From patchwork Thu Sep 2 10:18:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Adrian Hunter X-Patchwork-Id: 12471187 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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=ham 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 31FF4C4320E for ; Thu, 2 Sep 2021 10:18:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 18F1F610A1 for ; Thu, 2 Sep 2021 10:18:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242697AbhIBKTA (ORCPT ); Thu, 2 Sep 2021 06:19:00 -0400 Received: from mga06.intel.com ([134.134.136.31]:50178 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233818AbhIBKS7 (ORCPT ); Thu, 2 Sep 2021 06:18:59 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10094"; a="280072777" X-IronPort-AV: E=Sophos;i="5.84,372,1620716400"; d="scan'208";a="280072777" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Sep 2021 03:17:50 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,372,1620716400"; d="scan'208";a="542572507" Received: from ahunter-desktop.fi.intel.com ([10.237.72.174]) by fmsmga002.fm.intel.com with ESMTP; 02 Sep 2021 03:17:48 -0700 From: Adrian Hunter To: "Martin K . Petersen" Cc: "James E . J . Bottomley" , Bean Huo , Avri Altman , Can Guo , Asutosh Das , Bart Van Assche , linux-scsi@vger.kernel.org Subject: [PATCH 0/3] scsi: ufs: Let devices remain runtime suspended during system suspend Date: Thu, 2 Sep 2021 13:18:15 +0300 Message-Id: <20210902101818.4132-1-adrian.hunter@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: 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 Hi UFS devices can remain runtime suspended at system suspend time, if the conditions are right. Add support for that, first fixing the impediments. Adrian Hunter (3): scsi: ufs: Fix error handler clear ua deadlock scsi: ufs: Fix runtime PM dependencies getting broken scsi: ufs: Let devices remain runtime suspended during system suspend drivers/scsi/scsi_pm.c | 16 +++++++--- drivers/scsi/ufs/ufshcd.c | 79 +++++++++++++++++++++++++++++++--------------- drivers/scsi/ufs/ufshcd.h | 11 ++++++- include/scsi/scsi_device.h | 1 + 4 files changed, 75 insertions(+), 32 deletions(-) Regards Adrian