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 5.11-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-5.11 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 @@ -120,6 +120,7 @@ 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-5.11/usb-dwc3-pci-enable-usb2-gadget-lpm-disable-for-intel-merrifield.patch