PCI: xilinx-nwl: Avoid crashing if configuring when the link is down

The ECAM will return a slave error if we access non-root devices while
the link is down. Add a check for this like Linux does so we don't
crash.

Fixes: 2f5ad77cfea ("PCI: zynqmp: Add ZynqMP NWL PCIe root port driver")
Signed-off-by: Sean Anderson <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>
Signed-off-by: Michal Simek <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

0 files changed, 0 insertions, 0 deletions