test this diff, dwc3 work for my device, thanks. 2020-02-07 13:16 GMT+08:00, Kishon Vijay Abraham I <kishon@xxxxxx>: > Hi, > > On 06/02/20 7:09 PM, youling257 wrote: >> This patch cause "dwc3 dwc3.3.auto: failed to create device link to >> dwc3.3.auto.ulpi" problem. >> https://bugzilla.kernel.org/show_bug.cgi?id=206435 > > I'm suspecting there is some sort of reverse dependency with dwc3 ULPI. > Can you try the following diff? > > diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c > index 2eb28cc2d2dc..397311dcb116 100644 > --- a/drivers/phy/phy-core.c > +++ b/drivers/phy/phy-core.c > @@ -687,7 +687,7 @@ struct phy *phy_get(struct device *dev, const char > *string) > > get_device(&phy->dev); > > - link = device_link_add(dev, &phy->dev, DL_FLAG_STATELESS); > + link = device_link_add(dev, &phy->dev, DL_FLAG_SYNC_STATE_ONLY); > if (!link) { > dev_err(dev, "failed to create device link to %s\n", > dev_name(phy->dev.parent)); > @@ -802,7 +802,7 @@ struct phy *devm_of_phy_get(struct device *dev, > struct device_node *np, > return phy; > } > > - link = device_link_add(dev, &phy->dev, DL_FLAG_STATELESS); > + link = device_link_add(dev, &phy->dev, DL_FLAG_SYNC_STATE_ONLY); > if (!link) { > dev_err(dev, "failed to create device link to %s\n", > dev_name(phy->dev.parent)); > @@ -851,7 +851,7 @@ struct phy *devm_of_phy_get_by_index(struct device > *dev, struct device_node *np, > *ptr = phy; > devres_add(dev, ptr); > > - link = device_link_add(dev, &phy->dev, DL_FLAG_STATELESS); > + link = device_link_add(dev, &phy->dev, DL_FLAG_SYNC_STATE_ONLY); > if (!link) { > dev_err(dev, "failed to create device link to %s\n", > dev_name(phy->dev.parent)); > > Thanks > Kishon >
