From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 213203A2AE5 for ; Sat, 28 Feb 2026 18:17:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772302661; cv=none; b=iEzvU8VxqDT+CqigaScpamxwK5rNkYD91JnQ3Q0fXK5+h3xmfZLC1mldOxuxkXE0vJk2vtNVIfSHeJyHqzrdlPk4k2bEoCVrCPg7oQqnuhS7KUV9+30a8NeuCN/v2OLu32vlCNuJgUfgUW4mvF/ZCSJZUIw8CJGpWPl3bv22fV8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772302661; c=relaxed/simple; bh=UDEyFlivhUecmQe0RayNBPT3GrAuP9N8B9dDpL3O5jM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZG5Wlfja/u4iR2VS5Z1NPoAITRRebaCZ/ffeZrCVQUr0qpc+imVThscQaGMVvapqrUeVVE/TDtMvL693s3QBqwCiVxXxeQevJh7YySofqpN20UuuGKI2n3y7SRFbmx7krMX09fqXfDZHEgaaqbj1In8VlN/+VmH17PG27/3SR6w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QG5nO1ty; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="QG5nO1ty" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 86F80C19423; Sat, 28 Feb 2026 18:17:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772302661; bh=UDEyFlivhUecmQe0RayNBPT3GrAuP9N8B9dDpL3O5jM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QG5nO1tyjWA5mOdF4Rd9c5L44fTlcUT1Y/8RIKGr+BGOanjoWF/qwC5Xg9jVjR886 nxtx6Q+a7CZfWbK40rqw1Nn/r4cwJ7oQoVJNxmRqMgaJgqLGR2cBQsjk03gsut/Fog IsaAnUCHW6diTMVNTKj1qrszEf1tv18DcRgkaqHktgazNtZyIbijoKghkN/KV5s1fA HTXO49it+pWEHBzZ0z9hacoWOyTyI21Yi9pZnr7Q0LVH6A3zDOxflU91M67z3TFkbK IUFNsYY15PifSvB+2QZLWdQTUd5dGcDCGMtDjGVVq4vK0weACKUw0NBTvF0ZteVJh2 s1htJknwrLshQ== From: Sasha Levin To: patches@lists.linux.dev Cc: Jamie Iles , Alexandre Belloni , Sasha Levin Subject: [PATCH 5.10 005/147] i3c: remove i2c board info from i2c_dev_desc Date: Sat, 28 Feb 2026 13:15:13 -0500 Message-ID: <20260228181736.1605592-5-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228181736.1605592-1-sashal@kernel.org> References: <20260228181736.1605592-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Jamie Iles [ Upstream commit 31b9887c7258ca47d9c665a80f19f006c86756b1 ] I2C board info is only required during adapter setup so there is no requirement to keeping a pointer to it once running. To support dynamic device addition we can't rely on board info - user-space creation through sysfs won't have a boardinfo. Cc: Alexandre Belloni Signed-off-by: Jamie Iles Signed-off-by: Alexandre Belloni Link: https://lore.kernel.org/r/20220117174816.1963463-2-quic_jiles@quicinc.com Stable-dep-of: 3502cea99c7c ("i3c: Move device name assignment after i3c_bus_init") Signed-off-by: Sasha Levin --- drivers/i3c/master.c | 18 ++++++++++-------- include/linux/i3c/master.h | 1 - 2 files changed, 10 insertions(+), 9 deletions(-) diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c index aff869854ef06..1f4a7902ec4ea 100644 --- a/drivers/i3c/master.c +++ b/drivers/i3c/master.c @@ -656,7 +656,7 @@ static void i3c_master_free_i2c_dev(struct i2c_dev_desc *dev) static struct i2c_dev_desc * i3c_master_alloc_i2c_dev(struct i3c_master_controller *master, - const struct i2c_dev_boardinfo *boardinfo) + u16 addr, u8 lvr) { struct i2c_dev_desc *dev; @@ -665,9 +665,8 @@ i3c_master_alloc_i2c_dev(struct i3c_master_controller *master, return ERR_PTR(-ENOMEM); dev->common.master = master; - dev->boardinfo = boardinfo; - dev->addr = boardinfo->base.addr; - dev->lvr = boardinfo->lvr; + dev->addr = addr; + dev->lvr = lvr; return dev; } @@ -741,7 +740,7 @@ i3c_master_find_i2c_dev_by_addr(const struct i3c_master_controller *master, struct i2c_dev_desc *dev; i3c_bus_for_each_i2cdev(&master->bus, dev) { - if (dev->boardinfo->base.addr == addr) + if (dev->addr == addr) return dev; } @@ -1731,7 +1730,9 @@ static int i3c_master_bus_init(struct i3c_master_controller *master) i2cboardinfo->base.addr, I3C_ADDR_SLOT_I2C_DEV); - i2cdev = i3c_master_alloc_i2c_dev(master, i2cboardinfo); + i2cdev = i3c_master_alloc_i2c_dev(master, + i2cboardinfo->base.addr, + i2cboardinfo->lvr); if (IS_ERR(i2cdev)) { ret = PTR_ERR(i2cdev); goto err_detach_devs; @@ -2220,6 +2221,7 @@ static int i3c_master_i2c_adapter_init(struct i3c_master_controller *master) { struct i2c_adapter *adap = i3c_master_to_i2c_adapter(master); struct i2c_dev_desc *i2cdev; + struct i2c_dev_boardinfo *i2cboardinfo; int ret; adap->dev.parent = master->dev.parent; @@ -2239,8 +2241,8 @@ static int i3c_master_i2c_adapter_init(struct i3c_master_controller *master) * We silently ignore failures here. The bus should keep working * correctly even if one or more i2c devices are not registered. */ - i3c_bus_for_each_i2cdev(&master->bus, i2cdev) - i2cdev->dev = i2c_new_client_device(adap, &i2cdev->boardinfo->base); + list_for_each_entry(i2cboardinfo, &master->boardinfo.i2c, node) + i2cdev->dev = i2c_new_client_device(adap, &i2cboardinfo->base); return 0; } diff --git a/include/linux/i3c/master.h b/include/linux/i3c/master.h index ea3781d730064..b31170e37655f 100644 --- a/include/linux/i3c/master.h +++ b/include/linux/i3c/master.h @@ -85,7 +85,6 @@ struct i2c_dev_boardinfo { */ struct i2c_dev_desc { struct i3c_i2c_dev_desc common; - const struct i2c_dev_boardinfo *boardinfo; struct i2c_client *dev; u16 addr; u8 lvr; -- 2.51.0