drivers: Remove useless trailing comments from mmiowb() invocations

In preparation for using coccinelle to remove all mmiowb() instances
from drivers, remove all trailing comments since they won't be picked up
by spatch later on and will end up being preserved in the code.

Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>

diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index 612f04190ed8386e51ab5f8321464320140c1e77..12e67a91e5781231059f5aae80162c8f0fc3d778 100644 (file)
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -8365,7 +8365,7 @@ static inline void clear_recv_intr(struct hfi1_ctxtdata *rcd)
        struct hfi1_devdata *dd = rcd->dd;
        u32 addr = CCE_INT_CLEAR + (8 * rcd->ireg);
 
-       mmiowb();       /* make sure everything before is written */
+       mmiowb();
        write_csr(dd, addr, rcd->imask);
        /* force the above write on the chip and get a value back */
        (void)read_csr(dd, addr);

diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c
index 59ad4202422c10585d2e0380a3de21cb8b6b121e..4dab2b5ffb0ea1d15ffed2a1c97c5a42d4083a65 100644 (file)
--- a/drivers/infiniband/hw/qedr/verbs.c
+++ b/drivers/infiniband/hw/qedr/verbs.c
@@ -3700,7 +3700,7 @@ int qedr_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
 
                if (rdma_protocol_iwarp(&dev->ibdev, 1)) {
                        writel(qp->rq.iwarp_db2_data.raw, qp->rq.iwarp_db2);
-                       mmiowb();       /* for second doorbell */
+                       mmiowb();
                }
 
                wr = wr->next;

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
index 2462e7aa0c5d3321225a9254565289b1986c080c..1ed068509337c7352cda57c6317fa0c3afae2f2e 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -527,7 +527,7 @@ static inline void bnx2x_update_rx_prod(struct bnx2x *bp,
                REG_WR_RELAXED(bp, fp->ustorm_rx_prods_offset + i * 4,
                               ((u32 *)&rx_prods)[i]);
 
-       mmiowb(); /* keep prod updates ordered */
+       mmiowb();
 
        DP(NETIF_MSG_RX_STATUS,
           "queue[%d]:  wrote  bd_prod %u  cqe_prod %u  sge_prod %u\n",

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 626b491f7674fd7888ef2ba560231c999b2b1744..e46786a56b0ca9899ba61465c49cd0b466bcf3f0 100644 (file)
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -5244,7 +5244,7 @@ static void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
 {
        /* No memory barriers */
        storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
-       mmiowb(); /* keep prod updates ordered */
+       mmiowb();
 }
 
 static int  bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,

diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c
index fae6f71e677d712a41fc8911b5f18819cf9e518d..d56a78f411cd314d05c500df80aafd5458958bbd 100644 (file)
--- a/drivers/scsi/bnx2i/bnx2i_hwi.c
+++ b/drivers/scsi/bnx2i/bnx2i_hwi.c
@@ -280,7 +280,7 @@ static void bnx2i_ring_sq_dbell(struct bnx2i_conn *bnx2i_conn, int count)
        } else
                writew(count, ep->qp.ctx_base + CNIC_SEND_DOORBELL);
 
-       mmiowb(); /* flush posted PCI writes */
+       mmiowb();
 }