diff options
| author | Asai Thambi S P <asamymuthupa@micron.com> | 2014-03-13 18:45:15 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-06 18:57:26 -0700 |
| commit | daa44169466c2d6a3eeced05bec107fdbcd2207e (patch) | |
| tree | cd2b644e3d503a578274953277a3e111aed907d3 /scripts/docproc.c | |
| parent | d3f891a0ab86ea6b43bd2133a9fac62e5b3581c0 (diff) | |
mtip32xx: Fix ERO and NoSnoop values in PCIe upstream on AMD systems
commit d1e714db8129a1d3670e449b87719c78e2c76f9f upstream.
A hardware quirk in P320h/P420m interfere with PCIe transactions on some
AMD chipsets, making P320h/P420m unusable. This workaround is to disable
ERO and NoSnoop bits in the parent and root complex for normal
functioning of these devices
NOTE: This workaround is specific to AMD chipset with a PCIe upstream
device with device id 0x5aXX
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Sam Bradshaw <sbradshaw@micron.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'scripts/docproc.c')
0 files changed, 0 insertions, 0 deletions