[PATCH v1 1/1] usb: dwc3: pci: Enable usb2-gadget-lpm-disable for Intel Merrifield

From: Ferry Toth
Date: Sun Apr 25 2021 - 11:26:26 EST


On Intel Merrifield LPM is causing host to reset port after a timeout.
By disabling LPM entirely this is prevented.

Signed-off-by: Ferry Toth <ftoth@xxxxxxxxxxxxxx>
Fixes: 066c09593454 ("usb: dwc3: pci: Enable extcon driver for Intel Merrifield")
---
drivers/usb/dwc3/dwc3-pci.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 4c5c6972124a..e5d7eed2e60c 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -122,6 +122,7 @@ static const struct property_entry dwc3_pci_mrfld_properties[] = {
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"),
{}
};
--
2.27.0