forcedeth boot delay fix

Fix a long boot delay in the forcedeth driver.  During initialization, the
timeout for the handshake between mgmt unit and driver can be very long.
The patch reduces the timeout by eliminating a extra loop around the
timeout logic.

Addresses http://bugzilla.kernel.org/show_bug.cgi?id=9308

Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Cc: Alex Howells <astinus@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 9 insertions, 13 deletions

diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index f9ba0ac92af0..a96583cceb5e 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -5286,19 +5286,15 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
                 if (readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_SYNC_PHY_INIT) {
                         np->mac_in_use = readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_MGMT_ST;
                         dprintk(KERN_INFO "%s: mgmt unit is running. mac in use %x.\n", pci_name(pci_dev), np->mac_in_use);
-                        for (i = 0; i < 5000; i++) {
-                                msleep(1);
-                                if (nv_mgmt_acquire_sema(dev)) {
-                                        /* management unit setup the phy already? */
-                                        if ((readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_SYNC_MASK) ==
-                                            NVREG_XMITCTL_SYNC_PHY_INIT) {
-                                                /* phy is inited by mgmt unit */
-                                                phyinitialized = 1;
-                                                dprintk(KERN_INFO "%s: Phy already initialized by mgmt unit.\n", pci_name(pci_dev));
-                                        } else {
-                                                /* we need to init the phy */
-                                        }
-                                        break;
+                        if (nv_mgmt_acquire_sema(dev)) {
+                                /* management unit setup the phy already? */
+                                if ((readl(base + NvRegTransmitterControl) & NVREG_XMITCTL_SYNC_MASK) ==
+                                    NVREG_XMITCTL_SYNC_PHY_INIT) {
+                                        /* phy is inited by mgmt unit */
+                                        phyinitialized = 1;
+                                        dprintk(KERN_INFO "%s: Phy already initialized by mgmt unit.\n", pci_name(pci_dev));
+                                } else {
+                                        /* we need to init the phy */
                                 }
                         }
                 }