Commit 9f71a568 authored by Daniel Walker's avatar Daniel Walker Committed by Jeff Garzik
Browse files

netdev: ehea: ehea_fw_handles semaphore to mutex



Converted the ehea_fw_handles.lock to a mutex.
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 06f89edf
......@@ -421,7 +421,7 @@ struct ehea_fw_handle_entry {
struct ehea_fw_handle_array {
struct ehea_fw_handle_entry *arr;
int num_entries;
struct semaphore lock;
struct mutex lock;
};
struct ehea_bcmc_reg_entry {
......
......@@ -2453,7 +2453,7 @@ static int ehea_up(struct net_device *dev)
if (port->state == EHEA_PORT_UP)
return 0;
down(&ehea_fw_handles.lock);
mutex_lock(&ehea_fw_handles.lock);
ret = ehea_port_res_setup(port, port->num_def_qps,
port->num_add_tx_qps);
......@@ -2517,7 +2517,7 @@ out:
up(&ehea_bcmc_regs.lock);
ehea_update_firmware_handles();
up(&ehea_fw_handles.lock);
mutex_unlock(&ehea_fw_handles.lock);
return ret;
}
......@@ -2573,7 +2573,7 @@ static int ehea_down(struct net_device *dev)
ehea_free_interrupts(dev);
down(&ehea_fw_handles.lock);
mutex_lock(&ehea_fw_handles.lock);
port->state = EHEA_PORT_DOWN;
......@@ -2586,7 +2586,7 @@ static int ehea_down(struct net_device *dev)
dev->name, ret);
ehea_update_firmware_handles();
up(&ehea_fw_handles.lock);
mutex_unlock(&ehea_fw_handles.lock);
return ret;
}
......@@ -3343,7 +3343,7 @@ static int __devinit ehea_probe_adapter(struct of_device *dev,
ehea_error("Invalid ibmebus device probed");
return -EINVAL;
}
down(&ehea_fw_handles.lock);
mutex_lock(&ehea_fw_handles.lock);
adapter = kzalloc(sizeof(*adapter), GFP_KERNEL);
if (!adapter) {
......@@ -3427,7 +3427,7 @@ out_free_ad:
out:
ehea_update_firmware_handles();
up(&ehea_fw_handles.lock);
mutex_unlock(&ehea_fw_handles.lock);
return ret;
}
......@@ -3446,7 +3446,7 @@ static int __devexit ehea_remove(struct of_device *dev)
flush_scheduled_work();
down(&ehea_fw_handles.lock);
mutex_lock(&ehea_fw_handles.lock);
ibmebus_free_irq(adapter->neq->attr.ist1, adapter);
tasklet_kill(&adapter->neq_tasklet);
......@@ -3457,7 +3457,7 @@ static int __devexit ehea_remove(struct of_device *dev)
kfree(adapter);
ehea_update_firmware_handles();
up(&ehea_fw_handles.lock);
mutex_unlock(&ehea_fw_handles.lock);
return 0;
}
......@@ -3544,7 +3544,7 @@ int __init ehea_module_init(void)
memset(&ehea_fw_handles, 0, sizeof(ehea_fw_handles));
memset(&ehea_bcmc_regs, 0, sizeof(ehea_bcmc_regs));
sema_init(&ehea_fw_handles.lock, 1);
mutex_init(&ehea_fw_handles.lock);
sema_init(&ehea_bcmc_regs.lock, 1);
ret = check_module_parm();
......
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