Commit a5af6ad3 authored by Daniel Walker's avatar Daniel Walker Committed by Jeff Garzik
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netdev: ehea: port_lock semaphore to mutex



Convert the port_lock to a mutex.  There is also some additional cleanup.  The
line length inside the ehea_rereg_mrs was getting long so I made some
adjustments to shorten them.

[akpm@linux-foundation.org: dec99ification]
Signed-off-by: default avatarDaniel Walker <dwalker@mvista.com>
Cc: Christoph Raisch <raisch@de.ibm.com>
Cc: Jan-Bernd Themann <themann@de.ibm.com>
Cc: Thomas Klein <tklein@de.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent da59cde4
......@@ -452,7 +452,7 @@ struct ehea_port {
struct vlan_group *vgrp;
struct ehea_eq *qp_eq;
struct work_struct reset_task;
struct semaphore port_lock;
struct mutex port_lock;
char int_aff_name[EHEA_IRQ_NAME_SIZE];
int allmulti; /* Indicates IFF_ALLMULTI state */
int promisc; /* Indicates IFF_PROMISC state */
......
......@@ -2543,7 +2543,7 @@ static int ehea_open(struct net_device *dev)
int ret;
struct ehea_port *port = netdev_priv(dev);
down(&port->port_lock);
mutex_lock(&port->port_lock);
if (netif_msg_ifup(port))
ehea_info("enabling port %s", dev->name);
......@@ -2554,7 +2554,7 @@ static int ehea_open(struct net_device *dev)
netif_start_queue(dev);
}
up(&port->port_lock);
mutex_unlock(&port->port_lock);
return ret;
}
......@@ -2600,11 +2600,11 @@ static int ehea_stop(struct net_device *dev)
ehea_info("disabling port %s", dev->name);
flush_scheduled_work();
down(&port->port_lock);
mutex_lock(&port->port_lock);
netif_stop_queue(dev);
port_napi_disable(port);
ret = ehea_down(dev);
up(&port->port_lock);
mutex_unlock(&port->port_lock);
return ret;
}
......@@ -2802,7 +2802,7 @@ static void ehea_reset_port(struct work_struct *work)
struct net_device *dev = port->netdev;
port->resets++;
down(&port->port_lock);
mutex_lock(&port->port_lock);
netif_stop_queue(dev);
port_napi_disable(port);
......@@ -2822,7 +2822,7 @@ static void ehea_reset_port(struct work_struct *work)
netif_wake_queue(dev);
out:
up(&port->port_lock);
mutex_unlock(&port->port_lock);
return;
}
......@@ -2839,21 +2839,23 @@ static void ehea_rereg_mrs(struct work_struct *work)
/* Shutdown all ports */
for (i = 0; i < EHEA_MAX_PORTS; i++) {
struct ehea_port *port = adapter->port[i];
struct net_device *dev;
if (port) {
struct net_device *dev = port->netdev;
if (!port)
continue;
if (dev->flags & IFF_UP) {
down(&port->port_lock);
netif_stop_queue(dev);
ret = ehea_stop_qps(dev);
if (ret) {
up(&port->port_lock);
goto out;
}
port_napi_disable(port);
up(&port->port_lock);
dev = port->netdev;
if (dev->flags & IFF_UP) {
mutex_lock(&port->port_lock);
netif_stop_queue(dev);
ret = ehea_stop_qps(dev);
if (ret) {
mutex_unlock(&port->port_lock);
goto out;
}
port_napi_disable(port);
mutex_unlock(&port->port_lock);
}
}
......@@ -2893,12 +2895,12 @@ static void ehea_rereg_mrs(struct work_struct *work)
struct net_device *dev = port->netdev;
if (dev->flags & IFF_UP) {
down(&port->port_lock);
mutex_lock(&port->port_lock);
port_napi_enable(port);
ret = ehea_restart_qps(dev);
if (!ret)
netif_wake_queue(dev);
up(&port->port_lock);
mutex_unlock(&port->port_lock);
}
}
}
......@@ -3064,7 +3066,7 @@ struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter,
port = netdev_priv(dev);
sema_init(&port->port_lock, 1);
mutex_init(&port->port_lock);
port->state = EHEA_PORT_DOWN;
port->sig_comp_iv = sq_entries / 10;
......
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