4e89-2980-08dc20a0540f X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BJSPR01MB0561.CHNPR01.prod.partner.outlook.cn;PTR:;CAT:NONE;SFS:(13230031)(366004)(136003)(346002)(396003)(39830400003)(230922051799003)(186009)(1800799012)(64100799003)(451199024)(38350700005)(41320700001)(2616005)(2906002)(52116002)(5660300002)(6666004)(66946007)(66556008)(4326008)(26005)(1076003)(66476007)(8676002)(8936002)(38100700002)(83380400001)(508600001)(41300700001)(40180700001)(86362001)(40160700002)(36756003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: starfivetech.com X-MS-Exchange-CrossTenant-Network-Message-Id: 048c09d5-343a-4e89-2980-08dc20a0540f X-MS-Exchange-CrossTenant-AuthSource: BJSPR01MB0561.CHNPR01.prod.partner.outlook.cn X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Jan 2024 08:00:15.9754 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 06fe3fa3-1221-43d3-861b-5a4ee687a85c X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: i4tzgcZhp0TEraiF5mDFOXtxYsmQ3v30xS5MMbJAMaUsLw8Wn2pMG/xuhVoVFCIEGMzGJVxyhjz0IOV4FumOeAzF6nSVJWQrXpD/RHQYQig= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BJSPR01MB0545 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240129_000020_521888_9AE0EFBB X-CRM114-Status: UNSURE ( 7.59 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Removing the unused parameter in ci_leaf_init() to simplify the code. Signed-off-by: Sia Jee Heng --- arch/riscv/kernel/cacheinfo.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/arch/riscv/kernel/cacheinfo.c b/arch/riscv/kernel/cacheinfo.c index 09e9b88110d1..30a6878287ad 100644 --- a/arch/riscv/kernel/cacheinfo.c +++ b/arch/riscv/kernel/cacheinfo.c @@ -64,7 +64,6 @@ uintptr_t get_cache_geometry(u32 level, enum cache_type type) } static void ci_leaf_init(struct cacheinfo *this_leaf, - struct device_node *node, enum cache_type type, unsigned int level) { this_leaf->level = level; @@ -80,11 +79,11 @@ int populate_cache_leaves(unsigned int cpu) int levels = 1, level = 1; if (of_property_read_bool(np, "cache-size")) - ci_leaf_init(this_leaf++, np, CACHE_TYPE_UNIFIED, level); + ci_leaf_init(this_leaf++, CACHE_TYPE_UNIFIED, level); if (of_property_read_bool(np, "i-cache-size")) - ci_leaf_init(this_leaf++, np, CACHE_TYPE_INST, level); + ci_leaf_init(this_leaf++, CACHE_TYPE_INST, level); if (of_property_read_bool(np, "d-cache-size")) - ci_leaf_init(this_leaf++, np, CACHE_TYPE_DATA, level); + ci_leaf_init(this_leaf++, CACHE_TYPE_DATA, level); prev = np; while ((np = of_find_next_cache_node(np))) { @@ -97,11 +96,11 @@ int populate_cache_leaves(unsigned int cpu) if (level <= levels) break; if (of_property_read_bool(np, "cache-size")) - ci_leaf_init(this_leaf++, np, CACHE_TYPE_UNIFIED, level); + ci_leaf_init(this_leaf++, CACHE_TYPE_UNIFIED, level); if (of_property_read_bool(np, "i-cache-size")) - ci_leaf_init(this_leaf++, np, CACHE_TYPE_INST, level); + ci_leaf_init(this_leaf++, CACHE_TYPE_INST, level); if (of_property_read_bool(np, "d-cache-size")) - ci_leaf_init(this_leaf++, np, CACHE_TYPE_DATA, level); + ci_leaf_init(this_leaf++, CACHE_TYPE_DATA, level); levels = level; } of_node_put(np); From patchwork Mon Jan 29 07:59:57 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: JeeHeng Sia X-Patchwork-Id: 13535140 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 4ADCEC48285 for ; Mon, 29 Jan 2024 08:00:28 +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-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=hb0MpOrsRYcW+FaVv1PoNRrXPs3D5HEN6qLWPHitTlE=; b=ceuFSDvKrCIbpN