diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_iba6120.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_iba6120.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_iba6120.c b/drivers/infiniband/hw/ipath/ipath_iba6120.c index 3a7640be253..d86516d23df 100644 --- a/drivers/infiniband/hw/ipath/ipath_iba6120.c +++ b/drivers/infiniband/hw/ipath/ipath_iba6120.c @@ -654,6 +654,15 @@ static int ipath_pe_bringup_serdes(struct ipath_devdata *dd) val &= ~INFINIPATH_XGXS_RESET; change = 1; } + if (((val >> INFINIPATH_XGXS_RX_POL_SHIFT) & + INFINIPATH_XGXS_RX_POL_MASK) != dd->ipath_rx_pol_inv ) { + /* need to compensate for Tx inversion in partner */ + val &= ~(INFINIPATH_XGXS_RX_POL_MASK << + INFINIPATH_XGXS_RX_POL_SHIFT); + val |= dd->ipath_rx_pol_inv << + INFINIPATH_XGXS_RX_POL_SHIFT; + change = 1; + } if (change) ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val); |