[U-Boot] [PATCH v4 2/9] net: designware: Adjust dw_adjust_link() to return an error
Simon Glass
sjg at chromium.org
Sat Dec 3 06:06:05 CET 2016
This function can fail, so return the error if there is one.
Signed-off-by: Simon Glass <sjg at chromium.org>
Acked-by: Joe Hershberger <joe.hershberger at ni.com>
---
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;
--
2.8.0.rc3.226.g39d4020
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