From patchwork Thu Jun 21 21:09:08 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: William Breathitt Gray X-Patchwork-Id: 10480601 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0DEAB604D3 for ; Thu, 21 Jun 2018 21:09:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F2C2F28FF6 for ; Thu, 21 Jun 2018 21:09:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E48F629000; Thu, 21 Jun 2018 21:09:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6937828FF6 for ; Thu, 21 Jun 2018 21:09:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933364AbeFUVJR (ORCPT ); Thu, 21 Jun 2018 17:09:17 -0400 Received: from mail-yb0-f193.google.com ([209.85.213.193]:39113 "EHLO mail-yb0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933304AbeFUVJP (ORCPT ); Thu, 21 Jun 2018 17:09:15 -0400 Received: by mail-yb0-f193.google.com with SMTP id i2-v6so1761472ybg.6; Thu, 21 Jun 2018 14:09:15 -0700 (PDT) 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=4zP3g6YtZ7zJLe7eZLat2TAxtKPNPvZLc7PSTZXPCP8=; b=K4OehykXsAfcP0AmEkiq6ehVSso8wI/qeILkJdOWJeVn8LUt3GVVenyCa39wW8uC4l J7NPsyOI/P1y6+aurK7IizsrQiwo3Fspkm3WKEqgTl1DpXma6UcBoMSB5qXKYfaeXYUn AYJGYFaLEakQb4dcrPyr1IakMZ34+eqHH3tg7NSWs1fjNMPWFDBs62WGiwR12CLwltlD dS5hHkWkFNmYkM8Swt+Lj6+BERPqM7L7HayEcrYYTeeXXi4PvVeUJGe7sWAw2QkoMt+j ii0UWQbwRCKQnJy0BgyMrSYGeaiimqFL571ggo7i6c9de4rSM2gls2kiGT+dbV20tzgy U17Q== 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=4zP3g6YtZ7zJLe7eZLat2TAxtKPNPvZLc7PSTZXPCP8=; b=ezKM3FSu6X2q+mh2JtXYgC355Bk0otSXOSZ78r6I+LOwTJo0UA0DRwwzTNAzKIFhQL EG8wtbed9XxZ0h+IJTeTmMfV3KN2tICFYUqgsOEoz/+j3u0FFmX0rAo3BnFdLaHRrwRK ZGiEQBnYoWxnQ6KtQUSw2uYOS7bANNmPFrXgdnELDJue+byZP//6fXC65cNuOkKxt9rz P3usWKHfXTjE78KusltfrPvlT5GJNXXbn0QovoN5X+GG1q63HaudjvAd2RTyj50bb3iq 5gY3e5ekgd6T0sKrUTGRRtwUIdIviU+aSzHtfKTnedc8oeDG2gmL11pmw4Jkv7rn3DJS HphA== X-Gm-Message-State: APt69E11DjtTHo5xNjnOiSA9/6fzwD917mrKYMQO7dJyGq29hEITqjw7 pinOKUmc2D//kIa5GJAZMww= X-Google-Smtp-Source: ADUXVKJ5B6IQhgZAt2UwhZlE8gRDFGZNBwMCyI0IpExgmX5nJwWnrMMQVqAWE/W1+Mx+L8pVhoJTMA== X-Received: by 2002:a25:dd86:: with SMTP id u128-v6mr13971117ybg.271.1529615354805; Thu, 21 Jun 2018 14:09:14 -0700 (PDT) Received: from localhost ([72.188.97.40]) by smtp.gmail.com with ESMTPSA id q7-v6sm1932750ywa.57.2018.06.21.14.09.14 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 21 Jun 2018 14:09:14 -0700 (PDT) From: William Breathitt Gray To: gregkh@linuxfoundation.org Cc: jic23@kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, fabrice.gasnier@st.com, benjamin.gaignard@st.com, robh+dt@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, mark.rutland@arm.com, William Breathitt Gray Subject: [PATCH v7 10/10] iio: counter: Add deprecation markings for IIO Counter attributes Date: Thu, 21 Jun 2018 17:09:08 -0400 Message-Id: X-Mailer: git-send-email 2.17.1 In-Reply-To: References: Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The IIO counter subdirectory is now superceded by the Counter subsystem. This patch adds deprecation warnings to the documentation of the relevant IIO Counter sysfs attributes. Acked-by: Jonathan Cameron Signed-off-by: William Breathitt Gray --- Documentation/ABI/testing/sysfs-bus-iio | 8 ++++++++ .../ABI/testing/sysfs-bus-iio-counter-104-quad-8 | 16 ++++++++++++++++ 2 files changed, 24 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index c7353030670a..fc50adf08e47 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -1649,6 +1649,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_countY_raw KernelVersion: 4.10 Contact: linux-iio@vger.kernel.org Description: + This interface is deprecated; please use the Counter subsystem. + Raw counter device counts from channel Y. For quadrature counters, multiplication by an available [Y]_scale results in the counts of a single quadrature signal phase from channel Y. @@ -1657,6 +1659,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_indexY_raw KernelVersion: 4.10 Contact: linux-iio@vger.kernel.org Description: + This interface is deprecated; please use the Counter subsystem. + Raw counter device