diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 2a42132b9799a0b372ba977cc54e88cf6b7a457d..1047609ef51bbe1af9d0c5eafca51ba446f8a4da 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -551,6 +551,9 @@ struct netxen_hardware_context {
u32 ocm_win;
u32 crb_win;
+ rwlock_t crb_lock;
+ spinlock_t mem_lock;
+
u8 cut_through;
u8 revision_id;
u8 pci_func;
@@ -1115,8 +1118,6 @@ struct netxen_adapter {
struct pci_dev *pdev;
struct list_head mac_list;
- rwlock_t adapter_lock;
-
spinlock_t tx_clean_lock;
u16 num_txd;
diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c
index 714f38791a9adf28e3bbba0d968ae11ec90aa9a9..a3b18e0c9670ab45c186ac5b1d36f6c9adbd4763 100644
--- a/drivers/net/netxen/netxen_nic_ethtool.c
+++ b/drivers/net/netxen/netxen_nic_ethtool.c
@@ -85,11 +85,9 @@ netxen_nic_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
strncpy(drvinfo->driver, netxen_nic_driver_name, 32);
strncpy(drvinfo->version, NETXEN_NIC_LINUX_VERSIONID, 32);
- read_lock(&adapter->adapter_lock);
fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
- read_unlock(&adapter->adapter_lock);
sprintf(drvinfo->fw_version, "%d.%d.%d", fw_major, fw_minor, fw_build);
strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index 37f47660dcdd2934b7256617efc1acd86f7e25a1..d067bee87cd513e77f9c807739c2dd13de3f1370 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -41,6 +41,11 @@
#define CRB_HI(off) ((crb_hub_agt[CRB_BLK(off)] << 20) | ((off) & 0xf0000))
#define CRB_INDIRECT_2M (0x1e0000UL)
+static void netxen_nic_io_write_128M(struct netxen_adapter *adapter,
+ void __iomem *addr, u32 data);
+static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter,
+ void __iomem *addr);
+
#ifndef readq
static inline u64 readq(void __iomem *addr)
{
@@ -1164,17 +1169,15 @@ netxen_nic_hw_write_wx_128M(struct netxen_adapter *adapter, ulong off, u32 data)
BUG_ON(!addr);
if (ADDR_IN_WINDOW1(off)) { /* Window 1 */
- read_lock(&adapter->adapter_lock);
- writel(data, addr);
- read_unlock(&adapter->adapter_lock);
+ netxen_nic_io_write_128M(adapter, addr, data);
} else { /* Window 0 */
- write_lock_irqsave(&adapter->adapter_lock, flags);
+ write_lock_irqsave(&adapter->ahw.crb_lock, flags);
addr = pci_base_offset(adapter, off);
netxen_nic_pci_set_crbwindow_128M(adapter, 0);
writel(data, addr);
netxen_nic_pci_set_crbwindow_128M(adapter,
NETXEN_WINDOW_ONE);
- write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
}
return 0;
@@ -1195,16 +1198,14 @@ netxen_nic_hw_read_wx_128M(struct netxen_adapter *adapter, ulong off)
BUG_ON(!addr);
if (ADDR_IN_WINDOW1(off)) { /* Window 1 */
- read_lock(&adapter->adapter_lock);
- data = readl(addr);
- read_unlock(&adapter->adapter_lock);
+ data = netxen_nic_io_read_128M(adapter, addr);
} else { /* Window 0 */
- write_lock_irqsave(&adapter->adapter_lock, flags);
+ write_lock_irqsave(&adapter->ahw.crb_lock, flags);
netxen_nic_pci_set_crbwindow_128M(adapter, 0);
data = readl(addr);
netxen_nic_pci_set_crbwindow_128M(adapter,
NETXEN_WINDOW_ONE);
- write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
}
return data;
@@ -1226,12 +1227,12 @@ netxen_nic_hw_write_wx_2M(struct netxen_adapter *adapter, ulong off, u32 data)
}
if (rv == 1) {
- write_lock_irqsave(&adapter->adapter_lock, flags);
+ write_lock_irqsave(&adapter->ahw.crb_lock, flags);
crb_win_lock(adapter);
netxen_nic_pci_set_crbwindow_2M(adapter, &off);
writel(data, (void __iomem *)off);
crb_win_unlock(adapter);
- write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
} else
writel(data, (void __iomem *)off);
@@ -1256,12 +1257,12 @@ netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off)
}
if (rv == 1) {
- write_lock_irqsave(&adapter->adapter_lock, flags);
+ write_lock_irqsave(&adapter->ahw.crb_lock, flags);
crb_win_lock(adapter);
netxen_nic_pci_set_crbwindow_2M(adapter, &off);
data = readl((void __iomem *)off);
crb_win_unlock(adapter);
- write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ write_unlock_irqrestore(&adapter->ahw.crb_lock, flags);
} else
data = readl((void __iomem *)off);
@@ -1272,9 +1273,9 @@ netxen_nic_hw_read_wx_2M(struct netxen_adapter *adapter, ulong off)
static void netxen_nic_io_write_128M(struct netxen_adapter *adapter,
void __iomem *addr, u32 data)
{
- read_lock(&adapter->adapter_lock);
+ read_lock(&adapter->ahw.crb_lock);
writel(data, addr);
- read_unlock(&adapter->adapter_lock);
+ read_unlock(&adapter->ahw.crb_lock);
}
static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter,
@@ -1282,9 +1283,9 @@ static u32 netxen_nic_io_read_128M(struct netxen_adapter *adapter,
{
u32 val;
- read_lock(&adapter->adapter_lock);
