**********************************************************************/
#include <linux/kernel.h>
#include <linux/netdevice.h>
-#include <linux/mii.h>
+#include <linux/phy.h>
#include <net/dst.h>
#include <asm/octeon/octeon.h>
static void cvm_oct_rgmii_poll(struct net_device *dev)
{
struct octeon_ethernet *priv = netdev_priv(dev);
- unsigned long flags;
+ unsigned long flags = 0;
cvmx_helper_link_info_t link_info;
+ int use_global_register_lock = (priv->phydev == NULL);
- /*
- * Take the global register lock since we are going to touch
- * registers that affect more than one port.
- */
- spin_lock_irqsave(&global_register_lock, flags);
+ BUG_ON(in_interrupt());
+ if (use_global_register_lock) {
+ /*
+ * Take the global register lock since we are going to
+ * touch registers that affect more than one port.
+ */
+ spin_lock_irqsave(&global_register_lock, flags);
+ } else {
+ mutex_lock(&priv->phydev->bus->mdio_lock);
+ }
link_info = cvmx_helper_link_get(priv->port);
if (link_info.u64 == priv->link_info) {
dev->name);
}
}
- spin_unlock_irqrestore(&global_register_lock, flags);
+
+ if (use_global_register_lock)
+ spin_unlock_irqrestore(&global_register_lock, flags);
+ else
+ mutex_unlock(&priv->phydev->bus->mdio_lock);
return;
}
link_info = cvmx_helper_link_autoconf(priv->port);
priv->link_info = link_info.u64;
}
- spin_unlock_irqrestore(&global_register_lock, flags);
+
+ if (use_global_register_lock)
+ spin_unlock_irqrestore(&global_register_lock, flags);
+ else {
+ mutex_unlock(&priv->phydev->bus->mdio_lock);
+ }
if (priv->phydev == NULL) {
/* Tell core. */
struct net_device *dev =
cvm_oct_device[cvmx_helper_get_ipd_port
(interface, index)];
- if (dev)
- cvm_oct_rgmii_poll(dev);
+ struct octeon_ethernet *priv = netdev_priv(dev);
+
+ if (dev && !atomic_read(&cvm_oct_poll_queue_stopping))
+ queue_work(cvm_oct_poll_queue, &priv->port_work);
+
gmx_rx_int_reg.u64 = 0;
gmx_rx_int_reg.s.phy_dupx = 1;
gmx_rx_int_reg.s.phy_link = 1;
struct net_device *dev =
cvm_oct_device[cvmx_helper_get_ipd_port
(interface, index)];
- if (dev)
- cvm_oct_rgmii_poll(dev);
+ struct octeon_ethernet *priv = netdev_priv(dev);
+
+ if (dev && !atomic_read(&cvm_oct_poll_queue_stopping))
+ queue_work(cvm_oct_poll_queue, &priv->port_work);
+
gmx_rx_int_reg.u64 = 0;
gmx_rx_int_reg.s.phy_dupx = 1;
gmx_rx_int_reg.s.phy_link = 1;
return 0;
}
+static void cvm_oct_rgmii_immediate_poll(struct work_struct *work)
+{
+ struct octeon_ethernet *priv = container_of(work, struct octeon_ethernet, port_work);
+ cvm_oct_rgmii_poll(cvm_oct_device[priv->port]);
+}
+
int cvm_oct_rgmii_init(struct net_device *dev)
{
struct octeon_ethernet *priv = netdev_priv(dev);
cvm_oct_common_init(dev);
dev->netdev_ops->ndo_stop(dev);
-
+ INIT_WORK(&priv->port_work, cvm_oct_rgmii_immediate_poll);
/*
* Due to GMX errata in CN3XXX series chips, it is necessary
* to take the link down immediately when the PHY changes
number_rgmii_ports--;
if (number_rgmii_ports == 0)
free_irq(OCTEON_IRQ_RML, &number_rgmii_ports);
+ cancel_work_sync(&priv->port_work);
}