From patchwork Tue Dec 8 21:09:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bean Huo X-Patchwork-Id: 340725 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=-10.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, 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 C5DD6C4361B for ; Tue, 8 Dec 2020 21:11:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9098F207AA for ; Tue, 8 Dec 2020 21:11:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726766AbgLHVKc (ORCPT ); Tue, 8 Dec 2020 16:10:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45614 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725766AbgLHVKc (ORCPT ); Tue, 8 Dec 2020 16:10:32 -0500 Received: from mail-ej1-x643.google.com (mail-ej1-x643.google.com [IPv6:2a00:1450:4864:20::643]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 07757C0613D6; Tue, 8 Dec 2020 13:09:52 -0800 (PST) Received: by mail-ej1-x643.google.com with SMTP id x16so26643901ejj.7; Tue, 08 Dec 2020 13:09:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=wNs/3miZJZMRVGd+tONPw5tRmrGF0sc2ymKJoQXU/q8=; b=NtwAvitu0Dgz05kasu9RPNf/EgA1QoLlWEzF65LW6NMQGstFb1Ho4Ix3Y7zaXwtAy3 9zkPGbuDEXl3kOvqpACvCCPpVVaku1DpBwRKvSSPfjbrqe6TmukWn/ec95WLQcgdNqTC qIy1eugiLQU6LJ5BW6qiEPsOACSrIUIb2Po0ZtQo4XBNABypvgL5nUWjARUUzKqca57K iOjRzwXSrSEvB/+l3xiyJwHm/rdwqFuV0YTHMTk6Z33QSXGnJRwIBQllQxXfw68AEfwr fTilrDKF9bmaVauS/1UffKj+cy2Xk9q16OizX5xj+28Ad68ljoV0NEA6skRH8SxXrMoZ T2vA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=wNs/3miZJZMRVGd+tONPw5tRmrGF0sc2ymKJoQXU/q8=; b=OlbG0WjUHa1vqdgcsfLqZ2VTppdn2eYjeiC+oUmcPviLotJbilgqepCAOTEGCL+s37 RODDFQNYoEOrmgQ9zSIfGcf+s/O57IKuWdsDdl0WJ/iw+ti5saLSrCbip/rg9uJw+aeu x4FXHieRGwDIgVYNfS4NjdVYCbjw3RB6Cmu9zMk41TosBBv2MpA0lfEXM5/0Yf3V6a7q nfmHbc/AMBeJcqPH3U2e0Wd/Vfp4GZf13bAShy2hzeWSMcBChCPpWBdbeFqenbOU2UDh SAthnVlgLJ9JbrJ6vEsvfMSUJei53DkkOWt4Yts2IQ8G4Y/NqnSyF/cJyLTnH+4RQpfa zRBw== X-Gm-Message-State: AOAM531T/Z4yA38yx1eUUad8m6nXx6fVCv6xnFfhSyXjFXKFDiuomhvQ zyFL5y6QQMaEvrlaXo1HpY8= X-Google-Smtp-Source: ABdhPJz246F7teP6RzCfKElrHJAlYH7IEETY5MjpJ+xEOtfKHwtDj99KXOS9nDGpl+pqFU9r4XDB+Q== X-Received: by 2002:a17:906:3081:: with SMTP id 1mr25895007ejv.162.1607461790800; Tue, 08 Dec 2020 13:09:50 -0800 (PST) Received: from localhost.localdomain (ip5f5bfce9.dynamic.kabel-deutschland.de. [95.91.252.233]) by smtp.gmail.com with ESMTPSA id n22sm17908edr.11.2020.12.08.13.09.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Dec 2020 13:09:50 -0800 (PST) From: Bean Huo To: alim.akhtar@samsung.com, avri.altman@wdc.com, asutoshd@codeaurora.org, jejb@linux.ibm.com, martin.petersen@oracle.com, stanley.chu@mediatek.com, beanhuo@micron.com, bvanassche@acm.org, tomas.winkler@intel.com, cang@codeaurora.org Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 0/3] Three changes for UFS WriteBooster Date: Tue, 8 Dec 2020 22:09:38 +0100 Message-Id: <20201208210941.2177-1-huobean@gmail.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Bean Huo Changelog: v2--v3: 1. Change multi-line comments style in patch 1/3 (Can Guo) v1--v2: 1. Take is_hibern8_wb_flush checkup out from function ufshcd_wb_need_flush() in patch 2/3 2. Add UFSHCD_CAP_CLK_SCALING checkup in patch 1/3. that means only for the platform, which doesn't support UFSHCD_CAP_CLK_SCALING, can control WB through "wb_on". Bean Huo (3): scsi: ufs: Add "wb_on" sysfs node to control WB on/off scsi: ufs: Keep device active mode only fWriteBoosterBufferFlushDuringHibernate == 1 scsi: ufs: Changes comment in the function ufshcd_wb_probe() drivers/scsi/ufs/ufs-sysfs.c | 41 ++++++++++++++++++++++++++++++++++++ drivers/scsi/ufs/ufs.h | 2 ++ drivers/scsi/ufs/ufshcd.c | 30 ++++++++++++++++---------- drivers/scsi/ufs/ufshcd.h | 2 ++ 4 files changed, 64 insertions(+), 11 deletions(-)