From patchwork Mon Jan 18 20:10:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bean Huo X-Patchwork-Id: 12028129 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 19AD6C433DB for ; Mon, 18 Jan 2021 20:13:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E6B3A22E02 for ; Mon, 18 Jan 2021 20:13:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2437898AbhARUM4 (ORCPT ); Mon, 18 Jan 2021 15:12:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43088 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2437859AbhARULe (ORCPT ); Mon, 18 Jan 2021 15:11:34 -0500 Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CC077C0613C1; Mon, 18 Jan 2021 12:10:53 -0800 (PST) Received: by mail-ej1-x62f.google.com with SMTP id gx5so6150007ejb.7; Mon, 18 Jan 2021 12:10:53 -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:in-reply-to:references; bh=73XbxUbs64FU2jf4GNHlCLFC9xngJBFU6S4JYLdWQPY=; b=EElB4eeRk0qL+qtOQdwO4VzxuqCyj4d7facrUMagC5gqDrz3EmUba7cxdByuEbM4NN ZE8qTRHA6Y4wTRr5E4/L+jb9gnIj6LAAdKaKM53Q/w0C3Bil/XxOVq8gpsWUnzO9fEj7 MdvJe9s/bOMDsByZeTJbo/MUHcfr2KKdW7Q122Z3e4dEXVe/UctSJqBMGQrSjgMdkdMS IVJD+qJPSfVhgk3N5D/2YbytJcMgRXz9+GGNKop1WgYC53mgWP7mnT4x0awmchAHOxVM cnTIe+tcWRDiLs/Tc/aXc3B23VDVMMlYswKKXAR65YJrFh/7KAT7JjgoVdk7n9af/dDf 3WeQ== 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:in-reply-to :references; bh=73XbxUbs64FU2jf4GNHlCLFC9xngJBFU6S4JYLdWQPY=; b=dcUs9OlW4Xoy6vtVHCjr2OjUDjSvKdDErD9mwtxc3uF/0dJSKcHx+isMFA0ut7aFdT CLevPEEV8Y4txnCP2G5L0hCu0IcXfQvUr9bBXR8ybd3y6A4+U0ZIR+TQEl+uG+pKbadw Z8rfVYOYyJFIClqo8wRtMwM7n2BRQiUThS+T6GY89nQvUstXTJUkyHT32wzHG3xVKiiV BOkrLGra4xDc87uG/y9tBYvXcBDWSA26QC42D2iG7anAxmBEzDN26KFX5F3i71aJzNMt sAqoTSUdMIAfEOiUKapz4T586MQtf5jFxgMWRd86HEDur+TxANWMFpLl/dxMppyZZSQO mArQ== X-Gm-Message-State: AOAM531Aqxq9cVD3bRDVRZc26k72cSZys7Ra0dOg5pibzAFZBqIRR3q/ zkC/NvHM9BOTMZ9aZECqyEI= X-Google-Smtp-Source: ABdhPJznGH4/1+AIfeU1Jj3YROTe4oOtb6hLcVKBQVnEphQbn+8G+XS/JiCjvNjEgj5gE9FW9O6XDA== X-Received: by 2002:a17:906:6087:: with SMTP id t7mr910768ejj.90.1611000652628; Mon, 18 Jan 2021 12:10:52 -0800 (PST) Received: from localhost.localdomain (ip5f5bee1b.dynamic.kabel-deutschland.de. [95.91.238.27]) by smtp.gmail.com with ESMTPSA id qh13sm3972543ejb.33.2021.01.18.12.10.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Jan 2021 12:10:52 -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 v6 2/6] docs: ABI: Add wb_on documentation for UFS sysfs Date: Mon, 18 Jan 2021 21:10:35 +0100 Message-Id: <20210118201039.2398-3-huobean@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210118201039.2398-1-huobean@gmail.com> References: <20210118201039.2398-1-huobean@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Bean Huo Adds UFS sysfs documentation for new entry wb_on. Signed-off-by: Bean Huo --- Documentation/ABI/testing/sysfs-driver-ufs | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs index adc0d0e91607..f0a1ac385c7f 100644 --- a/Documentation/ABI/testing/sysfs-driver-ufs +++ b/Documentation/ABI/testing/sysfs-driver-ufs @@ -1153,3 +1153,11 @@ Description: This entry shows the configured size of WriteBooster buffer. 0400h corresponds to 4GB. The file is read only. + +What: /sys/bus/platform/drivers/ufshcd/*/wb_on +Date: January 2021 +Contact: Bean Huo +Description: This node is used to set or display whether UFS WriteBooster is + enabled. Echo 0 to this file to disable UFS WriteBooster or 1 to enable + it. Note, this is only allowed for the platform doesen't support + UFSHCD_CAP_CLK_SCALING.