From mboxrd@z Thu Jan 1 00:00:00 1970 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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no 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 0C486C43331 for ; Mon, 11 Nov 2019 17:48:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DDE2D20818 for ; Mon, 11 Nov 2019 17:48:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726871AbfKKRsv (ORCPT ); Mon, 11 Nov 2019 12:48:51 -0500 Received: from mail-pf1-f195.google.com ([209.85.210.195]:42586 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726763AbfKKRsv (ORCPT ); Mon, 11 Nov 2019 12:48:51 -0500 Received: by mail-pf1-f195.google.com with SMTP id s5so11129548pfh.9 for ; Mon, 11 Nov 2019 09:48:49 -0800 (PST) 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=X5UMgjZygVeIUQEPX/5GgBbdfkQ/h7fhHpH3rSCKfmU=; b=ECnP2SFGUtvL9rJQIeODMFkj9AptkacXjUJC8j8uDrpM79Ory8u4XLyVv78y5oVw7s UA/Hz/U1LyDNEu3/CdzkkUYwNd5GbFObTnttFS4iu5LGLEi4YwwtFXMWu/R/tN7G4OfQ b6BxzUASRvaSBZaHyTzG1mHp1b3pEKfho2OqYwGBNkWvNrEExC/y6XoJjcKlv4RZKEbH 3yTd7KucQntSi8aOdC8iDlioXCt1x28TaAK4gFStYPjKktc4XTH1+kDxbrFuY0+DSZll AWaBmKZuH6AnipEZubeB/4lwERE90i3NoOrRhyIDwQY9FTm9qGPINTo0gs1SF02ERzfI L0Ig== X-Gm-Message-State: APjAAAVHfVKXZdrEynO8qswff+45vHHWbIx8jEJMN4kIZwDyE7IRBdy4 rtcsk9rBNuuFDyJUusm2FJk= X-Google-Smtp-Source: APXvYqxPvRNZyNZV6iP5OypoXBfnCPz3I3wFAUtuLIujqV+SHr540a8VHinTMKAn2s/vmtFm0+8ZIg== X-Received: by 2002:a17:90a:e651:: with SMTP id ep17mr306940pjb.74.1573494528902; Mon, 11 Nov 2019 09:48:48 -0800 (PST) Received: from desktop-bart.svl.corp.google.com ([2620:15c:2cd:202:4308:52a3:24b6:2c60]) by smtp.gmail.com with ESMTPSA id p123sm18126763pfg.30.2019.11.11.09.48.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Nov 2019 09:48:47 -0800 (PST) From: Bart Van Assche To: "Martin K . Petersen" , "James E . J . Bottomley" Cc: Bean Huo , Avri Altman , Asutosh Das , Vignesh Raghavendra , Can Guo , linux-scsi@vger.kernel.org, Bart Van Assche Subject: [PATCH v4 0/3] Simplify and optimize the UFS driver Date: Mon, 11 Nov 2019 09:48:38 -0800 Message-Id: <20191111174841.185278-1-bvanassche@acm.org> X-Mailer: git-send-email 2.24.0.rc1.363.gb1bccd3e3d-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Hello Martin, This patch series that simplifies and optimizes the UFS driver. Please consider this patch series for kernel v5.5. Thanks, Bart. Changes compared to v3: - Left out "scsi" from the name of the functions that suspend and resume command processing. Changes compared to v2: - Use a separate tag set for TMF tags. Changes compared to v1: - Use the block layer tag infrastructure for managing TMF tags. Bart Van Assche (3): ufs: Avoid busy-waiting by eliminating tag conflicts ufs: Use blk_{get,put}_request() to allocate and free TMFs ufs: Simplify the clock scaling mechanism implementation drivers/scsi/ufs/ufshcd.c | 384 +++++++++++++++++--------------------- drivers/scsi/ufs/ufshcd.h | 21 +-- 2 files changed, 173 insertions(+), 232 deletions(-)