From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 15 Jun 2012 16:32:53 +0200 (CEST) Received: from mail-gg0-f177.google.com ([209.85.161.177]:42697 "EHLO mail-gg0-f177.google.com" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S1902243Ab2FOOcr (ORCPT ); Fri, 15 Jun 2012 16:32:47 +0200 Received: by ggcs5 with SMTP id s5so2554676ggc.36 for ; Fri, 15 Jun 2012 07:32:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=date:from:to:cc:subject:message-id:reply-to:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; bh=UaT07pgMynON+BJRVPlZ/USdMnMdnhyZ+uII59J5XrI=; b=mV0T0QzvAbVyHGakY70t4QG3+31F0D/ht3cn1Eb1DLMMomi4s1r4by8gJz1Bcn5VkX Ww/c1pFmA6rlqbcFi14a2EC4StOlwTaEYbw7teI7owfWTE0HtbUCvqzlAmi4qIFXLdEz q5CruWSd3xYQYVWm1WJR4zAvmyU+FB8Uq7D8tMep4bcIAzKojFLitCA3wQZimX5xf7l+ 9OKy/oLgHZug16/OzIUqgJQbWNjRzy1/gOFvjmFzDAbHwCnr6tPbYo0bKHIXCQvBB7o2 a1ldumraDaFtF0mZXAV6jxqQDVumwOks3mNm73tmMn/XfhjVx7XpJM/0vqRDtoytUQ+L JDdQ== Received: by 10.50.219.162 with SMTP id pp2mr2191139igc.40.1339770760875; Fri, 15 Jun 2012 07:32:40 -0700 (PDT) Received: from mars ([159.226.43.42]) by mx.google.com with ESMTPS id dc7sm1371056igc.13.2012.06.15.07.32.37 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 15 Jun 2012 07:32:40 -0700 (PDT) Date: Fri, 15 Jun 2012 22:32:34 +0800 From: LIU Qi To: Huacai Chen Cc: Ralf Baechle , linux-mips@linux-mips.org, Fuxin Zhang , Zhangjin Wu , Huacai Chen , Hongliang Tao , Hua Yan Subject: Re: [PATCH 06/14] MIPS: Loongson 3: Add IRQ init and dispatch support. Message-ID: <20120615143234.GB15800@gmail.com> Reply-To: LIU Qi References: <1339747801-28691-1-git-send-email-chenhc@lemote.com> <1339747801-28691-7-git-send-email-chenhc@lemote.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1339747801-28691-7-git-send-email-chenhc@lemote.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-archive-position: 33664 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: liuqi82@gmail.com Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips Return-Path: On Fri, Jun 15, 2012 at 04:09:53PM +0800, Huacai Chen wrote: > IRQ routing path of Loongson-3: > Devices(most) --> I8259 --> HT Controller --> IRQ Routing Table --> CPU > ^ > | > Device(legacy devices such as UART) --> Bonito ---| > > IRQ Routing Table route 32 INTs to CPU's INT0~INT3(IP2~IP5 of CP0), 32 > INTs include 16 HT INTs(mostly), 4 PCI INTs, 1 LPC INT, etc. IP6 is used > for IPI and IP7 is used for internal MIPS timer. LOONGSON_INT_ROUTER_* > are IRQ Routing Table registers. > > I8259 IRQs are 1:1 mapped to HT1 INTs. LOONGSON_HT1_* are configuration > registers of HT1 controller. > > Signed-off-by: Huacai Chen > Signed-off-by: Hongliang Tao > Signed-off-by: Hua Yan > --- > arch/mips/include/asm/mach-loongson/irq.h | 26 +++++++ > arch/mips/include/asm/mach-loongson/loongson.h | 9 +++ > arch/mips/loongson/Makefile | 6 ++ > arch/mips/loongson/loongson-3/Makefile | 4 + > arch/mips/loongson/loongson-3/irq.c | 87 ++++++++++++++++++++++++ > 5 files changed, 132 insertions(+), 0 deletions(-) > create mode 100644 arch/mips/include/asm/mach-loongson/irq.h > create mode 100644 arch/mips/loongson/loongson-3/Makefile > create mode 100644 arch/mips/loongson/loongson-3/irq.c Fix the following compiling warning please: CC drivers/input/serio/i8042.o In file included from drivers/input/serio/i8042.h:32, from drivers/input/serio/i8042.c:91: drivers/input/serio/i8042-io.h:36:1: warning: "I8042_KBD_IRQ" redefined In file included from /home/liuqi/workspace/linux.git/arch/mips/include/asm/irq.h:18, from include/linux/irq.h:27, from include/asm-generic/hardirq.h:12, from /home/liuqi/workspace/linux.git/arch/mips/include/asm/hardirq.h:16, from include/linux/hardirq.h:7, from include/linux/interrupt.h:12, from drivers/input/serio/i8042.c:18: /home/liuqi/workspace/linux.git/arch/mips/include/asm/mach-loongson/irq.h:9:1: warning: this is the location of the previous definition LIU Qi