net: designware: Adjust dw_adjust_link() to return an error

This function can fail, so return the error if there is one.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Romain Perier <romain.perier@collabora.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 6ef36bc8cbea7734178188537a793b30573acebb..ebcef8beaab0b2c5f5a104b0e67a3dbe48a43e71 100644 (file)
--- a/drivers/net/designware.c
+++ b/drivers/net/designware.c
@@ -230,14 +230,14 @@ static int _dw_write_hwaddr(struct dw_eth_dev *priv, u8 *mac_id)
        return 0;
 }
 
-static void dw_adjust_link(struct eth_mac_regs *mac_p,
-                          struct phy_device *phydev)
+static int dw_adjust_link(struct dw_eth_dev *priv, struct eth_mac_regs *mac_p,
+                         struct phy_device *phydev)
 {
        u32 conf = readl(&mac_p->conf) | FRAMEBURSTENABLE | DISABLERXOWN;
 
        if (!phydev->link) {
                printf("%s: No link.\n", phydev->dev->name);
-               return;
+               return 0;
        }
 
        if (phydev->speed != 1000)
@@ -256,6 +256,8 @@ static void dw_adjust_link(struct eth_mac_regs *mac_p,
        printf("Speed: %d, %s duplex%s\n", phydev->speed,
               (phydev->duplex) ? "full" : "half",
               (phydev->port == PORT_FIBRE) ? ", fiber mode" : "");
+
+       return 0;
 }
 
 static void _dw_eth_halt(struct dw_eth_dev *priv)
@@ -321,7 +323,9 @@ static int _dw_eth_init(struct dw_eth_dev *priv, u8 *enetaddr)
                return ret;
        }
 
-       dw_adjust_link(mac_p, priv->phydev);
+       ret = dw_adjust_link(priv, mac_p, priv->phydev);
+       if (ret)
+               return ret;
 
        if (!priv->phydev->link)
                return -EIO;