Patch "i3c: master: svc: fix SDA keep low when polling IBIWON timeout happen" has been added to the 6.6-stable tree

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This is a note to let you know that I've just added the patch titled

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

to the 6.6-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     i3c-master-svc-fix-sda-keep-low-when-polling-ibiwon-timeout-happen.patch
and it can be found in the queue-6.6 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From dfd7cd6aafdb1f5ba93828e97e56b38304b23a05 Mon Sep 17 00:00:00 2001
From: Frank Li <Frank.Li@xxxxxxx>
Date: Mon, 23 Oct 2023 12:16:57 -0400
Subject: i3c: master: svc: fix SDA keep low when polling IBIWON timeout happen

From: Frank Li <Frank.Li@xxxxxxx>

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@xxxxxxxxxxxxxxx>
Reviewed-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
Link: https://lore.kernel.org/r/20231023161658.3890811-6-Frank.Li@xxxxxxx
Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 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
@@ -405,6 +405,7 @@ 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;
 	}
 


Patches currently in stable-queue which might be from Frank.Li@xxxxxxx are

queue-6.6/i3c-master-svc-fix-wrong-data-return-when-ibi-happen-during-start-frame.patch
queue-6.6/i3c-master-svc-fix-sda-keep-low-when-polling-ibiwon-timeout-happen.patch
queue-6.6/i3c-master-svc-fix-ibi-may-not-return-mandatory-data-byte.patch
queue-6.6/i3c-master-svc-fix-check-wrong-status-register-in-irq-handler.patch
queue-6.6/i3c-master-svc-fix-random-hot-join-failure-since-timeout-error.patch
queue-6.6/i3c-master-svc-fix-race-condition-in-ibi-work-thread.patch



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