IB/qib: Clear 6120 hardware error register

The hardware error register needs to be cleared or another interrupt
will be generated, thus causing an infinite loop.  This is a
regression introduced when removing debug output.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c
index 1eadadc13da..a5e29dbb953 100644
--- a/drivers/infiniband/hw/qib/qib_iba6120.c
+++ b/drivers/infiniband/hw/qib/qib_iba6120.c
@@ -1355,8 +1355,7 @@ static int qib_6120_bringup_serdes(struct qib_pportdata *ppd)
         hwstat = qib_read_kreg64(dd, kr_hwerrstatus);
         if (hwstat) {
                 /* should just have PLL, clear all set, in an case */
-                if (hwstat & ~QLOGIC_IB_HWE_SERDESPLLFAILED)
-                        qib_write_kreg(dd, kr_hwerrclear, hwstat);
+                qib_write_kreg(dd, kr_hwerrclear, hwstat);
                 qib_write_kreg(dd, kr_errclear, ERR_MASK(HardwareErr));
         }