+ read_lock(&adapter->ahw.crb_lock);
val = readl(addr);
- read_unlock(&adapter->adapter_lock);
+ read_unlock(&adapter->ahw.crb_lock);
return val;
}
@@ -1366,11 +1367,10 @@ netxen_nic_pci_mem_access_direct(struct netxen_adapter *adapter, u64 off,
{
void __iomem *addr, *mem_ptr = NULL;
resource_size_t mem_base;
- unsigned long flags;
int ret = -EIO;
u32 start;
- write_lock_irqsave(&adapter->adapter_lock, flags);
+ spin_lock(&adapter->ahw.mem_lock);
ret = adapter->pci_set_window(adapter, off, &start);
if (ret != 0)
@@ -1397,7 +1397,8 @@ noremap:
writeq(*data, addr);
unlock:
- write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ spin_unlock(&adapter->ahw.mem_lock);
+
if (mem_ptr)
iounmap(mem_ptr);
return ret;
@@ -1409,7 +1410,6 @@ static int
netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
u64 off, u64 data)
{
- unsigned long flags;
int j, ret;
u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo;
void __iomem *mem_crb;
@@ -1453,7 +1453,7 @@ netxen_nic_pci_mem_write_128M(struct netxen_adapter *adapter,
return -EIO;
correct:
- write_lock_irqsave(&adapter->adapter_lock, flags);
+ spin_lock(&adapter->ahw.mem_lock);
netxen_nic_pci_set_crbwindow_128M(adapter, 0);
writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO));
@@ -1479,7 +1479,7 @@ correct:
ret = 0;
netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE);
- write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ spin_unlock(&adapter->ahw.mem_lock);
return ret;
}
@@ -1487,7 +1487,6 @@ static int
netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
u64 off, u64 *data)
{
- unsigned long flags;
int j, ret;
u32 temp, off_lo, off_hi, addr_hi, data_hi, data_lo;
u64 val;
@@ -1532,7 +1531,7 @@ netxen_nic_pci_mem_read_128M(struct netxen_adapter *adapter,
return -EIO;
correct:
- write_lock_irqsave(&adapter->adapter_lock, flags);
+ spin_lock(&adapter->ahw.mem_lock);
netxen_nic_pci_set_crbwindow_128M(adapter, 0);
writel(off_lo, (mem_crb + MIU_TEST_AGT_ADDR_LO));
@@ -1561,7 +1560,7 @@ correct:
}
netxen_nic_pci_set_crbwindow_128M(adapter, NETXEN_WINDOW_ONE);
- write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ spin_unlock(&adapter->ahw.mem_lock);
return ret;
}
@@ -1570,7 +1569,6 @@ static int
netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
u64 off, u64 data)
{
- unsigned long flags;
int j, ret;
u32 temp, off8;
void __iomem *mem_crb;
@@ -1601,7 +1599,7 @@ netxen_nic_pci_mem_write_2M(struct netxen_adapter *adapter,
correct:
off8 = off & MIU_TEST_AGT_ADDR_MASK;
- write_lock_irqsave(&adapter->adapter_lock, flags);
+ spin_lock(&adapter->ahw.mem_lock);
writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
@@ -1625,7 +1623,7 @@ correct:
} else
ret = 0;
- write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ spin_unlock(&adapter->ahw.mem_lock);
return ret;
}
@@ -1634,7 +1632,6 @@ static int
netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
u64 off, u64 *data)
{
- unsigned long flags;
int j, ret;
u32 temp, off8;
u64 val;
@@ -1668,7 +1665,7 @@ netxen_nic_pci_mem_read_2M(struct netxen_adapter *adapter,
correct:
off8 = off & MIU_TEST_AGT_ADDR_MASK;
- write_lock_irqsave(&adapter->adapter_lock, flags);
+ spin_lock(&adapter->ahw.mem_lock);
writel(off8, (mem_crb + MIU_TEST_AGT_ADDR_LO));
writel(0, (mem_crb + MIU_TEST_AGT_ADDR_HI));
@@ -1694,7 +1691,7 @@ correct:
ret = 0;
}
- write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ spin_unlock(&adapter->ahw.mem_lock);
return ret;
}
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 424b456c5c82ba9a5c16b890388fd27f47436eb1..83387c791d5f7fd08d6ef25b9e3b99df6d2b723a 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -1513,10 +1513,8 @@ netxen_post_rx_buffers(struct netxen_adapter *adapter, u32 ringid,
(rds_ring->num_desc - 1)));
netxen_set_msg_ctxid(msg, adapter->portnum);
netxen_set_msg_opcode(msg, NETXEN_RCV_PRODUCER(ringid));
- read_lock(&adapter->adapter_lock);
- writel(msg, DB_NORMALIZE(adapter,
- NETXEN_RCV_PRODUCER_OFFSET));
- read_unlock(&adapter->adapter_lock);
+ NXWRIO(adapter, DB_NORMALIZE(adapter,
+ NETXEN_RCV_PRODUCER_OFFSET), msg);
}
}
}
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 6695e547302724ea245bee885421fa4a539cf85b..38529ee55be9946f5bd0c13b6f8d24a2ecbbf305 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -1240,7 +1240,9 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
revision_id = pdev->revision;
adapter->ahw.revision_id = revision_id;
- rwlock_init(&adapter->adapter_lock);
+ rwlock_init(&adapter->ahw.crb_lock);
+ spin_lock_init(&adapter->ahw.mem_lock);
+
spin_lock_init(&adapter->tx_clean_lock);
INIT_LIST_HEAD(&adapter->mac_list);