This is a note to let you know that I've just added the patch titled
i3c: master: svc: fix check wrong status register in irq handler
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-check-wrong-status-register-in-irq-handler.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 225d5ef048c4ed01a475c95d94833bd7dd61072d Mon Sep 17 00:00:00 2001
From: Frank Li <Frank.Li@xxxxxxx>
Date: Mon, 23 Oct 2023 12:16:56 -0400
Subject: i3c: master: svc: fix check wrong status register in irq handler
From: Frank Li <Frank.Li@xxxxxxx>
commit 225d5ef048c4ed01a475c95d94833bd7dd61072d upstream.
svc_i3c_master_irq_handler() wrongly checks register SVC_I3C_MINTMASKED. It
should be SVC_I3C_MSTATUS.
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/20231023161658.3890811-5-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 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/i3c/master/svc-i3c-master.c
+++ b/drivers/i3c/master/svc-i3c-master.c
@@ -477,7 +477,7 @@ reenable_ibis:
static irqreturn_t svc_i3c_master_irq_handler(int irq, void *dev_id)
{
struct svc_i3c_master *master = (struct svc_i3c_master *)dev_id;
- u32 active = readl(master->regs + SVC_I3C_MINTMASKED);
+ u32 active = readl(master->regs + SVC_I3C_MSTATUS);
if (!SVC_I3C_MSTATUS_SLVSTART(active))
return IRQ_NONE;
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
