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path: root/drivers/net/netxen/netxen_nic_init.c
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Diffstat (limited to 'drivers/net/netxen/netxen_nic_init.c')
-rw-r--r--drivers/net/netxen/netxen_nic_init.c52
1 files changed, 8 insertions, 44 deletions
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index f5807dae09e..313cd261b2b 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -369,37 +369,7 @@ static u32 netxen_decode_crb_addr(u32 addr)
return (pci_base + offset);
}
-static long rom_max_timeout = 100;
-static long rom_lock_timeout = 10000;
-
-static int rom_lock(struct netxen_adapter *adapter)
-{
- int iter;
- u32 done = 0;
- int timeout = 0;
-
- while (!done) {
- /* acquire semaphore2 from PCI HW block */
- done = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM2_LOCK));
- if (done == 1)
- break;
- if (timeout >= rom_lock_timeout)
- return -EIO;
-
- timeout++;
- /*
- * Yield CPU
- */
- if (!in_atomic())
- schedule();
- else {
- for (iter = 0; iter < 20; iter++)
- cpu_relax(); /*This a nop instr on i386 */
- }
- }
- NXWR32(adapter, NETXEN_ROM_LOCK_ID, ROM_LOCK_DRIVER);
- return 0;
-}
+#define NETXEN_MAX_ROM_WAIT_USEC 100
static int netxen_wait_rom_done(struct netxen_adapter *adapter)
{
@@ -411,22 +381,16 @@ static int netxen_wait_rom_done(struct netxen_adapter *adapter)
while (done == 0) {
done = NXRD32(adapter, NETXEN_ROMUSB_GLB_STATUS);
done &= 2;
- timeout++;
- if (timeout >= rom_max_timeout) {
- printk("Timeout reached waiting for rom done");
+ if (++timeout >= NETXEN_MAX_ROM_WAIT_USEC) {
+ dev_err(&adapter->pdev->dev,
+ "Timeout reached waiting for rom done");
return -EIO;
}
+ udelay(1);
}
return 0;
}
-static void netxen_rom_unlock(struct netxen_adapter *adapter)
-{
- /* release semaphore2 */
- NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM2_UNLOCK));
-
-}
-
static int do_rom_fast_read(struct netxen_adapter *adapter,
int addr, int *valp)
{
@@ -471,7 +435,7 @@ netxen_rom_fast_read_words(struct netxen_adapter *adapter, int addr,
{
int ret;
- ret = rom_lock(adapter);
+ ret = netxen_rom_lock(adapter);
if (ret < 0)
return ret;
@@ -485,7 +449,7 @@ int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, int *valp)
{
int ret;
- if (rom_lock(adapter) != 0)
+ if (netxen_rom_lock(adapter) != 0)
return -EIO;
ret = do_rom_fast_read(adapter, addr, valp);
@@ -506,7 +470,7 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose)
u32 off;
/* resetall */
- rom_lock(adapter);
+ netxen_rom_lock(adapter);
NXWR32(adapter, NETXEN_ROMUSB_GLB_SW_RESET, 0xffffffff);
netxen_rom_unlock(adapter);