From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-3695236-1518513110-2-604837628382336132 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, FREEMAIL_FROM 0.001, RCVD_IN_DNSWL_NONE -0.0001, RCVD_IN_MSPIKE_H3 -0.01, RCVD_IN_MSPIKE_WL -0.01, SPF_PASS -0.001, LANGUAGES daensv, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='74.125.83.67', Host='mail-pg0-f67.google.com', Country='US', FromHeader='com', MailFrom='com' X-Spam-charsets: X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: green.hu@gmail.com ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1518513109; b=Itg+Jp4vmQagOu+hvoGJB8N6tRpbwhIstkFIazN1z2yzvcK cp/XF8+kpbSXNnwqGPxLYj6dON2bSdOgqz98VIpdFTrT4+C3cPrM18sgVUEBgGN6 DbplcweL/F2BA+nzVyUq/3861zyM200IveVnc/xgpX4WbpT1pvf+bMC2FEqt3oRm JS/hZj8uk4RsNNFfmaaC4RfH4RNw9gWz6W7ZwmEN7sPMT8KdwevrcDBCGQmlSRhN 5hF1ScLL/mHliGXelHyaSMQUqEqLpaw9VKRF5N3BaO9gSGKSxj3G7BDVNvsOeJZE XKZlO3JMzCw5whhUl0mdov/Ueks8oVQTiN25xbA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:in-reply-to:references; s=arctest; t= 1518513109; bh=sjR19UQyJ2ZTYpZJotf8QSWLtZFpuOScFEDhDaH78JU=; b=O ifUclEbIYTjb9pCF9LII82igdpGrnXVV9v5d3Od1pqpHliJItF8to99NQDEcNDb5 QDPa38Rbr+mm+T9u5ononvRYfl+/xdRNdIUR8rR/S0e36pOHMDdqGSAtsmEJ75vQ GDn4I4pYHDV9NX8g2L2bKkRJNq2TFMIEnLkRT/Gqx8S6XjlSNQj0bWUsF7M4/eN1 Kocad3hoLWt42apk8ia/Aady1ZuHmux1svzZhpzlLpTMeEM4M5XU6AU+bQmtCxp7 g3OIxQpSQkQ0m/itHtyEr7kT45Ep9QFjUpMed8flYcJSMNvFLaE8E+SjcgGO9Xxb danWjN68Gsh+XS4Yz3oZg== ARC-Authentication-Results: i=1; mx2.messagingengine.com; arc=none (no signatures found); dkim=pass (2048-bit rsa key sha256) header.d=gmail.com header.i=@gmail.com header.b=aEF+/ORr x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=20161025; dmarc=pass (p=none,d=none) header.from=gmail.com; iprev=pass policy.iprev=74.125.83.67 (mail-pg0-f67.google.com); spf=pass smtp.mailfrom=green.hu@gmail.com smtp.helo=mail-pg0-f67.google.com; x-aligned-from=pass; x-google-dkim=pass (2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=Zr8hLr+E; x-ptr=pass x-ptr-helo=mail-pg0-f67.google.com x-ptr-lookup=mail-pg0-f67.google.com; x-return-mx=pass smtp.domain=gmail.com smtp.result=pass smtp_is_org_domain=yes header.domain=gmail.com header.result=pass header_is_org_domain=yes; x-tls=pass version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128 Authentication-Results: mx2.messagingengine.com; arc=none (no signatures found); dkim=pass (2048-bit rsa key sha256) header.d=gmail.com header.i=@gmail.com header.b=aEF+/ORr x-bits=2048 x-keytype=rsa x-algorithm=sha256 x-selector=20161025; dmarc=pass (p=none,d=none) header.from=gmail.com; iprev=pass policy.iprev=74.125.83.67 (mail-pg0-f67.google.com); spf=pass smtp.mailfrom=green.hu@gmail.com smtp.helo=mail-pg0-f67.google.com; x-aligned-from=pass; x-google-dkim=pass (2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=Zr8hLr+E; x-ptr=pass x-ptr-helo=mail-pg0-f67.google.com x-ptr-lookup=mail-pg0-f67.google.com; x-return-mx=pass