5.15-stable review patch. If anyone has any objections, please let me know.
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From: Frank Li Frank.Li@nxp.com
commit dfd7cd6aafdb1f5ba93828e97e56b38304b23a05 upstream.
Upon IBIWON timeout, the SDA line will always be kept low if we don't emit a stop. Calling svc_i3c_master_emit_stop() there will let the bus return to idle state.
Fixes: dd3c52846d59 ("i3c: master: svc: Add Silvaco I3C master driver") Cc: stable@vger.kernel.org Reviewed-by: Miquel Raynal miquel.raynal@bootlin.com Signed-off-by: Frank Li Frank.Li@nxp.com Link: https://lore.kernel.org/r/20231023161658.3890811-6-Frank.Li@nxp.com Signed-off-by: Alexandre Belloni alexandre.belloni@bootlin.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/i3c/master/svc-i3c-master.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/i3c/master/svc-i3c-master.c +++ b/drivers/i3c/master/svc-i3c-master.c @@ -366,6 +366,7 @@ static void svc_i3c_master_ibi_work(stru SVC_I3C_MSTATUS_IBIWON(val), 0, 1000); if (ret) { dev_err(master->dev, "Timeout when polling for IBIWON\n"); + svc_i3c_master_emit_stop(master); goto reenable_ibis; }