From: Ferry Toth ftoth@exalondelft.nl
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@gmail.com Signed-off-by: Ferry Toth ftoth@exalondelft.nl Cc: stable stable@vger.kernel.org Link: https://lore.kernel.org/r/20210425150947.5862-1-ftoth@exalondelft.nl Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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 @@ -138,6 +138,7 @@ static const struct property_entry dwc3_ PROPERTY_ENTRY_BOOL("snps,disable_scramble_quirk"), 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"), {} };