From 0ea38db90caa55e8366c9bef4214ab52b3fedf6a Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 11 Jan 2017 11:46:08 +0100 Subject: [PATCH] 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 Signed-off-by: Romain Perier Acked-by: Joe Hershberger --- 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 6ef36bc8cb..ebcef8beaa 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;