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PCI: Add support for polling DLLLA to pcie_retrain_link()
Let the caller of pcie_retrain_link() specify whether they want to use the LT bit or the DLLLA bit of the Link Status Register to determine if link training has completed. It is up to the caller to verify whether the use of the DLLLA bit, the implementation of which is optional, is valid for the device requested. Link: https://lore.kernel.org/r/alpine.DEB.2.21.2306110310540.64925@angie.orcam.me.uk Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Maciej W. Rozycki
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Bjorn Helgaas
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Jun 20, 2023
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