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| author | Frank Li <Frank.Li@nxp.com> | 2023-10-23 19:16:57 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-11-28 20:20:06 +0300 |
| commit | 98e366afabf14e1ee1bd9e7f2bb2deabbce38059 (patch) | |
| tree | 9f404052fbd1fbe1ada03f694239270849acce81 /drivers/i3c | |
| parent | ac33f259748461ea8c48c5f32b4ea626021eccc0 (diff) | |
| download | linux-98e366afabf14e1ee1bd9e7f2bb2deabbce38059.tar.xz | |
i3c: master: svc: fix SDA keep low when polling IBIWON timeout happen
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>
Diffstat (limited to 'drivers/i3c')
| -rw-r--r-- | drivers/i3c/master/svc-i3c-master.c | 1 |
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 23805db842f7..26871128ae63 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; } |