[U-Boot] [PATCH v7 02/11] net: designware: Adjust dw_adjust_link() to return an error

[Romain Perier]

From: Simon Glass <sjg at chromium.org>

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

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

Changes in v7: None
Changes in v6:
- Changed Acked-by to Signed-off-by for Romain
Changes in v5:
- Add Acked-by for Romain
Changes in v4: None
Changes in v3:
- Add new patch to adjust dw_adjust_link() to return an error

Changes in v2: None

 drivers/net/designware.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/net/designware.c b/drivers/net/designware.c
index 6ef36bc..ebcef8b 100644
--- 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;
-- 
2.9.3