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i3c: master: svc: fix SDA keep low when polling IBIWON timeout happen

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commit dfd7cd6aaf 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: dd3c52846d ("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>
This commit is contained in:
Frank Li 2023-10-23 12:16:57 -04:00 committed by Greg Kroah-Hartman
parent ccf8c93a3c
commit d85cce9a5c
1 changed files with 1 additions and 0 deletions
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1
drivers/i3c/master/svc-i3c-master.c
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@ -405,6 +405,7 @@ static void svc_i3c_master_ibi_work(struct work_struct *work)
SVC_I3C_MSTATUS_IBIWON(val), 0, 1000); SVC_I3C_MSTATUS_IBIWON(val), 0, 1000);
if (ret) { if (ret) {
dev_err(master->dev, "Timeout when polling for IBIWON\n"); dev_err(master->dev, "Timeout when polling for IBIWON\n");
svc_i3c_master_emit_stop(master);
goto reenable_ibis; goto reenable_ibis;
} }