From patchwork Mon Nov 12 13:48:37 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Heiko_St=C3=BCbner?= X-Patchwork-Id: 1728241 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id F3E1CDFE80 for ; Mon, 12 Nov 2012 13:50:30 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TXuNe-0002eL-B9; Mon, 12 Nov 2012 13:48:50 +0000 Received: from gloria.sntech.de ([95.129.55.99]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TXuNa-0002cp-94 for linux-arm-kernel@lists.infradead.org; Mon, 12 Nov 2012 13:48:47 +0000 Received: from 146-52-32-60-dynip.superkabel.de ([146.52.32.60] helo=marty.localnet) by gloria.sntech.de with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1TXuNV-0002QB-8B; Mon, 12 Nov 2012 14:48:41 +0100 From: Heiko =?utf-8?q?St=C3=BCbner?= To: Kukjin Kim , Stephen Warren , Olof Johansson Subject: [RFC PATCH 2/4] irqchip: s3c24xx: add irq_domains for the interrupt registers Date: Mon, 12 Nov 2012 14:48:37 +0100 User-Agent: KMail/1.13.7 (Linux/3.2.0-3-686-pae; KDE/4.8.4; i686; ; ) References: <201211121446.30167.heiko@sntech.de> In-Reply-To: <201211121446.30167.heiko@sntech.de> MIME-Version: 1.0 Message-Id: <201211121448.39953.heiko@sntech.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20121112_084846_478827_4B3D2733 X-CRM114-Status: GOOD ( 13.71 ) X-Spam-Score: -2.6 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add irqdomains for the three register sets in use for base, external and sub-interrupts. This also pouplates the hwirq value for further improvements. Signed-off-by: Heiko Stuebner --- drivers/irqchip/Kconfig | 1 + drivers/irqchip/irq-s3c24xx.c | 14 ++++++++++++++ 2 files changed, 15 insertions(+), 0 deletions(-) diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 860d45d..e30feca 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -1,5 +1,6 @@ config S3C24XX_IRQ bool + select IRQ_DOMAIN config VERSATILE_FPGA_IRQ bool diff --git a/drivers/irqchip/irq-s3c24xx.c b/drivers/irqchip/irq-s3c24xx.c index fe57bbb..cf9d04d 100644 --- a/drivers/irqchip/irq-s3c24xx.c +++ b/drivers/irqchip/irq-s3c24xx.c @@ -25,6 +25,8 @@ #include #include +#include + #include #include @@ -667,6 +669,18 @@ void __init s3c24xx_init_irq(void) set_irq_flags(irqno, IRQF_VALID); } + /* basic interrupt register */ + irq_domain_add_legacy(NULL, 32, IRQ_EINT0, 0, &irq_domain_simple_ops, + NULL); + + /* extint register, irqs begin at bit4 */ + irq_domain_add_legacy(NULL, 20, IRQ_EINT4, 4, &irq_domain_simple_ops, + NULL); + + /* subint register, 29 to fit subints of all SoCs */ + irq_domain_add_legacy(NULL, 29, IRQ_S3CUART_RX0, 0, + &irq_domain_simple_ops, NULL); + irqdbf("s3c2410: registered interrupt handlers\n"); }