summaryrefslogtreecommitdiff
path: root/drivers/net/usb/ax88179_178a.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2018-04-01 14:04:58 -0400
committerDavid S. Miller <davem@davemloft.net>2018-04-01 14:04:58 -0400
commitc07255020551cadae8bf903f2c5e1fcbad731bac (patch)
tree9331e13431235f71ec53c5558ca81a8063805f9e /drivers/net/usb/ax88179_178a.c
parentec1258903a13d0255695a07280ae5e32303aa6c5 (diff)
Revert "net: usb: asix88179_178a: de-duplicate code"
This reverts commit cf29bded91f9153208c4c2145d602cd82430ad1a. It causes regressions. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb/ax88179_178a.c')
-rw-r--r--drivers/net/usb/ax88179_178a.c117
1 files changed, 86 insertions, 31 deletions
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index fb1b78d4b9ef..a6ef75907ae9 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -1223,7 +1223,7 @@ static int ax88179_led_setting(struct usbnet *dev)
return 0;
}
-static int ax88179_link_bind_or_reset(struct usbnet *dev, bool do_reset)
+static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
{
u8 buf[5];
u16 *tmp16;
@@ -1231,11 +1231,12 @@ static int ax88179_link_bind_or_reset(struct usbnet *dev, bool do_reset)
struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
struct ethtool_eee eee_data;
+ usbnet_get_endpoints(dev, intf);
+
tmp16 = (u16 *)buf;
tmp = (u8 *)buf;
- if (!do_reset)
- memset(ax179_data, 0, sizeof(*ax179_data));
+ memset(ax179_data, 0, sizeof(*ax179_data));
/* Power up ethernet PHY */
*tmp16 = 0;
@@ -1248,13 +1249,9 @@ static int ax88179_link_bind_or_reset(struct usbnet *dev, bool do_reset)
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_CLK_SELECT, 1, 1, tmp);
msleep(100);
- if (do_reset)
- ax88179_auto_detach(dev, 0);
-
ax88179_read_cmd(dev, AX_ACCESS_MAC, AX_NODE_ID, ETH_ALEN,
ETH_ALEN, dev->net->dev_addr);
- if (!do_reset)
- memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
+ memcpy(dev->net->perm_addr, dev->net->dev_addr, ETH_ALEN);
/* RX bulk configuration */
memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
@@ -1269,21 +1266,19 @@ static int ax88179_link_bind_or_reset(struct usbnet *dev, bool do_reset)
ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_PAUSE_WATERLVL_HIGH,
1, 1, tmp);
- if (!do_reset) {
- dev->net->netdev_ops = &ax88179_netdev_ops;
- dev->net->ethtool_ops = &ax88179_ethtool_ops;
- dev->net->needed_headroom = 8;
- dev->net->max_mtu = 4088;
-
- /* Initialize MII structure */
- dev->mii.dev = dev->net;
- dev->mii.mdio_read = ax88179_mdio_read;
- dev->mii.mdio_write = ax88179_mdio_write;
- dev->mii.phy_id_mask = 0xff;
- dev->mii.reg_num_mask = 0xff;
- dev->mii.phy_id = 0x03;
- dev->mii.supports_gmii = 1;
- }
+ dev->net->netdev_ops = &ax88179_netdev_ops;
+ dev->net->ethtool_ops = &ax88179_ethtool_ops;
+ dev->net->needed_headroom = 8;
+ dev->net->max_mtu = 4088;
+
+ /* Initialize MII structure */
+ dev->mii.dev = dev->net;
+ dev->mii.mdio_read = ax88179_mdio_read;
+ dev->mii.mdio_write = ax88179_mdio_write;
+ dev->mii.phy_id_mask = 0xff;
+ dev->mii.reg_num_mask = 0xff;
+ dev->mii.phy_id = 0x03;
+ dev->mii.supports_gmii = 1;
dev->net->features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
NETIF_F_RXCSUM;
@@ -1335,13 +1330,6 @@ static int ax88179_link_bind_or_reset(struct usbnet *dev, bool do_reset)
return 0;
}
-static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
-{
- usbnet_get_endpoints(dev, intf);
-
- return ax88179_link_bind_or_reset(dev, false);
-}
-
static void ax88179_unbind(struct usbnet *dev, struct usb_interface *intf)
{
u16 tmp16;
@@ -1470,7 +1458,74 @@ ax88179_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
static int ax88179_link_reset(struct usbnet *dev)
{
- return ax88179_link_bind_or_reset(dev, true);
+ struct ax88179_data *ax179_data = (struct ax88179_data *)dev->data;
+ u8 tmp[5], link_sts;
+ u16 mode, tmp16, delay = HZ / 10;
+ u32 tmp32 = 0x40000000;
+ unsigned long jtimeout;
+
+ jtimeout = jiffies + delay;
+ while (tmp32 & 0x40000000) {
+ mode = 0;
+ ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2, &mode);
+ ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_CTL, 2, 2,
+ &ax179_data->rxctl);
+
+ /*link up, check the usb device control TX FIFO full or empty*/
+ ax88179_read_cmd(dev, 0x81, 0x8c, 0, 4, &tmp32);
+
+ if (time_after(jiffies, jtimeout))
+ return 0;
+ }
+
+ mode = AX_MEDIUM_RECEIVE_EN | AX_MEDIUM_TXFLOW_CTRLEN |
+ AX_MEDIUM_RXFLOW_CTRLEN;
+
+ ax88179_read_cmd(dev, AX_ACCESS_MAC, PHYSICAL_LINK_STATUS,
+ 1, 1, &link_sts);
+
+ ax88179_read_cmd(dev, AX_ACCESS_PHY, AX88179_PHY_ID,
+ GMII_PHY_PHYSR, 2, &tmp16);
+
+ if (!(tmp16 & GMII_PHY_PHYSR_LINK)) {
+ return 0;
+ } else if (GMII_PHY_PHYSR_GIGA == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
+ mode |= AX_MEDIUM_GIGAMODE | AX_MEDIUM_EN_125MHZ;
+ if (dev->net->mtu > 1500)
+ mode |= AX_MEDIUM_JUMBO_EN;
+
+ if (link_sts & AX_USB_SS)
+ memcpy(tmp, &AX88179_BULKIN_SIZE[0], 5);
+ else if (link_sts & AX_USB_HS)
+ memcpy(tmp, &AX88179_BULKIN_SIZE[1], 5);
+ else
+ memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
+ } else if (GMII_PHY_PHYSR_100 == (tmp16 & GMII_PHY_PHYSR_SMASK)) {
+ mode |= AX_MEDIUM_PS;
+
+ if (link_sts & (AX_USB_SS | AX_USB_HS))
+ memcpy(tmp, &AX88179_BULKIN_SIZE[2], 5);
+ else
+ memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
+ } else {
+ memcpy(tmp, &AX88179_BULKIN_SIZE[3], 5);
+ }
+
+ /* RX bulk configuration */
+ ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_RX_BULKIN_QCTRL, 5, 5, tmp);
+
+ dev->rx_urb_size = (1024 * (tmp[3] + 2));
+
+ if (tmp16 & GMII_PHY_PHYSR_FULL)
+ mode |= AX_MEDIUM_FULL_DUPLEX;
+ ax88179_write_cmd(dev, AX_ACCESS_MAC, AX_MEDIUM_STATUS_MODE,
+ 2, 2, &mode);
+
+ ax179_data->eee_enabled = ax88179_chk_eee(dev);
+
+ netif_carrier_on(dev->net);
+
+ return 0;
}
static int ax88179_reset(struct usbnet *dev)