diff options
author | Daniel Walker <dwalker@mvista.com> | 2008-03-28 14:41:28 -0700 |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2008-03-28 22:14:43 -0400 |
commit | a5af6ad3a0d4f5c6d0a3535d46fc1b26eeff0816 (patch) | |
tree | f0061a0f91d202dac06225b724d5d4820f67e75d | |
parent | da59cde4825bd42f305efb8e6335f1b58ab8d88c (diff) | |
download | linux-a5af6ad3a0d4f5c6d0a3535d46fc1b26eeff0816.tar.gz linux-a5af6ad3a0d4f5c6d0a3535d46fc1b26eeff0816.tar.bz2 linux-a5af6ad3a0d4f5c6d0a3535d46fc1b26eeff0816.zip |
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: Daniel 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: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
-rw-r--r-- | drivers/net/ehea/ehea.h | 2 | ||||
-rw-r--r-- | drivers/net/ehea/ehea_main.c | 44 |
2 files changed, 24 insertions, 22 deletions
diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h index b5c8eb96bd26..26acd05c80b5 100644 --- a/drivers/net/ehea/ehea.h +++ b/drivers/net/ehea/ehea.h @@ -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 */ diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index 73dd6f9dfbbe..0c1c360a85ca 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -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; |