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authorFrank Li <Frank.Li@nxp.com>2023-10-23 12:16:57 -0400
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2023-11-03 19:48:17 +0100
commitdfd7cd6aafdb1f5ba93828e97e56b38304b23a05 (patch)
treec7881e91f887b8e676983a9e04b1eb9c5ccdd08c /drivers/i3c
parent225d5ef048c4ed01a475c95d94833bd7dd61072d (diff)
downloadlinux-dfd7cd6aafdb1f5ba93828e97e56b38304b23a05.tar.gz
i3c: master: svc: fix SDA keep low when polling IBIWON timeout happen
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>
Diffstat (limited to 'drivers/i3c')
-rw-r--r--drivers/i3c/master/svc-i3c-master.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c
index 0673ecd1a39d1..18843e07d1757 100644
--- a/drivers/i3c/master/svc-i3c-master.c
+++ b/drivers/i3c/master/svc-i3c-master.c
@@ -405,6 +405,7 @@ static void svc_i3c_master_ibi_work(struct work_struct *work)
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;
}