odEyu3Dr9Allg8dnwIrOEgEpV6QewOMl6ndXTIrRUwQhHsinJiUZHoknKcDWNjl3EdqLhEe1gsp6f D15vMoXgODRKctkc6o4RR5etFaHUBuwG59cOHU7rwV/lBT/Dasv6ywwjDMR7QsRIEB+/MDqJsKxSw 1nA+wmsb7mcscAi2FZHr38Gv72I7/RQCKaDbOUzFPffNeUoxc6OdtblSzkYrtDGa4eIZ36xV+SFqB s6ndpayP035AzJvp+HIJoRSInxCBhBzvELeyg1e/Q8rzT32k70w6tCxk/aJG7eH468tdeHkflIvBJ sLgLQwA5NDLO7enlLv3w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rUMZ7-0000000Bh9T-1iGH; Mon, 29 Jan 2024 08:00:25 +0000 Received: from mail-bjschn02on20606.outbound.protection.partner.outlook.cn ([2406:e500:4440:2::606] helo=CHN02-BJS-obe.outbound.protection.partner.outlook.cn) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rUMZ3-0000000Bh6j-4AJh for linux-riscv@lists.infradead.org; Mon, 29 Jan 2024 08:00:23 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=GBpD6b5zXHFdgRDXm+lljp8fY5yS3eIYRrO0ldSMXOkG5yBNQn4ESSnH3lyMA7sZFF9gcqqRkmCtTvtrHyi8FpnPVDb96YlkT+gp4qcUPj7CDrQYiXZodFZcUq2VdmQPHgNHBx/TIUyAirVfkcMKo711Ju9bbIneJ4vwo5OGNdgP0eKDZtMqhkQa6cLs3jGlRyk6RaXdL8WNihhG6iMudguzAmMoppUlsJE8D9KjEPUeFC93e9VEK6bE9q6w5hwdWLkjDZHM3B6KbxtxQ1bLloTlZAGUh3xjOXSTf10xZfDkh1S17JJVbQJg+756OcjflEIViOKE0/eB0BoTveFPnw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=vclcctiJ5OWYZEDxb0dc61vfmQgN9P7BWRd1qswym/8=; b=FLDYCl0dIi2dHBvbFH8j6gvcHW5DsVNKlfjP4865BCeTZvXYveXMPSkfdmfC+DQg6k6O18JOHljT7Mm5nIDk+9ZNGiUiT7y7ohHb54varInOBX1zmwpLGSnxVONUFGcqG/o1q6pdkkIWDN3UrIa35hRmu8Hy3hfd4gq2avLkyPKK0eZzgObXlIw5Ic/abV51PbR7MLBv4D6TdUtghqYn+gXskDZwc7NWNUx8WekxWdsr8XjZ6APKUinNXLojGO5ZqK5nPDESYNAtwiofoq+9JQO7HHmY5K1w5PgYli0u95mOZu8XkFY5Wmgd3z45Fb4Bz/Zt9IPPUvqmcNrJlDNMmQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=starfivetech.com; dmarc=pass action=none header.from=starfivetech.com; dkim=pass header.d=starfivetech.com; arc=none Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=starfivetech.com; Received: from BJSPR01MB0561.CHNPR01.prod.partner.outlook.cn (2406:e500:c211:f::16) by BJSPR01MB0545.CHNPR01.prod.partner.outlook.cn (2406:e500:c211:f::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7228.31; Mon, 29 Jan 2024 08:00:20 +0000 Received: from BJSPR01MB0561.CHNPR01.prod.partner.outlook.cn ([fe80::3862:65b4:c857:c4a6]) by BJSPR01MB0561.CHNPR01.prod.partner.outlook.cn ([fe80::3862:65b4:c857:c4a6%4]) with mapi id 15.20.7228.029; Mon, 29 Jan 2024 08:00:20 +0000 From: Sia Jee Heng To: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Cc: paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, sudeep.holla@arm.com, jeeheng.sia@starfivetech.com, robh@kernel.org, conor.dooley@microchip.com, suagrfillet@gmail.com Subject: [RFC v1 2/2] riscv: cacheinfo: Refactor populate_cache_leaves() Date: Sun, 28 Jan 2024 23:59:57 -0800 Message-Id: <20240129075957.116033-3-jeeheng.sia@starfivetech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240129075957.116033-1-jeeheng.sia@starfivetech.com> References: <20240129075957.116033-1-jeeheng.sia@starfivetech.com> X-ClientProxiedBy: NT0PR01CA0031.CHNPR01.prod.partner.outlook.cn (2406:e500:c510:c::14) To BJSPR01MB0561.CHNPR01.prod.partner.outlook.cn (2406:e500:c211:f::16) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BJSPR01MB0561:EE_|BJSPR01MB0545:EE_ X-MS-Office365-Filtering-Correlation-Id: 39db1208-901c-4394-73ac-08dc20a056af