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Message-ID: <9235D6609DB808459E95D78E17F2E43D55C6AF@CHN-SV-EXMX02.mchp-main.com>
Date: Wed, 16 Sep 2015 23:41:14 +0000
From: <Woojung.Huh@...rochip.com>
To: <davem@...emloft.net>
CC: <netdev@...r.kernel.org>
Subject: [PATCH net 5/6] lan78xx: Create lan78xx_get_mdix_status() and
lan78xx_set_mdix_status() for MDIX control.
Create lan78xx_get_mdix_status() and lan78xx_set_mdix_status() for MDIX control.
Signed-off-by: Woojung Huh <woojung.huh@...rochip.com>
---
drivers/net/usb/lan78xx.c | 90 +++++++++++++++++++++++++++--------------------
1 file changed, 52 insertions(+), 38 deletions(-)
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 517264d..9102c71 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -1175,6 +1175,55 @@ static void lan78xx_set_msglevel(struct net_device *net, u32 level)
dev->msg_enable = level;
}
+static int lan78xx_get_mdix_status(struct net_device *net)
+{
+ struct phy_device *phydev = net->phydev;
+ int buf;
+
+ phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS, LAN88XX_EXT_PAGE_SPACE_1);
+ buf = phy_read(phydev, LAN88XX_EXT_MODE_CTRL);
+ phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS, LAN88XX_EXT_PAGE_SPACE_0);
+
+ return buf;
+}
+
+static void lan78xx_set_mdix_status(struct net_device *net, __u8 mdix_ctrl)
+{
+ struct lan78xx_net *dev = netdev_priv(net);
+ struct phy_device *phydev = net->phydev;
+ int buf;
+
+ if (mdix_ctrl == ETH_TP_MDI) {
+ phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
+ LAN88XX_EXT_PAGE_SPACE_1);
+ buf = phy_read(phydev, LAN88XX_EXT_MODE_CTRL);
+ buf &= ~LAN88XX_EXT_MODE_CTRL_MDIX_MASK_;
+ phy_write(phydev, LAN88XX_EXT_MODE_CTRL,
+ buf | LAN88XX_EXT_MODE_CTRL_MDI_);
+ phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
+ LAN88XX_EXT_PAGE_SPACE_0);
+ } else if (mdix_ctrl == ETH_TP_MDI_X) {
+ phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
+ LAN88XX_EXT_PAGE_SPACE_1);
+ buf = phy_read(phydev, LAN88XX_EXT_MODE_CTRL);
+ buf &= ~LAN88XX_EXT_MODE_CTRL_MDIX_MASK_;
+ phy_write(phydev, LAN88XX_EXT_MODE_CTRL,
+ buf | LAN88XX_EXT_MODE_CTRL_MDI_X_);
+ phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
+ LAN88XX_EXT_PAGE_SPACE_0);
+ } else if (mdix_ctrl == ETH_TP_MDI_AUTO) {
+ phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
+ LAN88XX_EXT_PAGE_SPACE_1);
+ buf = phy_read(phydev, LAN88XX_EXT_MODE_CTRL);
+ buf &= ~LAN88XX_EXT_MODE_CTRL_MDIX_MASK_;
+ phy_write(phydev, LAN88XX_EXT_MODE_CTRL,
+ buf | LAN88XX_EXT_MODE_CTRL_AUTO_MDIX_);
+ phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
+ LAN88XX_EXT_PAGE_SPACE_0);
+ }
+ dev->mdix_ctrl = mdix_ctrl;
+}
+
static int lan78xx_get_settings(struct net_device *net, struct ethtool_cmd *cmd)
{
struct lan78xx_net *dev = netdev_priv(net);
@@ -1188,9 +1237,7 @@ static int lan78xx_get_settings(struct net_device *net, struct ethtool_cmd *cmd)
ret = phy_ethtool_gset(phydev, cmd);
- phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS, LAN88XX_EXT_PAGE_SPACE_1);
- buf = phy_read(phydev, LAN88XX_EXT_MODE_CTRL);
- phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS, LAN88XX_EXT_PAGE_SPACE_0);
+ buf = lan78xx_get_mdix_status(net);
buf &= LAN88XX_EXT_MODE_CTRL_MDIX_MASK_;
if (buf == LAN88XX_EXT_MODE_CTRL_AUTO_MDIX_) {
@@ -1221,34 +1268,7 @@ static int lan78xx_set_settings(struct net_device *net, struct ethtool_cmd *cmd)
return ret;
if (dev->mdix_ctrl != cmd->eth_tp_mdix_ctrl) {
- if (cmd->eth_tp_mdix_ctrl == ETH_TP_MDI) {
- phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
- LAN88XX_EXT_PAGE_SPACE_1);
- temp = phy_read(phydev, LAN88XX_EXT_MODE_CTRL);
- temp &= ~LAN88XX_EXT_MODE_CTRL_MDIX_MASK_;
- phy_write(phydev, LAN88XX_EXT_MODE_CTRL,
- temp | LAN88XX_EXT_MODE_CTRL_MDI_);
- phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
- LAN88XX_EXT_PAGE_SPACE_0);
- } else if (cmd->eth_tp_mdix_ctrl == ETH_TP_MDI_X) {
- phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
- LAN88XX_EXT_PAGE_SPACE_1);
- temp = phy_read(phydev, LAN88XX_EXT_MODE_CTRL);
- temp &= ~LAN88XX_EXT_MODE_CTRL_MDIX_MASK_;
- phy_write(phydev, LAN88XX_EXT_MODE_CTRL,
- temp | LAN88XX_EXT_MODE_CTRL_MDI_X_);
- phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
- LAN88XX_EXT_PAGE_SPACE_0);
- } else if (cmd->eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO) {
- phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
- LAN88XX_EXT_PAGE_SPACE_1);
- temp = phy_read(phydev, LAN88XX_EXT_MODE_CTRL);
- temp &= ~LAN88XX_EXT_MODE_CTRL_MDIX_MASK_;
- phy_write(phydev, LAN88XX_EXT_MODE_CTRL,
- temp | LAN88XX_EXT_MODE_CTRL_AUTO_MDIX_);
- phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS,
- LAN88XX_EXT_PAGE_SPACE_0);
- }
+ lan78xx_set_mdix_status(net, cmd->eth_tp_mdix_ctrl);
}
/* change speed & duplex */
@@ -1504,13 +1524,7 @@ static int lan78xx_phy_init(struct lan78xx_net *dev)
}
/* set to AUTOMDIX */
- phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS, LAN88XX_EXT_PAGE_SPACE_1);
- ret = phy_read(phydev, LAN88XX_EXT_MODE_CTRL);
- ret &= ~LAN88XX_EXT_MODE_CTRL_MDIX_MASK_;
- phy_write(phydev, LAN88XX_EXT_MODE_CTRL,
- ret | LAN88XX_EXT_MODE_CTRL_AUTO_MDIX_);
- phy_write(phydev, LAN88XX_EXT_PAGE_ACCESS, LAN88XX_EXT_PAGE_SPACE_0);
- dev->mdix_ctrl = ETH_TP_MDI_AUTO;
+ lan78xx_set_mdix_status(dev->net, ETH_TP_MDI_AUTO);
/* MAC doesn't support 1000T Half */
phydev->supported &= ~SUPPORTED_1000baseT_Half;
--
2.1.4
--
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