linux-kernel - [PATCH] Bluetooth: Add ABI doc for sysfs reset

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Message-ID: <20250120162456.1.I2524c9a7d322be04b38b29bde3d7d1e578229cca@changeid>
Date: Mon, 20 Jan 2025 16:24:59 +0800
From: Hsin-chen Chuang <chharry@...gle.com>
To: linux-bluetooth@...r.kernel.org, luiz.dentz@...il.com
Cc: chromeos-bluetooth-upstreaming@...omium.org, 
	Hsin-chen Chuang <chharry@...omium.org>, Johan Hedberg <johan.hedberg@...il.com>, 
	Marcel Holtmann <marcel@...tmann.org>, linux-kernel@...r.kernel.org
Subject: [PATCH] Bluetooth: Add ABI doc for sysfs reset

From: Hsin-chen Chuang <chharry@...omium.org>

The functionality was implemented in commit 0f8a00137411 ("Bluetooth:
Allow reset via sysfs")

Signed-off-by: Hsin-chen Chuang <chharry@...omium.org>
---

 Documentation/ABI/stable/sysfs-class-bluetooth | 9 +++++++++
 MAINTAINERS                                    | 1 +
 2 files changed, 10 insertions(+)
 create mode 100644 Documentation/ABI/stable/sysfs-class-bluetooth

diff --git a/Documentation/ABI/stable/sysfs-class-bluetooth b/Documentation/ABI/stable/sysfs-class-bluetooth
new file mode 100644
index 000000000000..e794ce706582
--- /dev/null
+++ b/Documentation/ABI/stable/sysfs-class-bluetooth
@@ -0,0 +1,9 @@
+What: 		/sys/class/bluetooth/hci<index>/reset
+Date:		14-Jan-2025
+KernelVersion:	6.13
+Contact:	linux-bluetooth@...r.kernel.org
+Description: 	This write-only attribute allows users to trigger the vendor reset
+		method on the Bluetooth device when an arbitrary data is written.
+		The reset may or may not be done through the device transport
+		(e.g., UART/USB), and can through an out-of-band approach such as
+		GPIO.
diff --git a/MAINTAINERS b/MAINTAINERS
index 797e94ba74f7..e949c3ac7846 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4058,6 +4058,7 @@ S:	Supported
 W:	http://www.bluez.org/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git
+F:	Documentation/ABI/stable/sysfs-class-bluetooth
 F:	include/net/bluetooth/
 F:	net/bluetooth/
 
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2.48.0.rc2.279.g1de40edade-goog