linux-kernel - [PATCH v2 5/8] ABI: sysfs-devices: add /dev ABI

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Message-Id: <f0c710294dfa98d1e215a027990e4e0403ce5ab0.1631630792.git.mchehab+huawei@kernel.org>
Date:   Tue, 14 Sep 2021 16:55:18 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>
Cc:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        "Jonathan Corbet" <corbet@....net>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 5/8] ABI: sysfs-devices: add /dev ABI

Changeset 23681e479129 ("[PATCH] Driver core: allow struct device to have a dev_t")
added a /dev ABI for /sys/devices. Document it.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 Documentation/ABI/stable/sysfs-devices | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/ABI/stable/sysfs-devices b/Documentation/ABI/stable/sysfs-devices
index 42bf1eab5677..98a8ef99ac5f 100644
--- a/Documentation/ABI/stable/sysfs-devices
+++ b/Documentation/ABI/stable/sysfs-devices
@@ -23,3 +23,10 @@ Contact:	Device Tree mailing list <devicetree@...r.kernel.org>
 Description:
 		If CONFIG_OF is enabled, then this file is present. When
 		read, it returns full name of the device node.
+
+What:		/sys/devices/*/dev
+Date:		Jun 2006
+Contact:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
+Description:
+		Major and minor numbers of the character device corresponding
+		to the device (in <major>:<minor> format).
-- 
2.31.1