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PCI hotplug: pciehp: poll data link layer link active

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This patch adds polling mechanism for Data Link Layer Link Active bit
after turning power on, instead of waiting for 1000 msec. This reduces
reduce the unnecessary long wait.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Kenji Kaneshige
2008-10-22 14:31:44 +09:00
committed by Jesse Barnes
parent b84346ef74
commit f18e9625e0
3 changed files with 55 additions and 4 deletions
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3
drivers/pci/hotplug/pciehp_ctrl.c
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@@ -226,9 +226,6 @@ static int board_added(struct slot *p_slot)
if (PWR_LED(ctrl))
p_slot->hpc_ops->green_led_blink(p_slot);
/* Wait for ~1 second */
msleep(1000);
/* Check link training status */
retval = p_slot->hpc_ops->check_lnk_status(ctrl);
if (retval) {