@@ -598,6 +598,9 @@ static void ax88772_suspend(struct usbnet *dev)
struct asix_common_private *priv = dev->driver_priv;
u16 medium;
+ if (netif_running(dev->net))
+ phy_stop(priv->phydev);
+
/* Stop MAC operation */
medium = asix_read_medium_status(dev, 1);
medium &= ~AX_MEDIUM_RE;
@@ -605,14 +608,6 @@ static void ax88772_suspend(struct usbnet *dev)
netdev_dbg(dev->net, "ax88772_suspend: medium=0x%04x\n",
asix_read_medium_status(dev, 1));
-
- /* Preserve BMCR for restoring */
- priv->presvd_phy_bmcr =
- asix_mdio_read_nopm(dev->net, dev->mii.phy_id, MII_BMCR);
-
- /* Preserve ANAR for restoring */
- priv->presvd_phy_advertise =
- asix_mdio_read_nopm(dev->net, dev->mii.phy_id, MII_ADVERTISE);
}
static int asix_suspend(struct usb_interface *intf, pm_message_t message)
@@ -626,39 +621,22 @@ static int asix_suspend(struct usb_interface *intf, pm_message_t message)
return usbnet_suspend(intf, message);
}
-static void ax88772_restore_phy(struct usbnet *dev)
-{
- struct asix_common_private *priv = dev->driver_priv;
-
- if (priv->presvd_phy_advertise) {
- /* Restore Advertisement control reg */
- asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_ADVERTISE,
- priv->presvd_phy_advertise);
-
- /* Restore BMCR */
- if (priv->presvd_phy_bmcr & BMCR_ANENABLE)
- priv->presvd_phy_bmcr |= BMCR_ANRESTART;
-
- asix_mdio_write_nopm(dev->net, dev->mii.phy_id, MII_BMCR,
- priv->presvd_phy_bmcr);
-
- priv->presvd_phy_advertise = 0;
- priv->presvd_phy_bmcr = 0;
- }
-}
-
static void ax88772_resume(struct usbnet *dev)
{
+ struct asix_common_private *priv = dev->driver_priv;
int i;
for (i = 0; i < 3; i++)
if (!ax88772_hw_reset(dev, 1))
break;
- ax88772_restore_phy(dev);
+
+ if (netif_running(dev->net))
+ phy_start(priv->phydev);
}
static void ax88772a_resume(struct usbnet *dev)
{
+ struct asix_common_private *priv = dev->driver_priv;
int i;
for (i = 0; i < 3; i++) {
@@ -666,7 +644,8 @@ static void ax88772a_resume(struct usbnet *dev)
break;
}
- ax88772_restore_phy(dev);
+ if (netif_running(dev->net))
+ phy_start(priv->phydev);
}
static int asix_resume(struct usb_interface *intf)
@@ -722,6 +701,8 @@ static int ax88772_init_phy(struct usbnet *dev)
return ret;
}
+ priv->phydev->mac_managed_pm = 1;
+
phy_attached_info(priv->phydev);
return 0;
Take over PHY power management, otherwise PHY framework will try to access ASIX MDIO bus before MAC resume was completed. Fixes: e532a096be0e ("net: usb: asix: ax88772: add phylib support") Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Reported-by: Marek Szyprowski <m.szyprowski@samsung.com> Reported-by: Jon Hunter <jonathanh@nvidia.com> Suggested-by: Heiner Kallweit <hkallweit1@gmail.com> --- drivers/net/usb/asix_devices.c | 43 ++++++++++------------------------ 1 file changed, 12 insertions(+), 31 deletions(-)