This is a note to let you know that I've just added the patch titled
usb: dwc3: pci: Enable usb2-gadget-lpm-disable for Intel Merrifield
to the 5.12-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-dwc3-pci-enable-usb2-gadget-lpm-disable-for-intel-merrifield.patch
and it can be found in the queue-5.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 04357fafea9c7ed34525eb9680c760245c3bb958 Mon Sep 17 00:00:00 2001
From: Ferry Toth <ftoth@xxxxxxxxxxxxxx>
Date: Sun, 25 Apr 2021 17:09:47 +0200
Subject: usb: dwc3: pci: Enable usb2-gadget-lpm-disable for Intel Merrifield
From: Ferry Toth <ftoth@xxxxxxxxxxxxxx>
commit 04357fafea9c7ed34525eb9680c760245c3bb958 upstream.
On Intel Merrifield LPM is causing host to reset port after a timeout.
By disabling LPM entirely this is prevented.
Fixes: 066c09593454 ("usb: dwc3: pci: Enable extcon driver for Intel Merrifield")
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Signed-off-by: Ferry Toth <ftoth@xxxxxxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210425150947.5862-1-ftoth@xxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/dwc3/dwc3-pci.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -123,6 +123,7 @@ static const struct property_entry dwc3_
PROPERTY_ENTRY_STRING("linux,extcon-name", "mrfld_bcove_pwrsrc"),
PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"),
PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"),
+ PROPERTY_ENTRY_BOOL("snps,usb2-gadget-lpm-disable"),
PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
{}
};
Patches currently in stable-queue which might be from ftoth@xxxxxxxxxxxxxx are
queue-5.12/usb-dwc3-pci-enable-usb2-gadget-lpm-disable-for-intel-merrifield.patch
