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-rw-r--r--drivers/pci/pci.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index d6ff1a98bd8d..11e4b495cfac 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -4586,14 +4586,17 @@ static int pci_pm_reset(struct pci_dev *dev, int probe)
return pci_dev_wait(dev, "PM D3hot->D0", PCIE_RESET_READY_POLL_MS);
}
+
/**
- * pcie_wait_for_link - Wait until link is active or inactive
+ * pcie_wait_for_link_delay - Wait until link is active or inactive
* @pdev: Bridge device
* @active: waiting for active or inactive?
+ * @delay: Delay to wait after link has become active (in ms)
*
* Use this to wait till link becomes active or inactive.
*/
-bool pcie_wait_for_link(struct pci_dev *pdev, bool active)
+static bool pcie_wait_for_link_delay(struct pci_dev *pdev, bool active,
+ int delay)
{
int timeout = 1000;
bool ret;
@@ -4630,13 +4633,25 @@ bool pcie_wait_for_link(struct pci_dev *pdev, bool active)
timeout -= 10;
}
if (active && ret)
- msleep(100);
+ msleep(delay);
else if (ret != active)
pci_info(pdev, "Data Link Layer Link Active not %s in 1000 msec\n",
active ? "set" : "cleared");
return ret == active;
}
+/**
+ * pcie_wait_for_link - Wait until link is active or inactive
+ * @pdev: Bridge device
+ * @active: waiting for active or inactive?
+ *
+ * Use this to wait till link becomes active or inactive.
+ */
+bool pcie_wait_for_link(struct pci_dev *pdev, bool active)
+{
+ return pcie_wait_for_link_delay(pdev, active, 100);
+}
+
void pci_reset_secondary_bus(struct pci_dev *dev)
{
u16 ctrl;