From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 38B71C433E0 for ; Wed, 31 Mar 2021 11:01:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF77E619A6 for ; Wed, 31 Mar 2021 11:01:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235369AbhCaLAu (ORCPT ); Wed, 31 Mar 2021 07:00:50 -0400 Received: from esa.microchip.iphmx.com ([68.232.154.123]:28755 "EHLO esa.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235115AbhCaK7w (ORCPT ); Wed, 31 Mar 2021 06:59:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1617188392; x=1648724392; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=4BQZ/iTmn3jDQYiKb3oiGkOU5qXJu63VT3CwhT9FgTM=; b=atupuNRiyaYK2L3oaDxNk8JbIlz4oi/DINNaLKy7SxI8P0c3+aEya1ur PclKTgUPMYBZ+rOdkZD0F9X8y813Eo4TSTDuDa4hfa2LWuIdBHcy7gppd w06wTGKAFoE+p9YeSZihDbdn1jJXgm6aH05BuIXBaX9L8XrSDovBdfngf X9rykK/UOG1EcGFF6LtaUoY8Ex18CFA9zJx9lpHrzxSx0WsmuxjnK+4pY d1tWA4cxJDu9fmH/Wl3WQ07nK8xA7RRZT7GQLQ6t9NLObDpOsAUB/YMBL sJnH3h/FrOUP7LrWRovB0IrbsMePqRryLj44x9F3Xei/q7mLIpnwJ9dqJ A==; IronPort-SDR: qiwHCcUd3Ap2D8kT5N+7Vu74ymEvZ4iVEkAUBmrfpkgCi51Bg5kNFdJTeEQGITA42b6ziZGiKK 62ywG0bLqMGkvxG0hPPzqUZcuBvJMLbYMourfVQ26WaBaQ0pQt8tp0NL8yBG3RVJCjsneHFOOv ZBvSPeB8wnkrgv9MuX8l374TyE3nkDirHgTd/DODSdbGQzULXhbrCJYWJXKCpdWjkFbqmU/81R TqrEtJwHFR3DCH1u/iiXZc38Oa3EtLqieGtCGc+FvFWRD2uV0GraiHUZcHJtxlumu//QreMvPY IyQ= X-IronPort-AV: E=Sophos;i="5.81,293,1610434800"; d="scan'208";a="109198810" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa4.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 31 Mar 2021 03:59:51 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Wed, 31 Mar 2021 03:59:51 -0700 Received: from rob-dk-mpu01.microchip.com (10.10.115.15) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2176.2 via Frontend Transport; Wed, 31 Mar 2021 03:59:49 -0700 From: Claudiu Beznea To: , , , , CC: , , , Claudiu Beznea Subject: [PATCH 15/24] ARM: at91: pm: wait for ddr power mode off Date: Wed, 31 Mar 2021 13:58:59 +0300 Message-ID: <20210331105908.23027-16-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20210331105908.23027-1-claudiu.beznea@microchip.com> References: <20210331105908.23027-1-claudiu.beznea@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Wait for DDR power mode off before shutting down the core. Signed-off-by: Claudiu Beznea --- arch/arm/mach-at91/pm_suspend.S | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S index 9c9e08fd8300..7396e18dd7e5 100644 --- a/arch/arm/mach-at91/pm_suspend.S +++ b/arch/arm/mach-at91/pm_suspend.S @@ -980,6 +980,11 @@ ulp_exit: mov tmp1, #0x1 str tmp1, [r0, #0x10] + /* Wait for it. */ +1: ldr tmp1, [r0, #0x10] + tst tmp1, #0x1 + beq 1b + /* Shutdown */ ldr r0, .shdwc mov tmp1, #0xA5000000 -- 2.25.1