The carrier checking code is completely handled by the internal phydev
state machine, remove it.
Signed-off-by: Marek Vasut <ma...@denx.de>
Cc: David S. Miller <da...@davemloft.net>
Cc: Nisar Sayed <nisar.sa...@microchip.com>
Cc: Woojung Huh <woojung....@microchip.com>
Cc: Andrew Lunn <and...@lunn.ch>
Cc: Florian Fainelli <f.faine...@gmail.com>
Cc: linux-...@vger.kernel.org
To: netdev@vger.kernel.org
---
drivers/net/usb/smsc95xx.c | 53 ++++----------------------------------
1 file changed, 5 insertions(+), 48 deletions(-)
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index ea5b9de10348..c9931955c22a 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -75,7 +75,6 @@ struct smsc95xx_priv {
u8 suspend_flags;
u8 mdix_ctrl;
bool link_ok;
- struct delayed_work carrier_check;
struct usbnet *dev;
struct mii_bus *mii_bus;
struct phy_device *phydev;
@@ -605,44 +604,6 @@ static void smsc95xx_status(struct usbnet *dev, struct urb
*urb)
intdata);
}
-static void set_carrier(struct usbnet *dev, bool link)
-{
- struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
-
- 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 = phy_read(pdata->phydev, 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)
@@ -1370,9 +1331,6 @@ static int smsc95xx_bind(struct usbnet *dev, struct
usb_interface *intf)
dev->net->max_mtu = ETH_DATA_LEN;
dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
- INIT_DELAYED_WORK(&pdata->carrier_check, check_carrier);
- schedule_delayed_work(&pdata->carrier_check, CARRIER_CHECK_DELAY);
-
return 0;
err_mdiobus_register:
mdiobus_free(bus);
@@ -1386,7 +1344,6 @@ static void smsc95xx_unbind(struct usbnet *dev, struct
usb_interface *intf)
struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
if (pdata) {
- cancel_delayed_work(&pdata->carrier_check);
netif_dbg(dev, ifdown, dev->net, "free pdata\n");
mdiobus_unregister(pdata->mii_bus);
mdiobus_free(pdata->mii_bus);
@@ -1639,14 +1596,14 @@ static int smsc95xx_suspend(struct usb_interface *intf,
pm_message_t message)
u32 val, link_up;
int ret;
+ phy_stop(pdata->phydev);
+
ret = usbnet_suspend(intf, message);
if (ret < 0) {
netdev_warn(dev->net, "usbnet_suspend error\n");
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;
@@ -1891,8 +1848,7 @@ static int smsc95xx_suspend(struct usb_interface *intf,
pm_message_t message)
usbnet_resume(intf);
if (ret)
- schedule_delayed_work(&pdata->carrier_check,
- CARRIER_CHECK_DELAY);
+ phy_start(pdata->phydev);
return ret;
}
@@ -1913,7 +1869,6 @@ 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 */
@@ -1944,6 +1899,8 @@ static int smsc95xx_resume(struct usb_interface *intf)
if (ret < 0)
netdev_warn(dev->net, "usbnet_resume error\n");
+ phy_start(pdata->phydev);
+
return ret;
}
--
2.19.2
