These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / staging / octeon / ethernet-sgmii.c

diff --git a/kernel/drivers/staging/octeon/ethernet-sgmii.c b/kernel/drivers/staging/octeon/ethernet-sgmii.c
index 21a7a17..7424dc4 100644 (file)
--- a/kernel/drivers/staging/octeon/ethernet-sgmii.c
+++ b/kernel/drivers/staging/octeon/ethernet-sgmii.c
@@ -1,29 +1,13 @@
-/**********************************************************************
- * Author: Cavium Networks
- *
- * Contact: support@caviumnetworks.com
- * This file is part of the OCTEON SDK
+/*
+ * This file is based on code from OCTEON SDK by Cavium Networks.
  *
  * Copyright (c) 2003-2007 Cavium Networks
  *
  * This file is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License, Version 2, as
  * published by the Free Software Foundation.
- *
- * This file is distributed in the hope that it will be useful, but
- * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
- * NONINFRINGEMENT.  See the GNU General Public License for more
- * details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this file; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- * or visit http://www.gnu.org/licenses/.
- *
- * This file may also be available under a different license from Cavium.
- * Contact Cavium Networks for more information
-**********************************************************************/
+ */
+
 #include <linux/phy.h>
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
@@ -41,101 +25,15 @@
 
 #include <asm/octeon/cvmx-gmxx-defs.h>
 
-static void cvm_oct_sgmii_poll(struct net_device *dev)
-{
-       struct octeon_ethernet *priv = netdev_priv(dev);
-       cvmx_helper_link_info_t link_info;
-
-       link_info = cvmx_helper_link_get(priv->port);
-       if (link_info.u64 == priv->link_info)
-               return;
-
-       link_info = cvmx_helper_link_autoconf(priv->port);
-       priv->link_info = link_info.u64;
-
-       /* Tell Linux */
-       if (link_info.s.link_up) {
-
-               if (!netif_carrier_ok(dev))
-                       netif_carrier_on(dev);
-               if (priv->queue != -1)
-                       printk_ratelimited
-                           ("%s: %u Mbps %s duplex, port %2d, queue %2d\n",
-                            dev->name, link_info.s.speed,
-                            (link_info.s.full_duplex) ? "Full" : "Half",
-                            priv->port, priv->queue);
-               else
-                       printk_ratelimited
-                               ("%s: %u Mbps %s duplex, port %2d, POW\n",
-                                dev->name, link_info.s.speed,
-                                (link_info.s.full_duplex) ? "Full" : "Half",
-                                priv->port);
-       } else {
-               if (netif_carrier_ok(dev))
-                       netif_carrier_off(dev);
-               printk_ratelimited("%s: Link down\n", dev->name);
-       }
-}
-
 int cvm_oct_sgmii_open(struct net_device *dev)
 {
-       union cvmx_gmxx_prtx_cfg gmx_cfg;
-       struct octeon_ethernet *priv = netdev_priv(dev);
-       int interface = INTERFACE(priv->port);
-       int index = INDEX(priv->port);
-       cvmx_helper_link_info_t link_info;
-       int rv;
-
-       rv = cvm_oct_phy_setup_device(dev);
-       if (rv)
-               return rv;
-
-       gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
-       gmx_cfg.s.en = 1;
-       cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
-
-       if (octeon_is_simulation())
-               return 0;
-
-       if (priv->phydev) {
-               int r = phy_read_status(priv->phydev);
-
-               if (r == 0 && priv->phydev->link == 0)
-                       netif_carrier_off(dev);
-               cvm_oct_adjust_link(dev);
-       } else {
-               link_info = cvmx_helper_link_get(priv->port);
-               if (!link_info.s.link_up)
-                       netif_carrier_off(dev);
-               priv->poll = cvm_oct_sgmii_poll;
-               cvm_oct_sgmii_poll(dev);
-       }
-       return 0;
-}
-
-int cvm_oct_sgmii_stop(struct net_device *dev)
-{
-       union cvmx_gmxx_prtx_cfg gmx_cfg;
-       struct octeon_ethernet *priv = netdev_priv(dev);
-       int interface = INTERFACE(priv->port);
-       int index = INDEX(priv->port);
-
-       gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
-       gmx_cfg.s.en = 0;
-       cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
-       return cvm_oct_common_stop(dev);
+       return cvm_oct_common_open(dev, cvm_oct_link_poll);
 }
 
 int cvm_oct_sgmii_init(struct net_device *dev)
 {
        cvm_oct_common_init(dev);
-       dev->netdev_ops->ndo_stop(dev);
 
        /* FIXME: Need autoneg logic */
        return 0;
 }
-
-void cvm_oct_sgmii_uninit(struct net_device *dev)
-{
-       cvm_oct_common_uninit(dev);
-}