On Thu, Nov 19, 2020 at 3:18 AM Dong Aisheng <aisheng.dong@xxxxxxx> wrote: > > It's normal that supplier devices may still unavaiable when parse DT to > create dependency. e.g. supplier devices populated by drivers. > Add debug info for this case. > > Cc: devicetree@xxxxxxxxxxxxxxx > Cc: Saravana Kannan <saravanak@xxxxxxxxxx> > Cc: Rob Herring <robh@xxxxxxxxxx> > Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> > Signed-off-by: Dong Aisheng <aisheng.dong@xxxxxxx> > --- > drivers/of/property.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/of/property.c b/drivers/of/property.c > index 408a7b5f06a9..21a854e85234 100644 > --- a/drivers/of/property.c > +++ b/drivers/of/property.c > @@ -1150,6 +1150,8 @@ static int of_link_to_phandle(struct device *dev, struct device_node *sup_np, > * Can't check for cycles or no cycles. So let's try > * again later. > */ > + dev_dbg(dev, "Not linking to %pOFP - device may still unavailable\n", > + sup_np); > ret = -EAGAIN; > } > All of this is going away[1]. So, Nack. -Saravana [1] - https://lore.kernel.org/lkml/20201104232356.4038506-1-saravanak@xxxxxxxxxx/