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=-8.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY, 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 95CC8C6783C for ; Fri, 12 Oct 2018 04:47:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 657C62087D for ; Fri, 12 Oct 2018 04:47:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 657C62087D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=c-sky.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727484AbeJLMR4 (ORCPT ); Fri, 12 Oct 2018 08:17:56 -0400 Received: from smtp2200-217.mail.aliyun.com ([121.197.200.217]:38539 "EHLO smtp2200-217.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726671AbeJLMRy (ORCPT ); Fri, 12 Oct 2018 08:17:54 -0400 X-Alimail-AntiSpam: AC=CONTINUE;BC=0.07439297|-1;CH=green;FP=0|0|0|0|0|-1|-1|-1;HT=e02c03305;MF=ren_guo@c-sky.com;NM=1;PH=DS;RN=17;RT=17;SR=0;TI=SMTPD_---.D0wB-DH_1539319630; Received: from localhost(mailfrom:ren_guo@c-sky.com fp:SMTPD_---.D0wB-DH_1539319630) by smtp.aliyun-inc.com(10.147.42.198); Fri, 12 Oct 2018 12:47:11 +0800 From: Guo Ren To: akpm@linux-foundation.org, arnd@arndb.de, daniel.lezcano@linaro.org, davem@davemloft.net, gregkh@linuxfoundation.org, hch@infradead.org, marc.zyngier@arm.com, mark.rutland@arm.com, peterz@infradead.org, robh@kernel.org, tglx@linutronix.de Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, devicetree@vger.kernel.org, robh+dt@kernel.org, c-sky_gcc_upstream@c-sky.com, Guo Ren Subject: [PATCH V8 10/21] csky: IRQ handling Date: Fri, 12 Oct 2018 12:42:45 +0800 Message-Id: <98ea23a33a809dc640ca80ae8a7e7eab65e3785b.1539315391.git.ren_guo@c-sky.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds IRQ handling files. Changelog: - Use CONFIG_GENERIC_IRQ_MULTI_HANDLER Signed-off-by: Guo Ren Cc: Thomas Gleixner --- arch/csky/include/asm/irqflags.h | 49 ++++++++++++++++++++++++++++++++++++++++ arch/csky/kernel/irq.c | 22 ++++++++++++++++++ 2 files changed, 71 insertions(+) create mode 100644 arch/csky/include/asm/irqflags.h create mode 100644 arch/csky/kernel/irq.c diff --git a/arch/csky/include/asm/irqflags.h b/arch/csky/include/asm/irqflags.h new file mode 100644 index 0000000..9e3a569 --- /dev/null +++ b/arch/csky/include/asm/irqflags.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef __ASM_CSKY_IRQFLAGS_H +#define __ASM_CSKY_IRQFLAGS_H +#include + +static inline unsigned long arch_local_irq_save(void) +{ + unsigned long flags; + + flags = mfcr("psr"); + asm volatile("psrclr ie\n":::"memory"); + return flags; +} +#define arch_local_irq_save arch_local_irq_save + +static inline void arch_local_irq_enable(void) +{ + asm volatile("psrset ee, ie\n":::"memory"); +} +#define arch_local_irq_enable arch_local_irq_enable + +static inline void arch_local_irq_disable(void) +{ + asm volatile("psrclr ie\n":::"memory"); +} +#define arch_local_irq_disable arch_local_irq_disable + +static inline unsigned long arch_local_save_flags(void) +{ + return mfcr("psr"); +} +#define arch_local_save_flags arch_local_save_flags + +static inline void arch_local_irq_restore(unsigned long flags) +{ + mtcr("psr", flags); +} +#define arch_local_irq_restore arch_local_irq_restore + +static inline int arch_irqs_disabled_flags(unsigned long flags) +{ + return !(flags & (1<<6)); +} +#define arch_irqs_disabled_flags arch_irqs_disabled_flags + +#include + +#endif /* __ASM_CSKY_IRQFLAGS_H */ diff --git a/arch/csky/kernel/irq.c b/arch/csky/kernel/irq.c new file mode 100644 index 0000000..03a1930 --- /dev/null +++ b/arch/csky/kernel/irq.c @@ -0,0 +1,22 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. + +#include +#include +#include +#include +#include +#include + +void __init init_IRQ(void) +{ + irqchip_init(); +#ifdef CONFIG_SMP + setup_smp_ipi(); +#endif +} + +asmlinkage void __irq_entry csky_do_IRQ(struct pt_regs *regs) +{ + handle_arch_irq(regs); +} -- 2.7.4