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qlge: Fix lock/mutex warnings. 

Get rid of spinlock and private mutex usage for exclusive access to the
HW semaphore register.  rtnl_lock already creates exclusive access to
this register in all driver API.
Add rtnl to firmware worker threads that also use the HW semaphore register.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ron Mercer 2009-10-05 11:46:49 +00:00 committed by David S. Miller
parent 5ee22a5aa9
commit 86aaf9ad82
4 changed files with 9 additions and 17 deletions
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2
drivers/net/qlge/qlge.h
View File

@ -9,6 +9,7 @@
#include <linux/pci.h>
#include <linux/netdevice.h>
#include <linux/rtnetlink.h>
/*
* General definitions...
@ -1477,7 +1478,6 @@ struct ql_adapter {
u32 mailbox_in;
u32 mailbox_out;
struct mbox_params idc_mbc;
struct mutex mpi_mutex;
int tx_ring_size;
int rx_ring_size;

2
drivers/net/qlge/qlge_ethtool.c
View File

@ -45,7 +45,6 @@ static int ql_update_ring_coalescing(struct ql_adapter *qdev)
if (!netif_running(qdev->ndev))
return status;
spin_lock(&qdev->hw_lock);
/* Skip the default queue, and update the outbound handler
* queues if they changed.
*/
@ -92,7 +91,6 @@ static int ql_update_ring_coalescing(struct ql_adapter *qdev)
}
}
exit:
spin_unlock(&qdev->hw_lock);
return status;
}

10
drivers/net/qlge/qlge_main.c
View File

@ -34,7 +34,6 @@
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/skbuff.h>
#include <linux/rtnetlink.h>
#include <linux/if_vlan.h>
#include <linux/delay.h>
#include <linux/mm.h>
@ -1926,12 +1925,10 @@ static void ql_vlan_rx_add_vid(struct net_device *ndev, u16 vid)
status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK);
if (status)
return;
spin_lock(&qdev->hw_lock);
if (ql_set_mac_addr_reg
(qdev, (u8 *) &enable_bit, MAC_ADDR_TYPE_VLAN, vid)) {
QPRINTK(qdev, IFUP, ERR, "Failed to init vlan address.\n");
}
spin_unlock(&qdev->hw_lock);
ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK);
}
@ -1945,12 +1942,10 @@ static void ql_vlan_rx_kill_vid(struct net_device *ndev, u16 vid)
if (status)
return;
spin_lock(&qdev->hw_lock);
if (ql_set_mac_addr_reg
(qdev, (u8 *) &enable_bit, MAC_ADDR_TYPE_VLAN, vid)) {
QPRINTK(qdev, IFUP, ERR, "Failed to clear vlan address.\n");
}
spin_unlock(&qdev->hw_lock);
ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK);
}
@ -3587,7 +3582,6 @@ static void qlge_set_multicast_list(struct net_device *ndev)
status = ql_sem_spinlock(qdev, SEM_RT_IDX_MASK);
if (status)
return;
spin_lock(&qdev->hw_lock);
/*
* Set or clear promiscuous mode if a
* transition is taking place.
@ -3664,7 +3658,6 @@ static void qlge_set_multicast_list(struct net_device *ndev)
}
}
exit:
spin_unlock(&qdev->hw_lock);
ql_sem_unlock(qdev, SEM_RT_IDX_MASK);
}
@ -3684,10 +3677,8 @@ static int qlge_set_mac_address(struct net_device *ndev, void *p)
status = ql_sem_spinlock(qdev, SEM_MAC_ADDR_MASK);
if (status)
return status;
spin_lock(&qdev->hw_lock);
status = ql_set_mac_addr_reg(qdev, (u8 *) ndev->dev_addr,
MAC_ADDR_TYPE_CAM_MAC, qdev->func * MAX_CQ);
spin_unlock(&qdev->hw_lock);
if (status)
QPRINTK(qdev, HW, ERR, "Failed to load MAC address.\n");
ql_sem_unlock(qdev, SEM_MAC_ADDR_MASK);
@ -3930,7 +3921,6 @@ static int __devinit ql_init_device(struct pci_dev *pdev,
INIT_DELAYED_WORK(&qdev->mpi_work, ql_mpi_work);
INIT_DELAYED_WORK(&qdev->mpi_port_cfg_work, ql_mpi_port_cfg_work);
INIT_DELAYED_WORK(&qdev->mpi_idc_work, ql_mpi_idc_work);
mutex_init(&qdev->mpi_mutex);
init_completion(&qdev->ide_completion);
if (!cards_found) {

12
drivers/net/qlge/qlge_mpi.c
View File

@ -472,7 +472,6 @@ static int ql_mailbox_command(struct ql_adapter *qdev, struct mbox_params *mbcp)
{
int status, count;
mutex_lock(&qdev->mpi_mutex);
/* Begin polled mode for MPI */
ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16));
@ -541,7 +540,6 @@ static int ql_mailbox_command(struct ql_adapter *qdev, struct mbox_params *mbcp)
status = -EIO;
}
end:
mutex_unlock(&qdev->mpi_mutex);
/* End polled mode for MPI */
ql_write32(qdev, INTR_MASK, (INTR_MASK_PI << 16) | INTR_MASK_PI);
return status;
@ -776,7 +774,9 @@ static int ql_idc_wait(struct ql_adapter *qdev)
static int ql_set_port_cfg(struct ql_adapter *qdev)
{
int status;
rtnl_lock();
status = ql_mb_set_port_cfg(qdev);
rtnl_unlock();
if (status)
return status;
status = ql_idc_wait(qdev);
@ -797,7 +797,9 @@ void ql_mpi_port_cfg_work(struct work_struct *work)
container_of(work, struct ql_adapter, mpi_port_cfg_work.work);
int status;
rtnl_lock();
status = ql_mb_get_port_cfg(qdev);
rtnl_unlock();
if (status) {
QPRINTK(qdev, DRV, ERR,
"Bug: Failed to get port config data.\n");
@ -855,7 +857,9 @@ void ql_mpi_idc_work(struct work_struct *work)
* needs to be set.
* */
set_bit(QL_CAM_RT_SET, &qdev->flags);
rtnl_lock();
status = ql_mb_idc_ack(qdev);
rtnl_unlock();
if (status) {
QPRINTK(qdev, DRV, ERR,
"Bug: No pending IDC!\n");
@ -871,7 +875,7 @@ void ql_mpi_work(struct work_struct *work)
struct mbox_params *mbcp = &mbc;
int err = 0;
mutex_lock(&qdev->mpi_mutex);
rtnl_lock();
while (ql_read32(qdev, STS) & STS_PI) {
memset(mbcp, 0, sizeof(struct mbox_params));
@ -884,7 +888,7 @@ void ql_mpi_work(struct work_struct *work)
break;
}
mutex_unlock(&qdev->mpi_mutex);
rtnl_unlock();
ql_enable_completion_interrupt(qdev, 0);
}