This is a note to let you know that I've just added the patch titled
usb: musb: Fix suspend with devices connected for a64
to the 4.14-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:
usb-musb-fix-suspend-with-devices-connected-for-a64.patch
and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 92af4fc6ec331228aca322ca37c8aea7b150a151 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@xxxxxxxxxxx>
Date: Wed, 24 Mar 2021 09:11:41 +0200
Subject: usb: musb: Fix suspend with devices connected for a64
From: Tony Lindgren <tony@xxxxxxxxxxx>
commit 92af4fc6ec331228aca322ca37c8aea7b150a151 upstream.
Pinephone running on Allwinner A64 fails to suspend with USB devices
connected as reported by Bhushan Shah <bshah@xxxxxxx>. Reverting
commit 5fbf7a253470 ("usb: musb: fix idling for suspend after
disconnect interrupt") fixes the issue.
Let's add suspend checks also for suspend after disconnect interrupt
quirk handling like we already do elsewhere.
Fixes: 5fbf7a253470 ("usb: musb: fix idling for suspend after disconnect interrupt")
Reported-by: Bhushan Shah <bshah@xxxxxxx>
Tested-by: Bhushan Shah <bshah@xxxxxxx>
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210324071142.42264-1-tony@xxxxxxxxxxx
Cc: stable <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/musb/musb_core.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -1864,10 +1864,14 @@ static void musb_pm_runtime_check_sessio
MUSB_DEVCTL_HR;
switch (devctl & ~s) {
case MUSB_QUIRK_B_DISCONNECT_99:
- musb_dbg(musb, "Poll devctl in case of suspend after disconnect\n");
- schedule_delayed_work(&musb->irq_work,
- msecs_to_jiffies(1000));
- break;
+ if (musb->quirk_retries && !musb->flush_irq_work) {
+ musb_dbg(musb, "Poll devctl in case of suspend after disconnect\n");
+ schedule_delayed_work(&musb->irq_work,
+ msecs_to_jiffies(1000));
+ musb->quirk_retries--;
+ break;
+ }
+ fallthrough;
case MUSB_QUIRK_B_INVALID_VBUS_91:
if (musb->quirk_retries && !musb->flush_irq_work) {
musb_dbg(musb,
Patches currently in stable-queue which might be from tony@xxxxxxxxxxx are
queue-4.14/usb-musb-fix-suspend-with-devices-connected-for-a64.patch
