IB/mthca: Remove extra code for RESET->ERR QP state transition

Commit b18aad71 ("IB/mthca: Fix RESET to ERROR transition") added some
extra code to handle a QP state transition from RESET to ERROR.
However, the latest 1.2.1 version of the IB spec has clarified that
this transition is actually not allowed, so we can remove this extra
code again.

Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index 3b1c5baf13b19cb236b959afa08711c7ef0b531d..77b52b3adcc7fe6819f67c0a6e6d88ea802c1012 100644 (file)
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -848,23 +848,6 @@ out:
        return err;
 }
 
-static const struct ib_qp_attr dummy_init_attr = { .port_num = 1 };
-static const int dummy_init_attr_mask[] = {
-       [IB_QPT_UD]  = (IB_QP_PKEY_INDEX                |
-                       IB_QP_PORT                      |
-                       IB_QP_QKEY),
-       [IB_QPT_UC]  = (IB_QP_PKEY_INDEX                |
-                       IB_QP_PORT                      |
-                       IB_QP_ACCESS_FLAGS),
-       [IB_QPT_RC]  = (IB_QP_PKEY_INDEX                |
-                       IB_QP_PORT                      |
-                       IB_QP_ACCESS_FLAGS),
-       [IB_QPT_SMI] = (IB_QP_PKEY_INDEX                |
-                       IB_QP_QKEY),
-       [IB_QPT_GSI] = (IB_QP_PKEY_INDEX                |
-                       IB_QP_QKEY),
-};
-
 int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
                    struct ib_udata *udata)
 {
@@ -926,15 +909,6 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
                goto out;
        }
 
-       if (cur_state == IB_QPS_RESET && new_state == IB_QPS_ERR) {
-               err = __mthca_modify_qp(ibqp, &dummy_init_attr,
-                                       dummy_init_attr_mask[ibqp->qp_type],
-                                       IB_QPS_RESET, IB_QPS_INIT);
-               if (err)
-                       goto out;
-               cur_state = IB_QPS_INIT;
-       }
-
        err = __mthca_modify_qp(ibqp, attr, attr_mask, cur_state, new_state);
 
 out: