36 lines
1.3 KiB
Diff
36 lines
1.3 KiB
Diff
From 3ed430f6b94479c7b4d26323b5fe6381ca11c0e4 Mon Sep 17 00:00:00 2001
|
|
From: Tony Lindgren <tony@atomide.com>
|
|
Date: Tue, 27 Oct 2020 13:18:57 +0530
|
|
Subject: [PATCH] usb: musb: avoid the hang in musb_pm_runtime_check_session
|
|
|
|
See thread at: https://lore.kernel.org/linux-usb/20201027045519.GA947883@aquila.localdomain/
|
|
---
|
|
drivers/usb/musb/musb_core.c | 11 +++++++----
|
|
1 file changed, 7 insertions(+), 4 deletions(-)
|
|
|
|
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
|
|
index 384a8039a7fd5..fe87046d8b28a 100644
|
|
--- a/drivers/usb/musb/musb_core.c
|
|
+++ b/drivers/usb/musb/musb_core.c
|
|
@@ -2005,10 +2005,13 @@ static void musb_pm_runtime_check_session(struct musb *musb)
|
|
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;
|
|
+ }
|
|
case MUSB_QUIRK_B_INVALID_VBUS_91:
|
|
if (musb->quirk_retries && !musb->flush_irq_work) {
|
|
musb_dbg(musb,
|
|
--
|
|
2.29.1
|
|
|