From patchwork Mon Sep 26 09:46:06 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sascha Hauer X-Patchwork-Id: 116397 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:4978:20e::2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 37F15B6F69 for ; Mon, 26 Sep 2011 19:47:11 +1000 (EST) Received: from canuck.infradead.org ([2001:4978:20e::1]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1R87m6-0002hw-1D; Mon, 26 Sep 2011 09:46:59 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1R87m4-0004G6-Gb; Mon, 26 Sep 2011 09:46:56 +0000 Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1R87lQ-00048X-21 for linux-arm-kernel@lists.infradead.org; Mon, 26 Sep 2011 09:46:17 +0000 Received: from octopus.hi.pengutronix.de ([2001:6f8:1178:2:215:17ff:fe12:23b0]) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1R87lL-0002mD-6r; Mon, 26 Sep 2011 11:46:11 +0200 Received: from sha by octopus.hi.pengutronix.de with local (Exim 4.76) (envelope-from ) id 1R87lL-0007kq-0g; Mon, 26 Sep 2011 11:46:11 +0200 From: Sascha Hauer To: Subject: [PATCH 1/4] ARM i.MX avic: add handle_irq function Date: Mon, 26 Sep 2011 11:46:06 +0200 Message-Id: <1317030369-29352-2-git-send-email-s.hauer@pengutronix.de> X-Mailer: git-send-email 1.7.6.3 In-Reply-To: <1317030369-29352-1-git-send-email-s.hauer@pengutronix.de> References: <1317030369-29352-1-git-send-email-s.hauer@pengutronix.de> X-SA-Exim-Connect-IP: 2001:6f8:1178:2:215:17ff:fe12:23b0 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110926_054616_292285_CEC86898 X-CRM114-Status: GOOD ( 19.22 ) X-Spam-Score: -0.5 (/) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (-0.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.5 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain Cc: Sascha Hauer , Shawn Guo X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org List-Id: linux-imx-kernel.lists.patchwork.ozlabs.org Signed-off-by: Sascha Hauer --- arch/arm/plat-mxc/avic.c | 13 +++++++++++++ arch/arm/plat-mxc/include/mach/common.h | 10 ++++++++++ 2 files changed, 23 insertions(+), 0 deletions(-) diff --git a/arch/arm/plat-mxc/avic.c b/arch/arm/plat-mxc/avic.c index 55d2534..4d68c5a 100644 --- a/arch/arm/plat-mxc/avic.c +++ b/arch/arm/plat-mxc/avic.c @@ -116,6 +116,19 @@ static struct mxc_irq_chip mxc_avic_chip = { #endif }; +asmlinkage void __exception_irq_entry avic_handle_irq(struct pt_regs *regs) +{ + u32 nivector; + + do { + nivector = __raw_readl(avic_base + AVIC_NIVECSR) >> 16; + if (nivector == 0xffff) + break; + + handle_IRQ(nivector, regs); + } while (1); +} + /* * This function initializes the AVIC hardware and disables all the * interrupts. It registers the interrupt enable and disable functions diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h index 4e3d978..6a6182d 100644 --- a/arch/arm/plat-mxc/include/mach/common.h +++ b/arch/arm/plat-mxc/include/mach/common.h @@ -72,4 +72,14 @@ extern void mxc_arch_reset_init(void __iomem *); extern void mx51_efikamx_reset(void); extern int mx53_revision(void); extern int mx53_display_revision(void); + +void avic_handle_irq(struct pt_regs *); + +#define imx1_handle_irq avic_handle_irq +#define imx21_handle_irq avic_handle_irq +#define imx25_handle_irq avic_handle_irq +#define imx27_handle_irq avic_handle_irq +#define imx31_handle_irq avic_handle_irq +#define imx35_handle_irq avic_handle_irq + #endif