From patchwork Mon Feb 20 08:03:09 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ritesh Harjani X-Patchwork-Id: 9582105 X-Patchwork-Delegate: agross@codeaurora.org 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 4AD986047C for ; Mon, 20 Feb 2017 08:04:50 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3BF9C287FB for ; Mon, 20 Feb 2017 08:04:50 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 306C828851; Mon, 20 Feb 2017 08:04:50 +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=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham 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 DC3D5287FB for ; Mon, 20 Feb 2017 08:04:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752467AbdBTIEf (ORCPT ); Mon, 20 Feb 2017 03:04:35 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:44534 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752364AbdBTIEE (ORCPT ); Mon, 20 Feb 2017 03:04:04 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 5B70160D06; Mon, 20 Feb 2017 08:03:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1487577833; bh=YoiXy0kSFtMv73MGAam4ird3yGkcGFj2wWINaEwWHE0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jc+ECA3dcRxTsdtskc39YdIOCD0S35BhGelj7q9aEAPeUv/41g+oK5JTUL2THBw4r NKMIyPFHcyH7rCLLnlrqjJN5Dic6CWHQGinbfyr4fV0dOwiiWOSN94/Pyjs3wMSXt7 yu09IYgBaVY5SfR9jPAG77VHqfB/0hN7VK3JXuTU= Received: from rharjani-linux.qualcomm.com (unknown [202.46.23.54]) (using TLSv1.1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: riteshh@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 2456360D61; Mon, 20 Feb 2017 08:03:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1487577832; bh=YoiXy0kSFtMv73MGAam4ird3yGkcGFj2wWINaEwWHE0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=d/NCgTbRFhKilFDaLeYjtyx97HakX9WWncTiFYyN+28IuIHge84YMzmavL3NhFtyf TfFqYYkhUWwy5kF93ADsqXN1vbUVtlph1b5Q8T0GQwY14Orb8XSIO5XW/rXS1K6IgY x80l0r5ZRUSvjTDHUwu4gKk7KJPY8Or8TX2xS0lM= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 2456360D61 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=riteshh@codeaurora.org From: Ritesh Harjani To: ulf.hansson@linaro.org, linux-mmc@vger.kernel.org, adrian.hunter@intel.com Cc: shawn.lin@rock-chips.com, devicetree@vger.kernel.org, andy.gross@linaro.org, linux-arm-msm@vger.kernel.org, georgi.djakov@linaro.org, alex.lemberg@sandisk.com, mateusz.nowak@intel.com, Yuliy.Izrailov@sandisk.com, asutoshd@codeaurora.org, david.griego@linaro.org, stummala@codeaurora.org, venkatg@codeaurora.org, pramod.gurav@linaro.org, jeremymc@redhat.com, linux-kernel@vger.kernel.org, Ritesh Harjani Subject: [RFC PATCH 1/4] Documentation: mmc: add mmc-sleep-awake Date: Mon, 20 Feb 2017 13:33:09 +0530 Message-Id: <1487577792-12510-2-git-send-email-riteshh@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1487577792-12510-1-git-send-email-riteshh@codeaurora.org> References: <1487577792-12510-1-git-send-email-riteshh@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP mmc-sleep-awake enables CMD5 awake feature & partial_init which can help reduce resume latency on emmc. Signed-off-by: Ritesh Harjani --- Documentation/devicetree/bindings/mmc/mmc.txt | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt index c7f4a0e..b0df54c 100644 --- a/Documentation/devicetree/bindings/mmc/mmc.txt +++ b/Documentation/devicetree/bindings/mmc/mmc.txt @@ -53,6 +53,8 @@ Optional properties: - no-sdio: controller is limited to send sdio cmd during initialization - no-sd: controller is limited to send sd cmd during initialization - no-mmc: controller is limited to send mmc cmd during initialization +- mmc-sleep-awake: eMMC to support awake by CMD5 partial init to reduce resume + latency. *NOTE* on CD and WP polarity. To use common for all SD/MMC host controllers line polarity properties, we have to fix the meaning of the "normal" and "inverted"