From patchwork Thu Mar 25 09:00:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kishon Vijay Abraham I X-Patchwork-Id: 409008 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 7CF87C433E6 for ; Thu, 25 Mar 2021 09:01:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 54DE661A27 for ; Thu, 25 Mar 2021 09:01:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229622AbhCYJBI (ORCPT ); Thu, 25 Mar 2021 05:01:08 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:49414 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229617AbhCYJBC (ORCPT ); Thu, 25 Mar 2021 05:01:02 -0400 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 12P90ieq035055; Thu, 25 Mar 2021 04:00:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1616662844; bh=abH1W5WXyijsp3MpriPtz1CV3oRWfYGjXmRCI8jXfHw=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=lM2KiiKkp96TVlEqMMbEPuTxv1ikOMSktPK+iUxy7v6cTZe+/WmWXoNBpBOyhe6Iz EYULf55yXukDGF1q2ZgKSIlnqUlD6itch/SmschQGS1mUduTrDk+52igdtxJ97V5Se bGvk9FuxEPzRnUd6FsRl1PS/Cj+dL2RNvsPhHBqs= Received: from DFLE100.ent.ti.com (dfle100.ent.ti.com [10.64.6.21]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 12P90imA008768 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 25 Mar 2021 04:00:44 -0500 Received: from DFLE105.ent.ti.com (10.64.6.26) by DFLE100.ent.ti.com (10.64.6.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Thu, 25 Mar 2021 04:00:44 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE105.ent.ti.com (10.64.6.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2 via Frontend Transport; Thu, 25 Mar 2021 04:00:44 -0500 Received: from a0393678-ssd.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 12P90RkA115556; Thu, 25 Mar 2021 04:00:40 -0500 From: Kishon Vijay Abraham I To: Kishon Vijay Abraham I , Bjorn Helgaas , Rob Herring , Lorenzo Pieralisi , Marc Zyngier CC: , , , , Lokesh Vutla Subject: [PATCH 3/6] irqdomain: Export of_phandle_args_to_fwspec() Date: Thu, 25 Mar 2021 14:30:23 +0530 Message-ID: <20210325090026.8843-4-kishon@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210325090026.8843-1-kishon@ti.com> References: <20210325090026.8843-1-kishon@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Export of_phandle_args_to_fwspec() to be used by drivers. of_phandle_args_to_fwspec() can be used by drivers to get irq specifier from device node useful while creating hierarchy domain. This was suggested by Marc Zyngier [1]. [1] -> http://lore.kernel.org/r/20190223121143.14c1f150@why.wild-wind.fr.eu.org/ Signed-off-by: Kishon Vijay Abraham I --- include/linux/irqdomain.h | 2 ++ kernel/irq/irqdomain.c | 6 +++--- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 42d196805f58..0236f508259e 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -391,6 +391,8 @@ extern void irq_domain_associate_many(struct irq_domain *domain, extern unsigned int irq_create_mapping_affinity(struct irq_domain *host, irq_hw_number_t hwirq, const struct irq_affinity_desc *affinity); +void of_phandle_args_to_fwspec(struct device_node *np, const u32 *args, unsigned int count, + struct irq_fwspec *fwspec); extern unsigned int irq_create_fwspec_mapping(struct irq_fwspec *fwspec); extern void irq_dispose_mapping(unsigned int virq); diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 288151393a06..70f050741ab2 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -756,9 +756,8 @@ static int irq_domain_translate(struct irq_domain *d, return 0; } -static void of_phandle_args_to_fwspec(struct device_node *np, const u32 *args, - unsigned int count, - struct irq_fwspec *fwspec) +void of_phandle_args_to_fwspec(struct device_node *np, const u32 *args, unsigned int count, + struct irq_fwspec *fwspec) { int i; @@ -768,6 +767,7 @@ static void of_phandle_args_to_fwspec(struct device_node *np, const u32 *args, for (i = 0; i < count; i++) fwspec->param[i] = args[i]; } +EXPORT_SYMBOL_GPL(of_phandle_args_to_fwspec); unsigned int irq_create_fwspec_mapping(struct irq_fwspec *fwspec) {