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Olof Johansson authored
Erratum 5945 causes some of the registers on the PCIe root ports to not read correctly. Do a small dance to avoid this: Write an unused register, read the value and write it back. Thankfully this is not in a hot code path. Signed-off-by:
Olof Johansson <olof@lixom.net> Signed-off-by:
Paul Mackerras <paulus@samba.org>
4d442331