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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46692C2D0BF for ; Tue, 10 Dec 2019 11:12:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0FBB020726 for ; Tue, 10 Dec 2019 11:12:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=sifive.com header.i=@sifive.com header.b="qQxbrYM3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727268AbfLJLMS (ORCPT ); Tue, 10 Dec 2019 06:12:18 -0500 Received: from mail-dm6nam10on2040.outbound.protection.outlook.com ([40.107.93.40]:6238 "EHLO NAM10-DM6-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727018AbfLJLMR (ORCPT ); Tue, 10 Dec 2019 06:12:17 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=IZgKU5Qwaxa0Rq8RN0lRD2uXsA7jozOKb+Wc8i+VtfzRd1VJ4+EooB+exvKnzxrkq1QFmlZUNwfjw4knx6UZJ5QPQbqSf9LXz4jq5D8LfiZN3qnJDRe3rHyzWFH/ym7OKOKoVf57M5kmCN5YonjVoX/ia3ir1CvS0ZEmr7zmgpqLJWrOBDEywldweCq7pv+N5TOZ7qguCRbplph7GSJ9EuCqNOD9KluzGI3Vx4o+VPn1yDeTPU34EnQXnWlUSN3bWk1pdir9rr6xoWOsYuoRWvRW9a89fc91kxWf/iaDOqE4I8hZQQZ9mKPhb+tDn6/xkrTNYS36UVXn4CdomoZrJw== 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-SenderADCheck; bh=YbCalaTn2X7HF4eRtvgddainZMNLa53BndvIrXNSIWM=; b=CU+vbEvlN974++ikVC9Bo61UmwUvinnCqq3q+SUV/bwc5NHqTvPA90yJbR8qFZe4JswuUb2XBObC2Fl92LpQq/FNI2KXrT+k/KTI1UlPDhgYSMtD54gbkN+xYOnpECGVXKHxbinxty7TA4iiUFNnH+DmW55msOpP/PxQLp5YFtgN3OepuJj8x2mkTqMd3U5CPfOV51a11ysCVvHuIKeqbcysnLhEmYqeU0I2jAKA2lHZ69IvPnO4Agh2a1FRCidmPXP8iqGOeVffD3h9gDOoAxA0xF5ZAw4s4SrXKqDWGTz670Y/lXtnQoankb33S+PRua2WvQwTAC1wmK/PxRInng== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=sifive.com; dmarc=pass action=none header.from=sifive.com; dkim=pass header.d=sifive.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=YbCalaTn2X7HF4eRtvgddainZMNLa53BndvIrXNSIWM=; b=qQxbrYM3VMr8uChXawMgU/us8WnmKTrxnD5Kou57ZmgaTLzhc2thyh8WzZGjPRt5+pGJprOJD+jAYbE/oTgns42K1a2wi4FAOmTqvrcYsoAYNP600AK3x2IecsDJCnjP85EfuFK/YQgk0O4W9qe6j6+Sa3OM8ILKxYBxktrzF6M= Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=yash.shah@sifive.com; Received: from CH2PR13MB3368.namprd13.prod.outlook.com (52.132.246.90) by CH2PR13MB3656.namprd13.prod.outlook.com (20.180.4.204) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2538.14; Tue, 10 Dec 2019 11:11:44 +0000 Received: from CH2PR13MB3368.namprd13.prod.outlook.com ([fe80::eccb:16ac:e897:85d5]) by CH2PR13MB3368.namprd13.prod.outlook.com ([fe80::eccb:16ac:e897:85d5%3]) with mapi id 15.20.2538.012; Tue, 10 Dec 2019 11:11:44 +0000 From: Yash Shah To: linus.walleij@linaro.org, bgolaszewski@baylibre.com, robh+dt@kernel.org, mark.rutland@arm.com, palmer@dabbelt.com, paul.walmsley@sifive.com Cc: aou@eecs.berkeley.edu, tglx@linutronix.de, jason@lakedaemon.net, maz@kernel.org, bmeng.cn@gmail.com, atish.patra@wdc.com, sagar.kadam@sifive.com, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, sachin.ghadi@sifive.com, Yash Shah Subject: [PATCH v4 1/6] genirq: introduce irq_domain_translate_onecell Date: Tue, 10 Dec 2019 16:41:09 +0530 Message-Id: <1575976274-13487-2-git-send-email-yash.shah@sifive.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1575976274-13487-1-git-send-email-yash.shah@sifive.com> References: <1575976274-13487-1-git-send-email-yash.shah@sifive.com> Content-Type: text/plain X-ClientProxiedBy: PN1PR0101CA0028.INDPRD01.PROD.OUTLOOK.COM (2603:1096:c00:c::14) To CH2PR13MB3368.namprd13.prod.outlook.com (2603:10b6:610:2c::26) MIME-Version: 1.0 Received: from dhananjayk-PowerEdge-R620.open-silicon.com (114.143.65.226) by PN1PR0101CA0028.INDPRD01.PROD.OUTLOOK.COM (2603:1096:c00:c::14) with Microsoft SMTP Server (version=TLS1_2, cipher=) via