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: 6170581 Return-Path: X-Original-To: patchwork-linux-samsung-soc@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 399E3BF4A6 for ; Tue, 7 Apr 2015 13:04:48 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5DE4A202EC for ; Tue, 7 Apr 2015 13:04:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9A4E32035D for ; Tue, 7 Apr 2015 13:04:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753299AbbDGNDu (ORCPT ); Tue, 7 Apr 2015 09:03:50 -0400 Received: from bhuna.collabora.co.uk ([93.93.135.160]:53642 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752904AbbDGNDs (ORCPT ); Tue, 7 Apr 2015 09:03:48 -0400 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 Cc: Olof Johansson , Doug Anderson , Kevin Hilman , Tyler Baker , Abhilash Kesavan , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Javier Martinez Canillas 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 Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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>;