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| author |   Olof Johansson <olof@lixom.net> | 2007-09-05 12:08:50 +1000 |
|---|---|---|
| committer |   Paul Mackerras <paulus@samba.org> | 2007-09-14 01:33:21 +1000 |
| commit | 4d442331e57b7bbc28b5a20f7d069bc12e9c503e (patch) | |
| tree | e9feaf54400dc32c78add422c2f3d4c0277c404e /arch/powerpc/kernel/sysfs.c | |
| parent | [POWERPC] pasemi: Add pasemi_pci_getcfgaddr() (diff) | |
| download | wireguard-linux-4d442331e57b7bbc28b5a20f7d069bc12e9c503e.tar.xz wireguard-linux-4d442331e57b7bbc28b5a20f7d069bc12e9c503e.zip | |
[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>
Diffstat (limited to 'arch/powerpc/kernel/sysfs.c')
0 files changed, 0 insertions, 0 deletions