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Message-Id: <20210425150947.5862-1-ftoth@exalondelft.nl>
Date: Sun, 25 Apr 2021 17:09:47 +0200
From: Ferry Toth <ftoth@...londelft.nl>
To: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Felipe Balbi <balbi@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Ferry Toth <ftoth@...londelft.nl>
Subject: [PATCH v1 1/1] usb: dwc3: pci: Enable usb2-gadget-lpm-disable for Intel Merrifield
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@...londelft.nl>
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
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