5.15-stable review patch. If anyone has any objections, please let me know.
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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; }