linux-kernel - [PATCH] i3c: Move device name assignment after i3c_bus

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Message-ID: <20260112-upstream_i3c_fix-v1-1-cbbf2cb71809@aspeedtech.com>
Date: Mon, 12 Jan 2026 14:07:22 +0800
From: Billy Tsai <billy_tsai@...eedtech.com>
To: Alexandre Belloni <alexandre.belloni@...tlin.com>, Frank Li
	<Frank.Li@....com>
CC: <linux-i3c@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, "Billy
 Tsai" <billy_tsai@...eedtech.com>
Subject: [PATCH] i3c: Move device name assignment after i3c_bus_init

Move device name initialization to occur after i3c_bus_init()
so that i3cbus->id is guaranteed to be assigned before it is used.

Fixes: 9d4f219807d5 ("i3c: fix refcount inconsistency in i3c_master_register")
Signed-off-by: Billy Tsai <billy_tsai@...eedtech.com>
---
 drivers/i3c/master.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index 7f606c871648..1bc3c9068402 100644
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -2881,7 +2881,6 @@ int i3c_master_register(struct i3c_master_controller *master,
 	INIT_LIST_HEAD(&master->boardinfo.i3c);
 
 	device_initialize(&master->dev);
-	dev_set_name(&master->dev, "i3c-%d", i3cbus->id);
 
 	master->dev.dma_mask = parent->dma_mask;
 	master->dev.coherent_dma_mask = parent->coherent_dma_mask;
@@ -2891,6 +2890,8 @@ int i3c_master_register(struct i3c_master_controller *master,
 	if (ret)
 		goto err_put_dev;
 
+	dev_set_name(&master->dev, "i3c-%d", i3cbus->id);
+
 	ret = of_populate_i3c_bus(master);
 	if (ret)
 		goto err_put_dev;

---
base-commit: 9c7ef209cd0f7c1a92ed61eed3e835d6e4abc66c
change-id: 20260112-upstream_i3c_fix-455a2cc442a5

Best regards,
-- 
Billy Tsai <billy_tsai@...eedtech.com>