From nobody Thu Dec 25 16:11:54 2025 Received: from relay2-d.mail.gandi.net (relay2-d.mail.gandi.net [217.70.183.194]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 84CC4F4F3 for ; Sun, 14 Jan 2024 22:52:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="cxMyM7oC" Received: by mail.gandi.net (Postfix) with ESMTPSA id CA69440002; Sun, 14 Jan 2024 22:52:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1705272763; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=E+pmWiFAk9xDSX3xHw8tyfQSE8GLes3W457god8mEvU=; b=cxMyM7oCZSziHqrnDSE/nfEKYLW0fXqfDBpGGENQQPEuhUNCwFwSAu0y+EMs7OhvVo0fKa DTYGi4nUcDKVXHasP2EWXiJ7F1EhVxuqquW8tpHDTis9+86a8C9spd83ty1qlKbAL2wccr VSOxNdzRdSKi7vMgSkB8FemMfOiQTZq9ZLZRY1xzIpYbNCXIvYaS5ZOSUftnJJKHYQzLT/ 2RnSR+f6VaYg8GafFi3eFNA9W3pCJmXAuckix2LHpTPN2BhSiqXuVwYRbksTwqnaj/C7uT ZqbZ9w3kqMFTXfKLwGdsAH604MvxAB+AjF8OXlq1/oXfGT6XJUb2sGIplZUlng== From: alexandre.belloni@bootlin.com To: Alexandre Belloni Cc: linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] i3c: document hotjoin sysfs entry Date: Sun, 14 Jan 2024 23:52:25 +0100 Message-ID: <20240114225232.140860-1-alexandre.belloni@bootlin.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-GND-Sasl: alexandre.belloni@bootlin.com From: Alexandre Belloni The hotjoin syfs entry allows to enable or disable Hot-Join on the Current Controller of the I3C Bus. Signed-off-by: Alexandre Belloni --- Documentation/ABI/testing/sysfs-bus-i3c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-i3c b/Documentation/ABI/te= sting/sysfs-bus-i3c index e5248fd67a56..c812ab180ff4 100644 --- a/Documentation/ABI/testing/sysfs-bus-i3c +++ b/Documentation/ABI/testing/sysfs-bus-i3c @@ -88,6 +88,21 @@ Description: This entry describes the HDRCAP of the master controller driving the bus. =20 +What: /sys/bus/i3c/devices/i3c-/hotjoin +KernelVersion: 6.8 +Contact: linux-i3c@vger.kernel.org +Description: + I3C=E2=80=99s Hot-Join mechanism allows an I3C Device to inform the + Active Controller that a newly-joined Target is present on the + I3C Bus and is ready to receive a Dynamic Address, in order to + become fully functional on the Bus. Hot-Join is used when the + Target is mounted on the same I3C bus and remains depowered + until needed or until the Target is physically inserted into the + I3C bus + + This entry allows to enable or disable Hot-join of the Current + Controller driving the bus. + What: /sys/bus/i3c/devices/i3c-/- KernelVersion: 5.0 Contact: linux-i3c@vger.kernel.org --=20 2.43.0