index value from channel Y. This attribute provides an absolute positional reference (e.g. a pulse once per revolution) which may be used to home positional systems as @@ -1666,6 +1670,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_count_count_direction_available KernelVersion: 4.12 Contact: linux-iio@vger.kernel.org Description: + This interface is deprecated; please use the Counter subsystem. + A list of possible counting directions which are: - "up" : counter device is increasing. - "down": counter device is decreasing. @@ -1674,4 +1680,6 @@ What: /sys/bus/iio/devices/iio:deviceX/in_countY_count_direction KernelVersion: 4.12 Contact: linux-iio@vger.kernel.org Description: + This interface is deprecated; please use the Counter subsystem. + Raw counter device counters direction for channel Y. diff --git a/Documentation/ABI/testing/sysfs-bus-iio-counter-104-quad-8 b/Documentation/ABI/testing/sysfs-bus-iio-counter-104-quad-8 index 7fac2c268d9a..bac3d0d48b7b 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio-counter-104-quad-8 +++ b/Documentation/ABI/testing/sysfs-bus-iio-counter-104-quad-8 @@ -6,6 +6,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_index_synchronous_mode_available KernelVersion: 4.10 Contact: linux-iio@vger.kernel.org Description: + This interface is deprecated; please use the Counter subsystem. + Discrete set of available values for the respective counter configuration are listed in this file. @@ -13,6 +15,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_countY_count_mode KernelVersion: 4.10 Contact: linux-iio@vger.kernel.org Description: + This interface is deprecated; please use the Counter subsystem. + Count mode for channel Y. Four count modes are available: normal, range limit, non-recycle, and modulo-n. The preset value for channel Y is used by the count mode where required. @@ -47,6 +51,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_countY_noise_error KernelVersion: 4.10 Contact: linux-iio@vger.kernel.org Description: + This interface is deprecated; please use the Counter subsystem. + Read-only attribute that indicates whether excessive noise is present at the channel Y count inputs in quadrature clock mode; irrelevant in non-quadrature clock mode. @@ -55,6 +61,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_countY_preset KernelVersion: 4.10 Contact: linux-iio@vger.kernel.org Description: + This interface is deprecated; please use the Counter subsystem. + If the counter device supports preset registers, the preset count for channel Y is provided by this attribute. @@ -62,6 +70,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_countY_quadrature_mode KernelVersion: 4.10 Contact: linux-iio@vger.kernel.org Description: + This interface is deprecated; please use the Counter subsystem. + Configure channel Y counter for non-quadrature or quadrature clock mode. Selecting non-quadrature clock mode will disable synchronous load mode. In quadrature clock mode, the channel Y @@ -83,6 +93,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_countY_set_to_preset_on_index KernelVersion: 4.10 Contact: linux-iio@vger.kernel.org Description: + This interface is deprecated; please use the Counter subsystem. + Whether to set channel Y counter with channel Y preset value when channel Y index input is active, or continuously count. Valid attribute values are boolean. @@ -91,6 +103,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_indexY_index_polarity KernelVersion: 4.10 Contact: linux-iio@vger.kernel.org Description: + This interface is deprecated; please use the Counter subsystem. + Active level of channel Y index input; irrelevant in non-synchronous load mode. @@ -98,6 +112,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_indexY_synchronous_mode KernelVersion: 4.10 Contact: linux-iio@vger.kernel.org Description: + This interface is deprecated; please use the Counter subsystem. + Configure channel Y counter for non-synchronous or synchronous load mode. Synchronous load mode cannot be selected in non-quadrature clock mode.