IB/hfi1: Remove unused elements from struct ahg_ib_header

sde and hfi1_ib_header are not used anymore.
Reviewed-by: NDennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: NDean Luick <dean.luick@intel.com>
Reviewed-by: NIra Weiny <ira.weiny@intel.com>
Signed-off-by: NDasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: NDon Hiatt <don.hiatt@intel.com>
Signed-off-by: NDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

drivers/infiniband/hw/hfi1/ruc.c

@@ -735,7 +735,6 @@ static inline void build_ahg(struct rvt_qp *qp, u32 npsn)
 			qp->s_ahgpsn = npsn;
 			priv->s_hdr->tx_flags |= SDMA_TXREQ_F_AHG_COPY;
 			/* save to protect a change in another thread */
-			priv->s_hdr->sde = priv->s_sde;
 			priv->s_hdr->ahgidx = qp->s_ahgidx;
 			qp->s_flags |= RVT_S_AHG_VALID;
 		}
@@ -804,7 +803,6 @@ void hfi1_make_ruc_header(struct rvt_qp *qp, struct hfi1_other_headers *ohdr,
 	priv->s_hdr->tx_flags = 0;
 	priv->s_hdr->ahgcount = 0;
 	priv->s_hdr->ahgidx = 0;
-	priv->s_hdr->sde = NULL;
 	if (qp->s_mig_state == IB_MIG_MIGRATED)
 		bth0 |= IB_BTH_MIG_REQ;
 	else

drivers/infiniband/hw/hfi1/ud.c

@@ -433,7 +433,6 @@ int hfi1_make_ud_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps)
 	priv->s_hdr->ahgcount = 0;
 	priv->s_hdr->ahgidx = 0;
 	priv->s_hdr->tx_flags = 0;
-	priv->s_hdr->sde = NULL;
 	/* pbc */
 	ps->s_txreq->hdr_dwords = qp->s_hdrwords + 2;
 

drivers/infiniband/hw/hfi1/verbs.h

@@ -179,12 +179,10 @@ struct hfi1_ib_header {
 } __packed;
 
 struct ahg_ib_header {
-	struct sdma_engine *sde;
 	u32 ahgdesc[2];
 	u16 tx_flags;
 	u8 ahgcount;
 	u8 ahgidx;
-	struct hfi1_ib_header ibh;
 };
 
 struct hfi1_pio_header {