X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BJSPR01MB0561.CHNPR01.prod.partner.outlook.cn;PTR:;CAT:NONE;SFS:(13230031)(366004)(136003)(346002)(396003)(39830400003)(230922051799003)(186009)(1800799012)(64100799003)(451199024)(38350700005)(41320700001)(2616005)(2906002)(52116002)(5660300002)(6666004)(66946007)(66556008)(4326008)(26005)(1076003)(66476007)(8676002)(8936002)(38100700002)(83380400001)(508600001)(41300700001)(40180700001)(86362001)(40160700002)(36756003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: starfivetech.com X-MS-Exchange-CrossTenant-Network-Message-Id: 39db1208-901c-4394-73ac-08dc20a056af X-MS-Exchange-CrossTenant-AuthSource: BJSPR01MB0561.CHNPR01.prod.partner.outlook.cn X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Jan 2024 08:00:20.4008 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 06fe3fa3-1221-43d3-861b-5a4ee687a85c X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: MBeGMM+s+mkZnU+3A6aVRXydgcO+jJnxc+cIoBOkFBrTUMt+HLb4RRvhce9g3nFycWfyul6IELK63z2SHUdyWJlu2Vz6/u8nSO+TCp3iF+c= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BJSPR01MB0545 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240129_000022_068663_7A42C771 X-CRM114-Status: GOOD ( 11.68 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Refactoring the cache population function to support both DT and ACPI-based platforms. Signed-off-by: Sia Jee Heng --- arch/riscv/kernel/cacheinfo.c | 47 ++++++++++++++--------------------- 1 file changed, 19 insertions(+), 28 deletions(-) diff --git a/arch/riscv/kernel/cacheinfo.c b/arch/riscv/kernel/cacheinfo.c index 30a6878287ad..f10e26fb75b6 100644 --- a/arch/riscv/kernel/cacheinfo.c +++ b/arch/riscv/kernel/cacheinfo.c @@ -74,36 +74,27 @@ int populate_cache_leaves(unsigned int cpu) { struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu); struct cacheinfo *this_leaf = this_cpu_ci->info_list; - struct device_node *np = of_cpu_device_node_get(cpu); - struct device_node *prev = NULL; - int levels = 1, level = 1; - - if (of_property_read_bool(np, "cache-size")) - ci_leaf_init(this_leaf++, CACHE_TYPE_UNIFIED, level); - if (of_property_read_bool(np, "i-cache-size")) - ci_leaf_init(this_leaf++, CACHE_TYPE_INST, level); - if (of_property_read_bool(np, "d-cache-size")) - ci_leaf_init(this_leaf++, CACHE_TYPE_DATA, level); - - prev = np; - while ((np = of_find_next_cache_node(np))) { - of_node_put(prev); - prev = np; - if (!of_device_is_compatible(np, "cache")) - break; - if (of_property_read_u32(np, "cache-level", &level)) - break; - if (level <= levels) - break; - if (of_property_read_bool(np, "cache-size")) - ci_leaf_init(this_leaf++, CACHE_TYPE_UNIFIED, level); - if (of_property_read_bool(np, "i-cache-size")) - ci_leaf_init(this_leaf++, CACHE_TYPE_INST, level); - if (of_property_read_bool(np, "d-cache-size")) + unsigned int level, idx; + + for (idx = 0, level = 1; level <= this_cpu_ci->num_levels && + idx < this_cpu_ci->num_leaves; idx++, level++) { + /* + * Since the RISC-V architecture doesn't provide any register for detecting the + * Cache Level and Cache type, this assumes that: + * - There cannot be any split caches (data/instruction) above a unified cache. + * - Data/instruction caches come in pairs. + * - Significant work is required elsewhere to fully support data/instruction-only + * type caches. + * - The above assumptions are based on conventional system design and known + * examples. + */ + if (level == 1) { ci_leaf_init(this_leaf++, CACHE_TYPE_DATA, level); - levels = level; + ci_leaf_init(this_leaf++, CACHE_TYPE_INST, level); + } else { + ci_leaf_init(this_leaf++, CACHE_TYPE_UNIFIED, level); + } } - of_node_put(np); return 0; }