Current driver supports PAL that does link status checking anyway.

Signed-off-by: Andre Edich <andre.ed...@microchip.com>
---
 drivers/net/usb/smsc95xx.c | 55 --------------------------------------
 1 file changed, 55 deletions(-)

diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 9d2710f6d396..8731724bf2c5 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -51,8 +51,6 @@
 #define SUSPEND_ALLMODES               (SUSPEND_SUSPEND0 | SUSPEND_SUSPEND1 | \
                                         SUSPEND_SUSPEND2 | SUSPEND_SUSPEND3)
 
-#define CARRIER_CHECK_DELAY (2 * HZ)
-
 struct smsc95xx_priv {
        u32 chip_id;
        u32 mac_cr;
@@ -64,8 +62,6 @@ struct smsc95xx_priv {
        u8 suspend_flags;
        u8 mdix_ctrl;
        bool link_ok;
-       struct delayed_work carrier_check;
-       struct usbnet *dev;
        struct mii_bus *mdiobus;
        struct phy_device *phydev;
        bool internal_phy;
@@ -644,44 +640,6 @@ static void smsc95xx_status(struct usbnet *dev, struct urb 
*urb)
                            intdata);
 }
 
-static void set_carrier(struct usbnet *dev, bool link)
-{
-       struct smsc95xx_priv *pdata = dev->driver_priv;
-
-       if (pdata->link_ok == link)
-               return;
-
-       pdata->link_ok = link;
-
-       if (link)
-               usbnet_link_change(dev, 1, 0);
-       else
-               usbnet_link_change(dev, 0, 0);
-}
-
-static void check_carrier(struct work_struct *work)
-{
-       struct smsc95xx_priv *pdata = container_of(work, struct smsc95xx_priv,
-                                               carrier_check.work);
-       struct usbnet *dev = pdata->dev;
-       int ret;
-
-       if (pdata->suspend_flags != 0)
-               return;
-
-       ret = smsc95xx_mdio_read(dev->net, dev->mii.phy_id, MII_BMSR);
-       if (ret < 0) {
-               netdev_warn(dev->net, "Failed to read MII_BMSR\n");
-               return;
-       }
-       if (ret & BMSR_LSTATUS)
-               set_carrier(dev, 1);
-       else
-               set_carrier(dev, 0);
-
-       schedule_delayed_work(&pdata->carrier_check, CARRIER_CHECK_DELAY);
-}
-
 /* Enable or disable Tx & Rx checksum offload engines */
 static int smsc95xx_set_features(struct net_device *netdev,
        netdev_features_t features)
@@ -1333,11 +1291,6 @@ static int smsc95xx_bind(struct usbnet *dev, struct 
usb_interface *intf)
        dev->net->min_mtu = ETH_MIN_MTU;
        dev->net->max_mtu = ETH_DATA_LEN;
        dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
-
-       pdata->dev = dev;
-       INIT_DELAYED_WORK(&pdata->carrier_check, check_carrier);
-       schedule_delayed_work(&pdata->carrier_check, CARRIER_CHECK_DELAY);
-
        return 0;
 
 unregister_mdio:
@@ -1355,7 +1308,6 @@ static void smsc95xx_unbind(struct usbnet *dev, struct 
usb_interface *intf)
 {
        struct smsc95xx_priv *pdata = dev->driver_priv;
 
-       cancel_delayed_work_sync(&pdata->carrier_check);
        mdiobus_unregister(pdata->mdiobus);
        mdiobus_free(pdata->mdiobus);
        netif_dbg(dev, ifdown, dev->net, "free pdata\n");
@@ -1649,8 +1601,6 @@ static int smsc95xx_suspend(struct usb_interface *intf, 
pm_message_t message)
                return ret;
        }
 
-       cancel_delayed_work_sync(&pdata->carrier_check);
-
        if (pdata->suspend_flags) {
                netdev_warn(dev->net, "error during last resume\n");
                pdata->suspend_flags = 0;
@@ -1894,10 +1844,6 @@ static int smsc95xx_suspend(struct usb_interface *intf, 
pm_message_t message)
        if (ret && PMSG_IS_AUTO(message))
                usbnet_resume(intf);
 
-       if (ret)
-               schedule_delayed_work(&pdata->carrier_check,
-                                     CARRIER_CHECK_DELAY);
-
        return ret;
 }
 
@@ -1917,7 +1863,6 @@ static int smsc95xx_resume(struct usb_interface *intf)
 
        /* do this first to ensure it's cleared even in error case */
        pdata->suspend_flags = 0;
-       schedule_delayed_work(&pdata->carrier_check, CARRIER_CHECK_DELAY);
 
        if (suspend_flags & SUSPEND_ALLMODES) {
                /* clear wake-up sources */
-- 
2.27.0

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