From patchwork Tue Apr 7 13:03:34 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Martinez Canillas X-Patchwork-Id: 6170651 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id BF1D89F1C4 for ; Tue, 7 Apr 2015 13:06:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F146A2034A for ; Tue, 7 Apr 2015 13:06:22 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2897D20219 for ; Tue, 7 Apr 2015 13:06:22 +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 1YfTAr-0002io-57; Tue, 07 Apr 2015 13:04:13 +0000 Received: from bhuna.collabora.co.uk ([93.93.135.160]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YfTAn-0002bm-To for linux-arm-kernel@lists.infradead.org; Tue, 07 Apr 2015 13:04:10 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: javier) with ESMTPSA id B6312600E9C From: Javier Martinez Canillas To: Kukjin Kim Subject: [PATCH 1/1] ARM: dts: Add keep-power-in-suspend to WiFi SDIO node for Peach Boards Date: Tue, 7 Apr 2015 15:03:34 +0200 Message-Id: <1428411814-21098-1-git-send-email-javier.martinez@collabora.co.uk> X-Mailer: git-send-email 2.1.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150407_060410_110872_D5925CB8 X-CRM114-Status: UNSURE ( 8.58 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: Abhilash Kesavan , Kevin Hilman , Tyler Baker , Doug Anderson , linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Olof Johansson , Javier Martinez Canillas , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_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 The Marvell mwifiex driver prevents the system to enter into a suspend state if the card power is not preserved during a suspend/resume cycle. So Suspend-to-RAM and Suspend-to-idle is failing on Exynos5800 Peach Pi and Exynos5420 Peach Pit Chromebooks. Add the keep-power-in-suspend Power Management property to the SDIO/MMC node so the mwifiex suspend handler doesn't fail and the system is able to enter into a suspend state. Signed-off-by: Javier Martinez Canillas Reviewed-by: Doug Anderson --- arch/arm/boot/dts/exynos5420-peach-pit.dts | 1 + arch/arm/boot/dts/exynos5800-peach-pi.dts | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts index 0788d08fb43e..146e71118a72 100644 --- a/arch/arm/boot/dts/exynos5420-peach-pit.dts +++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts @@ -711,6 +711,7 @@ num-slots = <1>; broken-cd; cap-sdio-irq; + keep-power-in-suspend; card-detect-delay = <200>; clock-frequency = <400000000>; samsung,dw-mshc-ciu-div = <1>; diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts index 412f41d62686..02eb8b15374f 100644 --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts @@ -674,6 +674,7 @@ num-slots = <1>; broken-cd; cap-sdio-irq; + keep-power-in-suspend; card-detect-delay = <200>; clock-frequency = <400000000>; samsung,dw-mshc-ciu-div = <1>;