From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tariq Toukan Subject: [PATCH net-next 3/3] net/mlx4_en: Use __force to fix a sparse warning in TX datapath Date: Mon, 9 Oct 2017 16:59:50 +0300 Message-ID: <1507557590-17747-4-git-send-email-tariqt@mellanox.com> References: <1507557590-17747-1-git-send-email-tariqt@mellanox.com> Cc: netdev@vger.kernel.org, Eran Ben Elisha , Tariq Toukan To: "David S. Miller" Return-path: Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:33680 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755140AbdJIOAE (ORCPT ); Mon, 9 Oct 2017 10:00:04 -0400 In-Reply-To: <1507557590-17747-1-git-send-email-tariqt@mellanox.com> Sender: netdev-owner@vger.kernel.org List-ID: In TX data-path, we intentionally do not byte-swap, as documented in code and in the cited commit log. This fixes sparse warning: en_tx.c:720:23: warning: incorrect type in argument 1 (different base types) en_tx.c:720:23: expected unsigned int [unsigned] [usertype] en_tx.c:720:23: got restricted __be32 [usertype] doorbell_qpn Fixes: 492f5add4be8 ("net/mlx4_en: Doorbell is byteswapped in Little Endian archs") Signed-off-by: Tariq Toukan --- drivers/net/ethernet/mellanox/mlx4/en_tx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 8a32a8f7f9c0..2cc82dc07397 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -718,7 +718,7 @@ void mlx4_en_xmit_doorbell(struct mlx4_en_tx_ring *ring) #else iowrite32be( #endif - ring->doorbell_qpn, + (__force u32)ring->doorbell_qpn, ring->bf.uar->map + MLX4_SEND_DOORBELL); } -- 1.8.3.1