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 61498C11F66 for ; Tue, 29 Jun 2021 12:51:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 49E1661DD4 for ; Tue, 29 Jun 2021 12:51:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233877AbhF2Mx3 (ORCPT ); Tue, 29 Jun 2021 08:53:29 -0400 Received: from foss.arm.com ([217.140.110.172]:50376 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233827AbhF2MxQ (ORCPT ); Tue, 29 Jun 2021 08:53:16 -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 E886111D4; Tue, 29 Jun 2021 05:50:48 -0700 (PDT) Received: from e113632-lin.cambridge.arm.com (e113632-lin.cambridge.arm.com [10.1.194.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id E7F3E3F718; Tue, 29 Jun 2021 05:50:47 -0700 (PDT) From: Valentin Schneider To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Marc Zyngier , Thomas Gleixner , Lorenzo Pieralisi , Vincenzo Frascino Subject: [PATCH v3 02/13] genirq: Define ack_irq() and eoi_irq() helpers Date: Tue, 29 Jun 2021 13:49:59 +0100 Message-Id: <20210629125010.458872-3-valentin.schneider@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210629125010.458872-1-valentin.schneider@arm.com> References: <20210629125010.458872-1-valentin.schneider@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The newly-added IRQCHIP_AUTOMASKS_FLOW flag requires some additional bookkeeping around chip->{irq_ack, irq_eoi}() calls. Define wrappers around those chip callbacks to drive the IRQD_IRQ_FLOW_MASKED state of an IRQ when the chip has the IRQCHIP_AUTOMASKS_FLOW flag. Signed-off-by: Valentin Schneider --- kernel/irq/chip.c | 16 ++++++++++++++++ kernel/irq/internals.h | 2 ++ 2 files changed, 18 insertions(+) diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 21a21baa1366..793dbd8307b9 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -408,6 +408,22 @@ void irq_percpu_disable(struct irq_desc *desc, unsigned int cpu) cpumask_clear_cpu(cpu, desc->percpu_enabled); } +void ack_irq(struct irq_desc *desc) +{ + desc->irq_data.chip->irq_ack(&desc->irq_data); + + if (desc->irq_data.chip->flags & IRQCHIP_AUTOMASKS_FLOW) + irq_state_set_flow_masked(desc); +} + +void eoi_irq(struct irq_desc *desc) +{ + desc->irq_data.chip->irq_eoi(&desc->irq_data); + + if (desc->irq_data.chip->flags & IRQCHIP_AUTOMASKS_FLOW) + irq_state_clr_flow_masked(desc); +} + static inline void mask_ack_irq(struct irq_desc *desc) { if (desc->irq_data.chip->irq_mask_ack) { diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index b6c1cceddec0..6d6a621dc74c 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -87,6 +87,8 @@ extern void irq_enable(struct irq_desc *desc); extern void irq_disable(struct irq_desc *desc); extern void irq_percpu_enable(struct irq_desc *desc, unsigned int cpu); extern void irq_percpu_disable(struct irq_desc *desc, unsigned int cpu); +extern void ack_irq(struct irq_desc *desc); +extern void eoi_irq(struct irq_desc *desc); extern void mask_irq(struct irq_desc *desc); extern void unmask_irq(struct irq_desc *desc); extern void unmask_threaded_irq(struct irq_desc *desc); -- 2.25.1