On Sat, 17 Oct 2015, Dinh Nguyen wrote: > On Sat, 17 Oct 2015, Andrew Lunn wrote: > > > > Sure, will try to debug. It looks like phydev->attached_dev is valid, but > > > phydev->attached_dev->dev.of_node is NULL. > > > > Humm > > > > phydev->attached_dev is a net_device, so should be the mac. What > > device is phydev->attached_dev->dev? Is it not the dev embedded in the > > platform_device passed to socfpga_dwmac_probe()? > > > > Yes, it looks like it is, the dev->of_node is valid in socfpga_dwmac_probe(), > but it looks like of_node is getting lost somewhere. >
Do you know why this happening? In ksz9021_config_init(): @@ -345,7 +345,11 @@ static int ksz9021_config_init(struct phy_device *phydev) phydev->attached_dev->dev.of_node) of_node = phydev->attached_dev->dev.of_node; + printk("%s %08x\n", __func__, phydev->attached_dev->dev.of_node); + printk("%s %08x %08x\n", __func__, phydev->attached_dev->dev, phydev->attached_dev->dev.of_node); [ 1.923311] ksz9021_config_init 00000000 [ 1.927224] ksz9021_config_init eedc0210 ee401680 The first printout shows phydev->attached_dev->dev.of_node is NULL. but the second printout, where I'm also printing out phydev->attached_dev->dev, then phydev->attached_dev->dev.of_node is not NULL. BR, Dinh -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html