From patchwork Tue Aug 27 08:52:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiaxun Yang X-Patchwork-Id: 11116433 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 08A961399 for ; Tue, 27 Aug 2019 08:54:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D0FAC21872 for ; Tue, 27 Aug 2019 08:54:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=flygoat.com header.i=@flygoat.com header.b="mgxy0CGc" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726091AbfH0Iyu (ORCPT ); Tue, 27 Aug 2019 04:54:50 -0400 Received: from forward103p.mail.yandex.net ([77.88.28.106]:47844 "EHLO forward103p.mail.yandex.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729600AbfH0Iyu (ORCPT ); Tue, 27 Aug 2019 04:54:50 -0400 Received: from mxback5o.mail.yandex.net (mxback5o.mail.yandex.net [IPv6:2a02:6b8:0:1a2d::1f]) by forward103p.mail.yandex.net (Yandex) with ESMTP id E781B18C06D6; Tue, 27 Aug 2019 11:54:47 +0300 (MSK) Received: from smtp1p.mail.yandex.net (smtp1p.mail.yandex.net [2a02:6b8:0:1472:2741:0:8b6:6]) by mxback5o.mail.yandex.net (nwsmtp/Yandex) with ESMTP id bGqLoqeX6o-sliWgxAQ; Tue, 27 Aug 2019 11:54:47 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=flygoat.com; s=mail; t=1566896087; bh=lGWrm07yEb+iDYbXl6MNXFFYrFAuttvAedBfbL1LKfs=; h=In-Reply-To:Subject:To:From:Cc:References:Date:Message-Id; b=mgxy0CGcJd7PFBjv4r1CFiD/p+bdHfc/oqo43KxX18vsKUIoOIhG1zGKVxIKxZSLt +IoaggXz519wa0CtjxMhDAq71CsXOAlRoK1h2jQWlfXKTacihq9cqqS9UQ2DvtGKOd 2W4ck6Gfw9zFiyCvh2IuwsLsU/IFuXp7EFXIef0M= Authentication-Results: mxback5o.mail.yandex.net; dkim=pass header.i=@flygoat.com Received: by smtp1p.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id JOqUfE8LDO-sftCBi7A; Tue, 27 Aug 2019 11:54:46 +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 09/13] irqchip: mips-cpu: Convert to simple domain Date: Tue, 27 Aug 2019 16:52:58 +0800 Message-Id: <20190827085302.5197-10-jiaxun.yang@flygoat.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190827085302.5197-1-jiaxun.yang@flygoat.com> References: <20190827085302.5197-1-jiaxun.yang@flygoat.com> MIME-Version: 1.0 Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@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)