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, 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 DA20FC41621 for ; Tue, 24 Mar 2020 15:41:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A941D2073E for ; Tue, 24 Mar 2020 15:41:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=flygoat.com header.i=jiaxun.yang@flygoat.com header.b="XCjISrZ9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728743AbgCXPlW (ORCPT ); Tue, 24 Mar 2020 11:41:22 -0400 Received: from sender3-op-o12.zoho.com.cn ([124.251.121.243]:17809 "EHLO sender3-op-o12.zoho.com.cn" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727510AbgCXPlW (ORCPT ); Tue, 24 Mar 2020 11:41:22 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1585064299; 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=/2lzGckd44y7J3i8bIgDra9A9mus3vdjKhhw5nanvI0=; b=XCjISrZ9zlFOR8/lqe/aheiantPiD9d0DXcU1cKAexkgj3+b2QefhU5XtkKKCNnR Nziduw+XFKxju0FCx0aBhfhUmEZiUdjg+R7iLF7lbct59R5/LBUDlK2Bnh2BuZBDQaE bD7TeG7+iY6bT8eTFZZwgBGhfTmREVK1BTpXzPi8= Received: from localhost.localdomain (39.155.141.144 [39.155.141.144]) by mx.zoho.com.cn with SMTPS id 1585064296717138.06027004625264; Tue, 24 Mar 2020 23:38:16 +0800 (CST) From: Jiaxun Yang To: linux-mips@vger.kernel.org Cc: Jiaxun Yang , Huacai Chen , Thomas Gleixner , Jason Cooper , Marc Zyngier , Rob Herring , Mark Rutland , Thomas Bogendoerfer , Allison Randal , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Message-ID: <20200324153624.23109-7-jiaxun.yang@flygoat.com> Subject: [PATCH v6 06/11] irqchip: mips-cpu: Convert to simple domain Date: Tue, 24 Mar 2020 23:36:03 +0800 X-Mailer: git-send-email 2.26.0.rc2 In-Reply-To: <20200324153624.23109-1-jiaxun.yang@flygoat.com> References: <20200324153624.23109-1-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. Co-developed-by: Huacai Chen 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 2.26.0.rc2