From patchwork Fri Jul 17 21:08:01 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Gerlach X-Patchwork-Id: 6819351 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id ECC7BC05AC for ; Fri, 17 Jul 2015 21:11:02 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 29B59207F6 for ; Fri, 17 Jul 2015 21:11:02 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4E09F207E1 for ; Fri, 17 Jul 2015 21:11:01 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZGCsQ-0000P2-LD; Fri, 17 Jul 2015 21:09:02 +0000 Received: from arroyo.ext.ti.com ([192.94.94.40]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZGCrv-000064-EC for linux-arm-kernel@lists.infradead.org; Fri, 17 Jul 2015 21:08:32 +0000 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id t6HL8510031208; Fri, 17 Jul 2015 16:08:05 -0500 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id t6HL85E6015566; Fri, 17 Jul 2015 16:08:05 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.224.2; Fri, 17 Jul 2015 16:07:37 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id t6HL84V5032584; Fri, 17 Jul 2015 16:08:04 -0500 Received: from localhost (uda0274052.am.dhcp.ti.com [128.247.9.225]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id t6HL84920651; Fri, 17 Jul 2015 16:08:04 -0500 (CDT) From: Dave Gerlach To: , , , Subject: [PATCH 1/4] ARM: dts: AM33xx: Add ti, mbox-send-noirq to wkup_m3 mailbox Date: Fri, 17 Jul 2015 16:08:01 -0500 Message-ID: <1437167284-25659-2-git-send-email-d-gerlach@ti.com> X-Mailer: git-send-email 2.4.6 In-Reply-To: <1437167284-25659-1-git-send-email-d-gerlach@ti.com> References: <1437167284-25659-1-git-send-email-d-gerlach@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150717_140831_618099_691CD808 X-CRM114-Status: UNSURE ( 9.03 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -8.1 (--------) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dave Gerlach , Tony Lindgren , Keerthy , Jassi Brar , Santosh Shilimkar Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add ti,mbox-send-noirq to wkup_m3 mailbox so that messages using wkup_m3 mailbox are sent without triggering any further interrupts. This is needed to achieve lower power numbers during CPU idle on AM33xx. Signed-off-by: Dave Gerlach [s-anna@ti.com: revise commit description] Signed-off-by: Suman Anna --- arch/arm/boot/dts/am33xx.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi index 4c1b4a8..4f2c07a 100644 --- a/arch/arm/boot/dts/am33xx.dtsi +++ b/arch/arm/boot/dts/am33xx.dtsi @@ -391,6 +391,7 @@ ti,mbox-num-users = <4>; ti,mbox-num-fifos = <8>; mbox_wkupm3: wkup_m3 { + ti,mbox-send-noirq; ti,mbox-tx = <0 0 0>; ti,mbox-rx = <0 0 3>; };