Frontend Transport; Tue, 10 Dec 2019 11:11:39 +0000 X-Mailer: git-send-email 2.7.4 X-Originating-IP: [114.143.65.226] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 8228d1a2-39fb-4756-38cc-08d77d61bd71 X-MS-TrafficTypeDiagnostic: CH2PR13MB3656: X-LD-Processed: 22f88e9d-ae0d-4ed9-b984-cdc9be1529f1,ExtAddr X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:2201; X-Forefront-PRVS: 02475B2A01 X-Forefront-Antispam-Report: SFV:NSPM;SFS:(10009020)(396003)(39850400004)(366004)(136003)(346002)(376002)(199004)(189003)(36756003)(66476007)(1006002)(107886003)(52116002)(6666004)(66946007)(6506007)(26005)(956004)(316002)(2616005)(81166006)(8936002)(81156014)(16526019)(186003)(8676002)(44832011)(6636002)(5660300002)(86362001)(6486002)(7416002)(66556008)(6512007)(4326008)(478600001)(2906002);DIR:OUT;SFP:1101;SCL:1;SRVR:CH2PR13MB3656;H:CH2PR13MB3368.namprd13.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; Received-SPF: None (protection.outlook.com: sifive.com does not designate permitted sender hosts) X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: XHRUh+TyfD8O0J13qczc8vdv91+bw/fvj0g6GLx42eVbjH5cal7IpuOajTg260yF4fRrEPC3NYakrCPUyyApA2SL8fkWDvqrISBa7KrQHseIUXE66CYHvvsDL2AzGgcEZlNDbaf48LYPKiU5EVhEMDqtet4KIQa8yFr60HKcWZMW+21aJ0ul9Mkinfi6OMLemu2DcU8U7XBIdLSy0qmsV6Z25fcgqy6zA55hdQX6ioonT5M9HQTVnzBDZxTIoIxxf9qLf3wQieFQJWAmtBnDqc+ZmdkriyOfUCLk8Oi1k5I1qlbStxVYWrhJpxH/rWqI2RdJbotlBwZ2hB7Fhb9IPDhVHBJvGxMY2HJWnJsNdSs8q+MIi4kh4Vs4e86AjqnsQQAlKcoBF9WKHRFvbtU+F/5zAxN+yg7t9z5b1M28JxX60hkaGnjeThzaZVfsgZ9F X-OriginatorOrg: sifive.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8228d1a2-39fb-4756-38cc-08d77d61bd71 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Dec 2019 11:11:44.1946 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 22f88e9d-ae0d-4ed9-b984-cdc9be1529f1 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: HOvu+lzzAoOJBYfbEd7kZExGsJMSDwucYOHgIgptRG+Nf0PM0DHI7Ybl1BVy/7Gmv8MfgBlZnob8bO109oyhrg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR13MB3656 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a new function irq_domain_translate_onecell() that is to be used as the translate function in struct irq_domain_ops. Signed-off-by: Yash Shah --- include/linux/irqdomain.h | 5 +++++ kernel/irq/irqdomain.c | 17 +++++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 583e7ab..cad9eb8 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -426,6 +426,11 @@ int irq_domain_translate_twocell(struct irq_domain *d, unsigned long *out_hwirq, unsigned int *out_type); +int irq_domain_translate_onecell(struct irq_domain *d, + struct irq_fwspec *fwspec, + unsigned long *out_hwirq, + unsigned int *out_type); + /* IPI functions */ int irq_reserve_ipi(struct irq_domain *domain, const struct cpumask *dest); int irq_destroy_ipi(unsigned int irq, const struct cpumask *dest); diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 132672b..cf57d87d 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -987,6 +987,23 @@ const struct irq_domain_ops irq_domain_simple_ops = { EXPORT_SYMBOL_GPL(irq_domain_simple_ops); /** + * irq_domain_translate_onecell() - Generic translate for direct one cell + * bindings + */ +int irq_domain_translate_onecell(struct irq_domain *d, + struct irq_fwspec *fwspec, + unsigned long *out_hwirq, + unsigned int *out_type) +{ + if (WARN_ON(fwspec->param_count < 1)) + return -EINVAL; + *out_hwirq = fwspec->param[0]; + *out_type = IRQ_TYPE_NONE; + return 0; +} +EXPORT_SYMBOL_GPL(irq_domain_translate_onecell); + +/** * irq_domain_translate_twocell() - Generic translate for direct two cell * bindings * -- 2.7.4