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=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 F06E8C43331 for ; Thu, 5 Sep 2019 14:46:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 31041206CD for ; Thu, 5 Sep 2019 14:46:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=flygoat.com header.i=@flygoat.com header.b="Ijf9ltaf" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389886AbfIEOqU (ORCPT ); Thu, 5 Sep 2019 10:46:20 -0400 Received: from forward100p.mail.yandex.net ([77.88.28.100]:58893 "EHLO forward100p.mail.yandex.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728918AbfIEOqT (ORCPT ); Thu, 5 Sep 2019 10:46:19 -0400 Received: from mxback16j.mail.yandex.net (mxback16j.mail.yandex.net [IPv6:2a02:6b8:0:1619::92]) by forward100p.mail.yandex.net (Yandex) with ESMTP id 4C4C7598117D; Thu, 5 Sep 2019 17:46:16 +0300 (MSK) Received: from smtp2o.mail.yandex.net (smtp2o.mail.yandex.net [2a02:6b8:0:1a2d::26]) by mxback16j.mail.yandex.net (nwsmtp/Yandex) with ESMTP id 4wniqpzpPT-kFhWBwmx; Thu, 05 Sep 2019 17:46:16 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=flygoat.com; s=mail; t=1567694776; bh=lGWrm07yEb+iDYbXl6MNXFFYrFAuttvAedBfbL1LKfs=; h=In-Reply-To:Subject:To:From:Cc:References:Date:Message-Id; b=Ijf9ltaf54iJMiLL1kKYhyq7mf4/CahwjIJMu21eJLhPDIt6ghoal5bVwqqrh7O6d GrScwxqWKgtFMSh2w5nXRFL1EwJEQgwsU/xBYOMt+PUkYNlMRYb4VXwQcGAnp9BdOk fdJpSyzCL0PbTmZPy/Zc+aRGpCMbcD1VmTBvWGqE= Authentication-Results: mxback16j.mail.yandex.net; dkim=pass header.i=@flygoat.com Received: by smtp2o.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id zkoybIaMjG-k2xW8q8W; Thu, 05 Sep 2019 17:46:14 +0300 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client certificate not present) From: Jiaxun Yang To: linux-mips@vger.kernel.org Cc: chenhc@lemote.com, paul.burton@mips.com, tglx@linutronix.de, jason@lakedaemon.net, maz@kernel.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, mark.rutland@arm.co, devicetree@vger.kernel.org, Jiaxun Yang Subject: [PATCH v2 10/19] irqchip: mips-cpu: Convert to simple domain Date: Thu, 5 Sep 2019 22:43:07 +0800 Message-Id: <20190905144316.12527-11-jiaxun.yang@flygoat.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190905144316.12527-1-jiaxun.yang@flygoat.com> References: <20190905144316.12527-1-jiaxun.yang@flygoat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 being preallocated. However, when MIPS_CPU_IRQ_BASE >= 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_desc 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_node *of_node) clear_c0_status(ST0_IM); clear_c0_cause(CAUSEF_IP); - irq_domain = irq_domain_add_legacy(of_node, 8, MIPS_CPU_IRQ_BASE, 0, + irq_domain = irq_domain_add_simple(of_node, 8, MIPS_CPU_IRQ_BASE, &mips_cpu_intc_irq_domain_ops, NULL); if (!irq_domain) -- 2.22.0