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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A065AC433EF for ; Tue, 26 Oct 2021 09:25:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 87A6060C49 for ; Tue, 26 Oct 2021 09:25:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234844AbhJZJ1y (ORCPT ); Tue, 26 Oct 2021 05:27:54 -0400 Received: from foss.arm.com ([217.140.110.172]:55408 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234826AbhJZJ1w (ORCPT ); Tue, 26 Oct 2021 05:27:52 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id AD5A113A1; Tue, 26 Oct 2021 02:25:28 -0700 (PDT) Received: from lakrids.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.121.207.14]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 02A693F70D; Tue, 26 Oct 2021 02:25:25 -0700 (PDT) From: Mark Rutland To: linux-kernel@vger.kernel.org Cc: aou@eecs.berkeley.edu, catalin.marinas@arm.com, deanbo422@gmail.com, green.hu@gmail.com, guoren@kernel.org, jonas@southpole.se, kernelfans@gmail.com, linux-arm-kernel@lists.infradead.org, linux@armlinux.org.uk, mark.rutland@arm.com, maz@kernel.org, nickhu@andestech.com, palmer@dabbelt.com, paul.walmsley@sifive.com, shorne@gmail.com, stefan.kristiansson@saunalahti.fi, tglx@linutronix.de, tsbogend@alpha.franken.de, vgupta@kernel.org, vladimir.murzin@arm.com, will@kernel.org Subject: [PATCH v2 04/17] irq: mips: simplify do_domain_IRQ() Date: Tue, 26 Oct 2021 10:24:51 +0100 Message-Id: <20211026092504.27071-5-mark.rutland@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20211026092504.27071-1-mark.rutland@arm.com> References: <20211026092504.27071-1-mark.rutland@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There's no need fpr arch/mips's do_domain_IRQ() to open-code the NULL check performed by handle_irq_desc(), nor the resolution of the desc performed by generic_handle_domain_irq(). Use generic_handle_domain_irq() directly, as this is functioanlly equivalent and clearer. There should be no functional change as a result of this patch. Signed-off-by: Mark Rutland Reviewed-by: Marc Zyngier Acked-by: Thomas Bogendoerfer Cc: Thomas Gleixner --- arch/mips/kernel/irq.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c index d20e002b3246..1fee96ef8059 100644 --- a/arch/mips/kernel/irq.c +++ b/arch/mips/kernel/irq.c @@ -115,11 +115,7 @@ void __irq_entry do_domain_IRQ(struct irq_domain *domain, unsigned int hwirq) irq_enter(); check_stack_overflow(); - - desc = irq_resolve_mapping(domain, hwirq); - if (likely(desc)) - handle_irq_desc(desc); - + generic_handle_domain_irq(domain, hwirq); irq_exit(); } #endif -- 2.11.0