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authorAyaz Abdulla <aabdulla@nvidia.com>2007-11-21 15:02:58 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2007-12-14 09:50:54 -0800
commit8d88a7d70fee421a290730ebd58a15230d609617 (patch)
tree8f4a8d5348a736200365ac75ab800fbf5d9d07b9
parent2cf220bb5b30a922aebdd5841a7975e02a70ce59 (diff)
forcedeth boot delay fix
patch 9e555930bd873d238f5f7b9d76d3bf31e6e3ce93 in mainline. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/net/forcedeth.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index af419851817d..fcbe50854929 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -5280,19 +5280,15 @@ 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 */
}
}
}