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pci_dw.c: Trim ATU windows bigger than 4GB
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Authored by kd on Apr 7 2021, 11:19 AM.

Details

Summary

The size of the ATU MEM/IO windows is implicitly casted to uint32_t.
Because of that some window sizes were silently demoted to 0 and ignored.
Check the size if its too large, trim it to 4GB and print a warning message.

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rG FreeBSD src repository
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Unit
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