From patchwork Mon Jan 4 15:50:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrian Hunter X-Patchwork-Id: 357269 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 E9CD8C433E0 for ; Mon, 4 Jan 2021 15:51:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B29682250E for ; Mon, 4 Jan 2021 15:51:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727477AbhADPve (ORCPT ); Mon, 4 Jan 2021 10:51:34 -0500 Received: from mga07.intel.com ([134.134.136.100]:39821 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727091AbhADPvd (ORCPT ); Mon, 4 Jan 2021 10:51:33 -0500 IronPort-SDR: FD8BL12+IT2NZgesGqsKgE9WnZiGHpL1I50sNxQ7yj+BCpu/Zlo5HTfzO8Kk9g2cCvatTTbbts xcg/reeWJsCg== X-IronPort-AV: E=McAfee;i="6000,8403,9854"; a="241053131" X-IronPort-AV: E=Sophos;i="5.78,474,1599548400"; d="scan'208";a="241053131" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jan 2021 07:50:44 -0800 IronPort-SDR: mlzO7HhaOfOsx3UeYuSpgsvWRDZqZRKXSTvrbyieyA7f/VhR/gkUGdYJCgztbcpaCJ9grbY3lm IcCW40IYk23g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,474,1599548400"; d="scan'208";a="569394156" Received: from ahunter-desktop.fi.intel.com ([10.237.72.94]) by fmsmga005.fm.intel.com with ESMTP; 04 Jan 2021 07:50:41 -0800 From: Adrian Hunter To: "Martin K . Petersen" , "James E . J . Bottomley" Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Alim Akhtar , Avri Altman , Bean Huo , Can Guo , Stanley Chu Subject: [PATCH V2] docs: ABI: sysfs-driver-ufs: Add DeepSleep power mode Date: Mon, 4 Jan 2021 17:50:26 +0200 Message-Id: <20210104155026.16417-1-adrian.hunter@intel.com> X-Mailer: git-send-email 2.17.1 Organization: Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Update sysfs documentation for addition of DeepSleep power mode. Fixes: fe1d4c2ebcae ("scsi: ufs: Add DeepSleep feature") Signed-off-by: Adrian Hunter --- Changes in V2: Amended commit messages and added Fixes tag, since DeepSleep is now in v5.11-rc1 Documentation/ABI/testing/sysfs-driver-ufs | 34 +++++++++++++--------- 1 file changed, 20 insertions(+), 14 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs index adc0d0e91607..e77fa784d6d8 100644 --- a/Documentation/ABI/testing/sysfs-driver-ufs +++ b/Documentation/ABI/testing/sysfs-driver-ufs @@ -916,21 +916,24 @@ Date: September 2014 Contact: Subhash Jadavani Description: This entry could be used to set or show the UFS device runtime power management level. The current driver - implementation supports 6 levels with next target states: + implementation supports 7 levels with next target states: == ==================================================== - 0 an UFS device will stay active, an UIC link will + 0 UFS device will stay active, UIC link will stay active - 1 an UFS device will stay active, an UIC link will + 1 UFS device will stay active, UIC link will hibernate - 2 an UFS device will moved to sleep, an UIC link will + 2 UFS device will be moved to sleep, UIC link will stay active - 3 an UFS device will moved to sleep, an UIC link will + 3 UFS device will be moved to sleep, UIC link will hibernate - 4 an UFS device will be powered off, an UIC link will + 4 UFS device will be powered off, UIC link will hibernate - 5 an UFS device will be powered off, an UIC link will + 5 UFS device will be powered off, UIC link will be powered off + 6 UFS device will be moved to deep sleep, UIC link + will be powered off. Note, deep sleep might not be + supported in which case this value will not be accepted == ==================================================== What: /sys/bus/platform/drivers/ufshcd/*/rpm_target_dev_state @@ -954,21 +957,24 @@ Date: September 2014 Contact: Subhash Jadavani Description: This entry could be used to set or show the UFS device system power management level. The current driver - implementation supports 6 levels with next target states: + implementation supports 7 levels with next target states: == ==================================================== - 0 an UFS device will stay active, an UIC link will + 0 UFS device will stay active, UIC link will stay active - 1 an UFS device will stay active, an UIC link will + 1 UFS device will stay active, UIC link will hibernate - 2 an UFS device will moved to sleep, an UIC link will + 2 UFS device will be moved to sleep, UIC link will stay active - 3 an UFS device will moved to sleep, an UIC link will + 3 UFS device will be moved to sleep, UIC link will hibernate - 4 an UFS device will be powered off, an UIC link will + 4 UFS device will be powered off, UIC link will hibernate - 5 an UFS device will be powered off, an UIC link will + 5 UFS device will be powered off, UIC link will be powered off + 6 UFS device will be moved to deep sleep, UIC link + will be powered off. Note, deep sleep might not be + supported in which case this value will not be accepted == ==================================================== What: /sys/bus/platform/drivers/ufshcd/*/spm_target_dev_state