From patchwork Sat Feb 16 17:37:38 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomasz Figa X-Patchwork-Id: 2152301 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 19E8BDF2A1 for ; Sat, 16 Feb 2013 17:40:49 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1U6liG-0001iL-MF; Sat, 16 Feb 2013 17:38:12 +0000 Received: from mail-ea0-f173.google.com ([209.85.215.173]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1U6li4-0001fl-Cw for linux-arm-kernel@lists.infradead.org; Sat, 16 Feb 2013 17:38:01 +0000 Received: by mail-ea0-f173.google.com with SMTP id i1so1816224eaa.18 for ; Sat, 16 Feb 2013 09:37:57 -0800 (PST) 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=1y+dAioHYBiPk8Xhs5so1k76YnCHMuOXbf3/8xX3ctE=; b=q0owQRMzL/Vy4NajrTvNMncjYlD+p8LRAB3KARBrbKY71yyEGSGuWnNo3Yi5lKLZdT EAJox6HYnU773DWhKF/qooD0wQRuW1e5wM884XQdEnSZA773Y6+HennNyGbpKSQfvd7J UrAGAdBAHi+v/oTmIrJ7WjwRVOdUV7tZosxfWsKVGTOplJgsi5zUQDkhhIFx68LZmogf gsakQDdwhFlfim9yBgYrr/9aKAMwCEgtq6aiv3OAuAcxA3ucP+wbsgOFEK7Nx+AsxCEw xRVKMbogR0i0+pUChlgTmHIgeWIXHmtfLVvdVwtOnRlpVYcCh7+tXlHlw8YQ19wQk9t2 A81A== X-Received: by 10.14.200.137 with SMTP id z9mr22684492een.20.1361036277806; Sat, 16 Feb 2013 09:37:57 -0800 (PST) Received: from flatron.tomeq (87-207-52-162.dynamic.chello.pl. [87.207.52.162]) by mx.google.com with ESMTPS id r4sm45024812eeo.12.2013.02.16.09.37.55 (version=TLSv1.2 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Sat, 16 Feb 2013 09:37:56 -0800 (PST) From: Tomasz Figa To: linux-samsung-soc@vger.kernel.org Subject: [PATCH v3 1/4] ARM: common: vic: Parse interrupt and resume masks from device tree Date: Sat, 16 Feb 2013 18:37:38 +0100 Message-Id: <1361036261-8315-2-git-send-email-tomasz.figa@gmail.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1361036261-8315-1-git-send-email-tomasz.figa@gmail.com> References: <1361036261-8315-1-git-send-email-tomasz.figa@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130216_123800_695193_6F40AC89 X-CRM114-Status: GOOD ( 10.82 ) X-Spam-Score: -2.7 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.7 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [209.85.215.173 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (tomasz.figa[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature Cc: Mark Rutland , kgene.kim@samsung.com, linux@arm.linux.org.uk, kwangwoo.lee@gmail.com, devicetree-discuss@lists.ozlabs.org, broonie@opensource.wolfsonmicro.com, mcuelenaere@gmail.com, Tomasz Figa , augulis.darius@gmail.com, jacmet@sunsite.dk, 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: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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 ++++++ arch/arm/common/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/arch/arm/common/vic.c b/arch/arm/common/vic.c index 8f324b9..676a938 100644 --- a/arch/arm/common/vic.c +++ b/arch/arm/common/vic.c @@ -412,6 +412,8 @@ 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; @@ -420,10 +422,13 @@ 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; }