PCI: altera: Poll for link up status after retraining the link

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Some PCIe devices take a long time to reach link up state after retrain.
Poll for link up status after retraining the link.  This is to make sure
the link is up before we access configuration space.

[bhelgaas: changelog]
Signed-off-by: Ley Foon Tan <lftan@altera.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

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Ley Foon Tan 2016-06-21 16:53:13 +08:00 • committed by Bjorn Helgaas

parent c622032ebc

commit 3a928e98a8

1 changed files with 11 additions and 1 deletions

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drivers/pci/host/pcie-altera.c

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