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PCI: Cache PCIe Device Capabilities register
Add a new member called devcap in struct pci_dev for caching the PCIe Device Capabilities register to avoid reading PCI_EXP_DEVCAP multiple times. Refactor pcie_has_flr() to use cached device capabilities. Link: https://lore.kernel.org/r/20210817180500.1253-2-ameynarkhede03@gmail.com Signed-off-by: Amey Narkhede <ameynarkhede03@gmail.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
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Amey Narkhede
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Bjorn Helgaas
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Aug 17, 2021
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