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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 5CA77C43381 for ; Mon, 15 Mar 2021 11:57:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3C43564E90 for ; Mon, 15 Mar 2021 11:57:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230299AbhCOL4u (ORCPT ); Mon, 15 Mar 2021 07:56:50 -0400 Received: from foss.arm.com ([217.140.110.172]:35040 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229844AbhCOL4j (ORCPT ); Mon, 15 Mar 2021 07:56:39 -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 8C096ED1; Mon, 15 Mar 2021 04:56:39 -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 530F73F792; Mon, 15 Mar 2021 04:56:38 -0700 (PDT) From: Mark Rutland To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, will@kernel.org, catalin.marinas@arm.com Cc: james.morse@arm.com, marcan@marcan.st, mark.rutland@arm.com, maz@kernel.org, tglx@linutronix.de Subject: [PATCHv3 1/6] genirq: Allow architectures to override set_handle_irq() fallback Date: Mon, 15 Mar 2021 11:56:24 +0000 Message-Id: <20210315115629.57191-2-mark.rutland@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20210315115629.57191-1-mark.rutland@arm.com> References: <20210315115629.57191-1-mark.rutland@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Marc Zyngier Some architectures want to provide the generic set_handle_irq() API, but for structural reasons need to provide their own implementation. For example, arm64 needs to do this to provide uniform set_handle_irq() and set_handle_fiq() registration functions. Make this possible by allowing architectures to provide their own implementation of set_handle_irq when CONFIG_GENERIC_IRQ_MULTI_HANDLER is not selected. Signed-off-by: Marc Zyngier [Mark: expand commit message] Signed-off-by: Mark Rutland Tested-by: Hector Martin Cc: Catalin Marinas Cc: James Morse Cc: Thomas Gleixner Cc: Will Deacon --- include/linux/irq.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/irq.h b/include/linux/irq.h index 2efde6a79b7e..9890180b84fd 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -1258,11 +1258,13 @@ int __init set_handle_irq(void (*handle_irq)(struct pt_regs *)); */ extern void (*handle_arch_irq)(struct pt_regs *) __ro_after_init; #else +#ifndef set_handle_irq #define set_handle_irq(handle_irq) \ do { \ (void)handle_irq; \ WARN_ON(1); \ } while (0) #endif +#endif #endif /* _LINUX_IRQ_H */ -- 2.11.0