diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_driver.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_driver.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c index f130652cfaa..5a9dc317f40 100644 --- a/drivers/infiniband/hw/ipath/ipath_driver.c +++ b/drivers/infiniband/hw/ipath/ipath_driver.c @@ -1340,14 +1340,9 @@ static void ipath_update_pio_bufs(struct ipath_devdata *dd) /* * Chip Errata: bug 6641; even and odd qwords>3 are swapped */ - if (i > 3) { - if (i & 1) - piov = le64_to_cpu( - dd->ipath_pioavailregs_dma[i - 1]); - else - piov = le64_to_cpu( - dd->ipath_pioavailregs_dma[i + 1]); - } else + if (i > 3 && (dd->ipath_flags & IPATH_SWAP_PIOBUFS)) + piov = le64_to_cpu(dd->ipath_pioavailregs_dma[i ^ 1]); + else piov = le64_to_cpu(dd->ipath_pioavailregs_dma[i]); pchg = _IPATH_ALL_CHECKBITS & ~(dd->ipath_pioavailshadow[i] ^ piov); |