RDMA/siw: Remove the query_pkey callback

Now that the query_pkey() isn't mandatory by the RDMA core for iwarp
providers, this callback can be removed.

Link: https://lore.kernel.org/r/20200714183414.61069-5-kamalheib1@gmail.comSigned-off-by: Kamal Heib <kamalheib1@gmail.com>
Acked-by: Bernard Metzler <bmt@zurich.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/sw/siw/siw_main.c

@@ -288,7 +288,6 @@ static const struct ib_device_ops siw_device_ops = {
 	.post_srq_recv = siw_post_srq_recv,
 	.query_device = siw_query_device,
 	.query_gid = siw_query_gid,
-	.query_pkey = siw_query_pkey,
 	.query_port = siw_query_port,
 	.query_qp = siw_query_qp,
 	.query_srq = siw_query_srq,

drivers/infiniband/sw/siw/siw_verbs.c

@@ -176,7 +176,6 @@ int siw_query_port(struct ib_device *base_dev, u8 port,
 	attr->active_mtu = ib_mtu_int_to_enum(sdev->netdev->mtu);
 	attr->phys_state = sdev->state == IB_PORT_ACTIVE ?
 		IB_PORT_PHYS_STATE_LINK_UP : IB_PORT_PHYS_STATE_DISABLED;
-	attr->pkey_tbl_len = 1;
 	attr->port_cap_flags = IB_PORT_CM_SUP | IB_PORT_DEVICE_MGMT_SUP;
 	attr->state = sdev->state;
 	/*
@@ -204,20 +203,12 @@ int siw_get_port_immutable(struct ib_device *base_dev, u8 port,
 	if (rv)
 		return rv;
 
-	port_immutable->pkey_tbl_len = attr.pkey_tbl_len;
 	port_immutable->gid_tbl_len = attr.gid_tbl_len;
 	port_immutable->core_cap_flags = RDMA_CORE_PORT_IWARP;
 
 	return 0;
 }
 
-int siw_query_pkey(struct ib_device *base_dev, u8 port, u16 idx, u16 *pkey)
-{
-	/* Report the default pkey */
-	*pkey = 0xffff;
-	return 0;
-}
-
 int siw_query_gid(struct ib_device *base_dev, u8 port, int idx,
 		  union ib_gid *gid)
 {

drivers/infiniband/sw/siw/siw_verbs.h

@@ -46,7 +46,6 @@ int siw_create_cq(struct ib_cq *base_cq, const struct ib_cq_init_attr *attr,
 		  struct ib_udata *udata);
 int siw_query_port(struct ib_device *base_dev, u8 port,
 		   struct ib_port_attr *attr);
-int siw_query_pkey(struct ib_device *base_dev, u8 port, u16 idx, u16 *pkey);
 int siw_query_gid(struct ib_device *base_dev, u8 port, int idx,
 		  union ib_gid *gid);
 int siw_alloc_pd(struct ib_pd *base_pd, struct ib_udata *udata);