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=-9.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 0C48CC11D28 for ; Fri, 21 Feb 2020 05:13:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D86CC208E4 for ; Fri, 21 Feb 2020 05:13:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=flygoat.com header.i=jiaxun.yang@flygoat.com header.b="bErcOkfH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728037AbgBUFNd (ORCPT ); Fri, 21 Feb 2020 00:13:33 -0500 Received: from sender3-op-o12.zoho.com.cn ([124.251.121.243]:17847 "EHLO sender3-op-o12.zoho.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725973AbgBUFNd (ORCPT ); Fri, 21 Feb 2020 00:13:33 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1582261967; s=mail; d=flygoat.com; i=jiaxun.yang@flygoat.com; h=From:To:Cc:Message-ID:Subject:Date:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Content-Type; bh=bdM/oVyHvlwhaJ5mV14mps3hkzcUh+yTBLugxOhi99k=; b=bErcOkfHUJnWWmCo2NBtyQLLXMx3HYhVN4/FOMnguKhn+yjub9eVpAdqm33Z7oyK 3yBhjvYSu8+rb1/x4h3GT46adlqGdbe1Utiqa4t3Qx10VirAbZuuU9CwtijT+ATXNdD VHv/9oKg27NkTMxgcZ7OEQ3oEn4dnaHleLpUdIzg= Received: from localhost.localdomain (39.155.141.144 [39.155.141.144]) by mx.zoho.com.cn with SMTPS id 1582261966089104.86342790163371; Fri, 21 Feb 2020 13:12:46 +0800 (CST) From: Jiaxun Yang To: linux-mips@vger.kernel.org Cc: Jiaxun Yang , Thomas Gleixner , Jason Cooper , Marc Zyngier , Rob Herring , Mark Rutland , Ralf Baechle , Paul Burton , Huacai Chen , Greg Kroah-Hartman , Allison Randal , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Message-ID: <20200221050942.507775-6-jiaxun.yang@flygoat.com> Subject: [PATCH v4 05/10] irqchip: mips-cpu: Convert to simple domain Date: Fri, 21 Feb 2020 13:09:20 +0800 X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200221050942.507775-1-jiaxun.yang@flygoat.com> References: <20200221050942.507775-1-jiaxun.yang@flygoat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoCNMailClient: External Content-Type: text/plain; charset=utf8 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The old code is using legacy domain to setup irq_domain for CPU interrupts which requires irq_desc to be preallocated. However, when MIPS_CPU_IRQ_BASE >=3D 16, irq_desc for CPU IRQs may end up unallocated and lead to incorrect behavior. Thus we convert the legacy domain to simple domain which can allocate irq_d= esc during initialization. Signed-off-by: Jiaxun Yang --- drivers/irqchip/irq-mips-cpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-mips-cpu.c b/drivers/irqchip/irq-mips-cpu.= c index 95d4fd8f7a96..c3cf7fa76424 100644 --- a/drivers/irqchip/irq-mips-cpu.c +++ b/drivers/irqchip/irq-mips-cpu.c @@ -251,7 +251,7 @@ static void __init __mips_cpu_irq_init(struct device_no= de *of_node) =09clear_c0_status(ST0_IM); =09clear_c0_cause(CAUSEF_IP); =20 -=09irq_domain =3D irq_domain_add_legacy(of_node, 8, MIPS_CPU_IRQ_BASE, 0, +=09irq_domain =3D irq_domain_add_simple(of_node, 8, MIPS_CPU_IRQ_BASE, =09=09=09=09=09 &mips_cpu_intc_irq_domain_ops, =09=09=09=09=09 NULL); =09if (!irq_domain) --=20 2.25.0