From patchwork Wed Feb 7 01:41:16 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Derek Basehore X-Patchwork-Id: 10204427 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 84B6960327 for ; Wed, 7 Feb 2018 01:42:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 75A6128C5B for ; Wed, 7 Feb 2018 01:42:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6A40128D7A; Wed, 7 Feb 2018 01:42:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E5DFB28C5B for ; Wed, 7 Feb 2018 01:42:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932330AbeBGBmG (ORCPT ); Tue, 6 Feb 2018 20:42:06 -0500 Received: from mail-pl0-f67.google.com ([209.85.160.67]:45402 "EHLO mail-pl0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932320AbeBGBl3 (ORCPT ); Tue, 6 Feb 2018 20:41:29 -0500 Received: by mail-pl0-f67.google.com with SMTP id p5so2470644plo.12 for ; Tue, 06 Feb 2018 17:41:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=w83D5Ef/PEoeLmEjI8Fya4YIM1kcJMX0O8yenM8U5ac=; b=iRya4nWiS4bRxITJyhnaln+2bnnAohfYjVjd1cIRRoAs/aFHiZi66MztKLk4bE8edZ Z+3RGgOYcyNFEJmn0wbZMeRrfaBxsfojZeNdKWRGZXGRfV78mHTEBj+C5oP11bYe6lzN 9XWSKG6UPOf2A9rWM9VyOJyJ+cPpdcANvSlZE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=w83D5Ef/PEoeLmEjI8Fya4YIM1kcJMX0O8yenM8U5ac=; b=lm2Z4p+aFLI7CP+n1WFSADt23cVs/n07PnJZhHhDK8+HFHRwsiavB2dN6pQJOprHSk SefMkzkkqJZNhvjORu7mkhCzwIYFshuwtlvy2HMXZn3YqtewQhje7RxRl7jR7PlX+fO2 sMTe4q/9i/nzqDKwn3GVmW7v7XB7jTNJQjWOnbVPSRUoumLIX+zISDLG9y7nhSq5T7hv sCaEraxUCFRLWYqS3TR6Vbn95hSpght2ONpfAV8lj0gWHG4BOYZCS50HW7BCsezmFvom SNIs6Zs5Lmn1DBvZj2NJhIcCFbD2Z5CnwCniKdfx9dPp3PjQHs2lhTh/krogVrBrsYGd S8Qw== X-Gm-Message-State: APf1xPDnhTJ9ctOG2Int0wcCm7lcmXH79jwqKvziZn1+5wMWN8l13qKB pqpTHr07CNTSjj+DAvbNeAq7Tw== X-Google-Smtp-Source: AH8x227H7xcMXi+mKHywMDza1QOprehRAFxXQsR7EmuOJwsbini2FeFFwGXpDwFO3kVRtuXyUFCFKg== X-Received: by 2002:a17:902:2be4:: with SMTP id l91-v6mr4213036plb.387.1517967689129; Tue, 06 Feb 2018 17:41:29 -0800 (PST) Received: from exogeni.mtv.corp.google.com ([2620:0:1000:1600:211e:5908:95bc:4888]) by smtp.gmail.com with ESMTPSA id k71sm573529pfg.52.2018.02.06.17.41.27 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 06 Feb 2018 17:41:28 -0800 (PST) From: Derek Basehore To: linux-kernel@vger.kernel.org Cc: Soby.Mathew@arm.com, sudeep.holla@arm.com, devicetree@vger.kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, linux-pm@vger.kernel.org, rafael.j.wysocki@intel.com, tglx@linutronix.de, briannorris@chromium.org, marc.zyngier@arm.com, Derek Basehore Subject: [PATCH v5 3/4] DT/arm,gic-v3-its: add reset-on-suspend property Date: Tue, 6 Feb 2018 17:41:16 -0800 Message-Id: <20180207014117.62611-4-dbasehore@chromium.org> X-Mailer: git-send-email 2.16.0.rc1.238.g530d649a79-goog In-Reply-To: <20180207014117.62611-1-dbasehore@chromium.org> References: <20180207014117.62611-1-dbasehore@chromium.org> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This adds documentation for the new reset-on-suspend property. This property enables saving and restoring the ITS for when it loses state in system suspend. Signed-off-by: Derek Basehore --- Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt index 0a57f2f4167d..a470147d4f14 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt @@ -78,6 +78,9 @@ These nodes must have the following properties: Optional: - socionext,synquacer-pre-its: (u32, u32) tuple describing the untranslated address and size of the pre-ITS window. +- reset-on-suspend: Boolean property. Indicates that the ITS state is + reset on suspend. The state is then saved on suspend and restored on + resume. The main GIC node must contain the appropriate #address-cells, #size-cells and ranges properties for the reg property of all ITS