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H A D | pci.c | diff 4d442331e57b7bbc28b5a20f7d069bc12e9c503e Wed Sep 05 04:08:50 CEST 2007 Olof Johansson <olof@lixom.net> [POWERPC] pasemi: Add workaround for erratum 5945
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>
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