* [PATCH AUTOSEL 5.15 028/153] i3c: master: svc: Fix missing STOP for master request
[not found] <20250505231320.2695319-1-sashal@kernel.org>
@ 2025-05-05 23:11 ` Sasha Levin
0 siblings, 0 replies; only message in thread
From: Sasha Levin @ 2025-05-05 23:11 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Stanley Chu, Frank Li, Alexandre Belloni, Sasha Levin,
miquel.raynal, linux-i3c, imx
From: Stanley Chu <yschu@nuvoton.com>
[ Upstream commit 0430bf9bc1ac068c8b8c540eb93e5751872efc51 ]
The controller driver nacked the master request but didn't emit a
STOP to end the transaction. The driver shall refuse the unsupported
requests and return the controller state to IDLE by emitting a STOP.
Signed-off-by: Stanley Chu <yschu@nuvoton.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20250318053606.3087121-4-yschu@nuvoton.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/i3c/master/svc-i3c-master.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c
index 368429a34d600..92488ba5b5f2a 100644
--- a/drivers/i3c/master/svc-i3c-master.c
+++ b/drivers/i3c/master/svc-i3c-master.c
@@ -437,6 +437,7 @@ static void svc_i3c_master_ibi_work(struct work_struct *work)
queue_work(master->base.wq, &master->hj_work);
break;
case SVC_I3C_MSTATUS_IBITYPE_MASTER_REQUEST:
+ svc_i3c_master_emit_stop(master);
default:
break;
}
--
2.39.5
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