From patchwork Mon Apr 15 21:14:38 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomasz Figa X-Patchwork-Id: 2446891 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id AE96CDF2E5 for ; Mon, 15 Apr 2013 21:15:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755541Ab3DOVP6 (ORCPT ); Mon, 15 Apr 2013 17:15:58 -0400 Received: from mail-ee0-f44.google.com ([74.125.83.44]:35727 "EHLO mail-ee0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754989Ab3DOVP5 (ORCPT ); Mon, 15 Apr 2013 17:15:57 -0400 Received: by mail-ee0-f44.google.com with SMTP id c41so2524775eek.31 for ; Mon, 15 Apr 2013 14:15:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=2TZ33z7D3Lj5lQYj0XodYHRx1yrrFTZ+F7kDQy8+Utw=; b=jdXGWtDQABsNyJ1F+pl23BjxBFKwdlXZzOsRAt/PejR2fR2fqKuVnRyF8Gh8/JkXe8 ehHwY0HufTxFvbEsS7YSjEJA6B3+4WE9dkWHyTZ1HN/kQNhHC2hWLddNqunuK03BCnCy G/e/NWQTfw8wm7KNc4Ta/bH+hLFBaoxTv6SAGWa5jou9AaCWPHCwcajFC5ZilvHd0j17 pfh5DxuaFZcffCCHPrUTf1iFZJ9lAcvUzf5EYIUe/8G56NxlCDNWWH8MGAI3dPSZj9Or xp7MxNezGce9xsXU6/MZfSVZDwqcXYB2uA2Z/IecIVV5JOImq+EjB6Qv+GdE6oPQy7H4 dl9g== X-Received: by 10.14.110.198 with SMTP id u46mr66230894eeg.41.1366060556627; Mon, 15 Apr 2013 14:15:56 -0700 (PDT) Received: from flatron.tomeq (87-207-52-162.dynamic.chello.pl. [87.207.52.162]) by mx.google.com with ESMTPS id a2sm27439737eem.11.2013.04.15.14.15.54 (version=TLSv1.2 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 15 Apr 2013 14:15:55 -0700 (PDT) From: Tomasz Figa To: linux-samsung-soc@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, devicetree-discuss@lists.ozlabs.org, kgene.kim@samsung.com, broonie@opensource.wolfsonmicro.com, kwangwoo.lee@gmail.com, jacmet@sunsite.dk, augulis.darius@gmail.com, mcuelenaere@gmail.com, linux@arm.linux.org.uk, Rob Herring , Mark Rutland , Tomasz Figa Subject: [PATCH v5 1/6] ARM: common: vic: Parse interrupt and resume masks from device tree Date: Mon, 15 Apr 2013 23:14:38 +0200 Message-Id: <1366060483-20342-2-git-send-email-tomasz.figa@gmail.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1366060483-20342-1-git-send-email-tomasz.figa@gmail.com> References: <1366060483-20342-1-git-send-email-tomasz.figa@gmail.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org This patch extends vic_of_init to parse valid interrupt sources and resume sources masks from device tree. If mask values are not specified in device tree, all sources are assumed to be valid, as before this patch. Signed-off-by: Tomasz Figa --- Documentation/devicetree/bindings/arm/vic.txt | 6 ++++++ drivers/irqchip/irq-vic.c | 7 ++++++- 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/arm/vic.txt b/Documentation/devicetree/bindings/arm/vic.txt index 266716b..bb7137c 100644 --- a/Documentation/devicetree/bindings/arm/vic.txt +++ b/Documentation/devicetree/bindings/arm/vic.txt @@ -18,6 +18,9 @@ Required properties: Optional properties: - interrupts : Interrupt source for parent controllers if the VIC is nested. +- interrupt-mask : Bit mask of valid interrupt sources (defaults to all valid) +- wakeup-mask : Bit mask of interrupt sources that can wake up the system + (defaults to all allowed) Example: @@ -26,4 +29,7 @@ Example: interrupt-controller; #interrupt-cells = <1>; reg = <0x60000 0x1000>; + + interrupt-mask = <0xffffff7f>; + wakeup-mask = <0x0000ff7f>; }; diff --git a/drivers/irqchip/irq-vic.c b/drivers/irqchip/irq-vic.c index 3cf97aa..61602df 100644 --- a/drivers/irqchip/irq-vic.c +++ b/drivers/irqchip/irq-vic.c @@ -468,6 +468,8 @@ void __init vic_init(void __iomem *base, unsigned int irq_start, int __init vic_of_init(struct device_node *node, struct device_node *parent) { void __iomem *regs; + u32 interrupt_mask = ~0; + u32 wakeup_mask = ~0; if (WARN(parent, "non-root VICs are not supported")) return -EINVAL; @@ -476,10 +478,13 @@ int __init vic_of_init(struct device_node *node, struct device_node *parent) if (WARN_ON(!regs)) return -EIO; + of_property_read_u32(node, "interrupt-mask", &interrupt_mask); + of_property_read_u32(node, "wakeup-mask", &wakeup_mask); + /* * Passing 0 as first IRQ makes the simple domain allocate descriptors */ - __vic_init(regs, 0, ~0, ~0, node); + __vic_init(regs, 0, interrupt_mask, wakeup_mask, node); return 0; }