| Message ID | 20210425150947.5862-1-ftoth@exalondelft.nl (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [v1,1/1] usb: dwc3: pci: Enable usb2-gadget-lpm-disable for Intel Merrifield | expand |
On Sun, Apr 25, 2021 at 6:26 PM Ferry Toth <ftoth@exalondelft.nl> wrote: > > On Intel Merrifield LPM is causing host to reset port after a timeout. the host > By disabling LPM entirely this is prevented. Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Thanks! > Signed-off-by: Ferry Toth <ftoth@exalondelft.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 >
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"), {} };
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@exalondelft.nl> Fixes: 066c09593454 ("usb: dwc3: pci: Enable extcon driver for Intel Merrifield") --- drivers/usb/dwc3/dwc3-pci.c | 1 + 1 file changed, 1 insertion(+)