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Revert "ehea: fix mutex and spinlock use" 

This reverts commit 2eefbd63d0.

On request by driver author and Jeff Garzik.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-09-25 13:06:59 -07:00
parent 630b25cdf4
commit ef40a68531
1 changed files with 22 additions and 4 deletions
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26
drivers/net/ehea/ehea_main.c
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@ -219,11 +219,9 @@ static void ehea_update_firmware_handles(void)
}
out_update:
mutex_lock(&ehea_fw_handles.lock);
kfree(ehea_fw_handles.arr);
ehea_fw_handles.arr = arr;
ehea_fw_handles.num_entries = i;
mutex_unlock(&ehea_fw_handles.lock);
}
static void ehea_update_bcmc_registrations(void)
@ -295,11 +293,9 @@ static void ehea_update_bcmc_registrations(void)
}
out_update:
spin_lock(&ehea_bcmc_regs.lock);
kfree(ehea_bcmc_regs.arr);
ehea_bcmc_regs.arr = arr;
ehea_bcmc_regs.num_entries = i;
spin_unlock(&ehea_bcmc_regs.lock);
}
static struct net_device_stats *ehea_get_stats(struct net_device *dev)
@ -1774,6 +1770,8 @@ static int ehea_set_mac_addr(struct net_device *dev, void *sa)
memcpy(dev->dev_addr, mac_addr->sa_data, dev->addr_len);
spin_lock(&ehea_bcmc_regs.lock);
/* Deregister old MAC in pHYP */
if (port->state == EHEA_PORT_UP) {
ret = ehea_broadcast_reg_helper(port, H_DEREG_BCMC);
@ -1794,6 +1792,7 @@ static int ehea_set_mac_addr(struct net_device *dev, void *sa)
out_upregs:
ehea_update_bcmc_registrations();
spin_unlock(&ehea_bcmc_regs.lock);
out_free:
kfree(cb0);
out:
@ -1955,6 +1954,8 @@ static void ehea_set_multicast_list(struct net_device *dev)
}
ehea_promiscuous(dev, 0);
spin_lock(&ehea_bcmc_regs.lock);
if (dev->flags & IFF_ALLMULTI) {
ehea_allmulti(dev, 1);
goto out;
@ -1984,6 +1985,7 @@ static void ehea_set_multicast_list(struct net_device *dev)
}
out:
ehea_update_bcmc_registrations();
spin_unlock(&ehea_bcmc_regs.lock);
return;
}
@ -2464,6 +2466,8 @@ static int ehea_up(struct net_device *dev)
if (port->state == EHEA_PORT_UP)
return 0;
mutex_lock(&ehea_fw_handles.lock);
ret = ehea_port_res_setup(port, port->num_def_qps,
port->num_add_tx_qps);
if (ret) {
@ -2500,6 +2504,8 @@ static int ehea_up(struct net_device *dev)
}
}
spin_lock(&ehea_bcmc_regs.lock);
ret = ehea_broadcast_reg_helper(port, H_REG_BCMC);
if (ret) {
ret = -EIO;
@ -2521,8 +2527,10 @@ out:
ehea_info("Failed starting %s. ret=%i", dev->name, ret);
ehea_update_bcmc_registrations();
spin_unlock(&ehea_bcmc_regs.lock);
ehea_update_firmware_handles();
mutex_unlock(&ehea_fw_handles.lock);
return ret;
}
@ -2572,6 +2580,9 @@ static int ehea_down(struct net_device *dev)
if (port->state == EHEA_PORT_DOWN)
return 0;
mutex_lock(&ehea_fw_handles.lock);
spin_lock(&ehea_bcmc_regs.lock);
ehea_drop_multicast_list(dev);
ehea_broadcast_reg_helper(port, H_DEREG_BCMC);
@ -2580,6 +2591,7 @@ static int ehea_down(struct net_device *dev)
port->state = EHEA_PORT_DOWN;
ehea_update_bcmc_registrations();
spin_unlock(&ehea_bcmc_regs.lock);
ret = ehea_clean_all_portres(port);
if (ret)
@ -2587,6 +2599,7 @@ static int ehea_down(struct net_device *dev)
dev->name, ret);
ehea_update_firmware_handles();
mutex_unlock(&ehea_fw_handles.lock);
return ret;
}
@ -3365,6 +3378,7 @@ static int __devinit ehea_probe_adapter(struct of_device *dev,
ehea_error("Invalid ibmebus device probed");
return -EINVAL;
}
mutex_lock(&ehea_fw_handles.lock);
adapter = kzalloc(sizeof(*adapter), GFP_KERNEL);
if (!adapter) {
@ -3448,6 +3462,7 @@ out_free_ad:
out:
ehea_update_firmware_handles();
mutex_unlock(&ehea_fw_handles.lock);
return ret;
}
@ -3466,6 +3481,8 @@ static int __devexit ehea_remove(struct of_device *dev)
flush_scheduled_work();
mutex_lock(&ehea_fw_handles.lock);
ibmebus_free_irq(adapter->neq->attr.ist1, adapter);
tasklet_kill(&adapter->neq_tasklet);
@ -3475,6 +3492,7 @@ static int __devexit ehea_remove(struct of_device *dev)
kfree(adapter);
ehea_update_firmware_handles();
mutex_unlock(&ehea_fw_handles.lock);
return 0;
}