smtp.domain=gmail.com smtp.result=pass smtp_is_org_domain=yes header.domain=gmail.com header.result=pass header_is_org_domain=yes; x-tls=pass version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128 X-Google-Smtp-Source: AH8x224jJwgNszKg1Go8Hpxs3erV7z6rPWooHQ9Zz9Vq8Pz0HMrFHT2eGiToovSrdKr5IJ7zzkx7bg== From: Greentime Hu X-Google-Original-From: Greentime Hu To: greentime@andestech.com, linux-kernel@vger.kernel.org, arnd@arndb.de, linux-arch@vger.kernel.org, tglx@linutronix.de, jason@lakedaemon.net, marc.zyngier@arm.com, robh+dt@kernel.org, netdev@vger.kernel.org, deanbo422@gmail.com, devicetree@vger.kernel.org, viro@zeniv.linux.org.uk, dhowells@redhat.com, will.deacon@arm.com, daniel.lezcano@linaro.org, linux-serial@vger.kernel.org, geert.uytterhoeven@gmail.com, linus.walleij@linaro.org, mark.rutland@arm.com, greg@kroah.com, ren_guo@c-sky.com, rdunlap@infradead.org, davem@davemloft.net, jonas@southpole.se, stefan.kristiansson@saunalahti.fi, shorne@gmail.com Cc: green.hu@gmail.com, Vincent Chen Subject: [PATCH v7 14/37] nds32: IRQ handling Date: Tue, 13 Feb 2018 17:09:18 +0800 Message-Id: X-Mailer: git-send-email 2.16.1 In-Reply-To: References: In-Reply-To: References: X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: This patch includes irq related functions and irqchip_init(). Signed-off-by: Vincent Chen Signed-off-by: Greentime Hu Acked-by: Arnd Bergmann --- arch/nds32/include/asm/irqflags.h | 36 ++++++++++++++++++++++++++++++++++++ arch/nds32/kernel/irq.c | 9 +++++++++ 2 files changed, 45 insertions(+) create mode 100644 arch/nds32/include/asm/irqflags.h create mode 100644 arch/nds32/kernel/irq.c diff --git a/arch/nds32/include/asm/irqflags.h b/arch/nds32/include/asm/irqflags.h new file mode 100644 index 000000000000..2bfd00f8bc48 --- /dev/null +++ b/arch/nds32/include/asm/irqflags.h @@ -0,0 +1,36 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2005-2017 Andes Technology Corporation + +#include +#include + +#define arch_local_irq_disable() \ + GIE_DISABLE(); + +#define arch_local_irq_enable() \ + GIE_ENABLE(); +static inline unsigned long arch_local_irq_save(void) +{ + unsigned long flags; + flags = __nds32__mfsr(NDS32_SR_PSW) & PSW_mskGIE; + GIE_DISABLE(); + return flags; +} + +static inline unsigned long arch_local_save_flags(void) +{ + unsigned long flags; + flags = __nds32__mfsr(NDS32_SR_PSW) & PSW_mskGIE; + return flags; +} + +static inline void arch_local_irq_restore(unsigned long flags) +{ + if(flags) + GIE_ENABLE(); +} + +static inline int arch_irqs_disabled_flags(unsigned long flags) +{ + return !flags; +} diff --git a/arch/nds32/kernel/irq.c b/arch/nds32/kernel/irq.c new file mode 100644 index 000000000000..6ff5a672be27 --- /dev/null +++ b/arch/nds32/kernel/irq.c @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2005-2017 Andes Technology Corporation + +#include + +void __init init_IRQ(void) +{ + irqchip_init(); +} -- 2.16.1