linux-kernel - [PATCH 4.9 148/148] RDMA/cxgb4: Annotate r2 and stag as _

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Date:   Tue, 12 Dec 2017 13:45:58 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Steve Wise <swise@...ngridcomputing.com>,
        Leon Romanovsky <leon@...nel.org>,
        Doug Ledford <dledford@...hat.com>,
        Sasha Levin <alexander.levin@...izon.com>
Subject: [PATCH 4.9 148/148] RDMA/cxgb4: Annotate r2 and stag as __be32

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Leon Romanovsky <leon@...nel.org>


[ Upstream commit 7d7d065a5eec7e218174d5c64a9f53f99ffdb119 ]

Chelsio cxgb4 HW is big-endian, hence there is need to properly
annotate r2 and stag fields as __be32 and not __u32 to fix the
following sparse warnings.

  drivers/infiniband/hw/cxgb4/qp.c:614:16:
    warning: incorrect type in assignment (different base types)
      expected unsigned int [unsigned] [usertype] r2
      got restricted __be32 [usertype] <noident>
  drivers/infiniband/hw/cxgb4/qp.c:615:18:
    warning: incorrect type in assignment (different base types)
      expected unsigned int [unsigned] [usertype] stag
      got restricted __be32 [usertype] <noident>

Cc: Steve Wise <swise@...ngridcomputing.com>
Signed-off-by: Leon Romanovsky <leon@...nel.org>
Reviewed-by: Steve Wise <swise@...ngridcomputing.com>
Signed-off-by: Doug Ledford <dledford@...hat.com>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/infiniband/hw/cxgb4/t4fw_ri_api.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/infiniband/hw/cxgb4/t4fw_ri_api.h
+++ b/drivers/infiniband/hw/cxgb4/t4fw_ri_api.h
@@ -675,8 +675,8 @@ struct fw_ri_fr_nsmr_tpte_wr {
 	__u16  wrid;
 	__u8   r1[3];
 	__u8   len16;
-	__u32  r2;
-	__u32  stag;
+	__be32  r2;
+	__be32  stag;
 	struct fw_ri_tpte tpte;
 	__u64  pbl[2];
 };