netdev - [PATCH net-next 1/9] net/mlx5_core: Request the mlx5 IB module on driver load

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Message-Id: <1417515979-22418-2-git-send-email-eli@mellanox.com>
Date:	Tue,  2 Dec 2014 12:26:11 +0200
From:	Eli Cohen <eli@....mellanox.co.il>
To:	davem@...emloft.net
Cc:	roland@...nel.org, linux-rdma@...r.kernel.org,
	netdev@...r.kernel.org, ogerlitz@...lanox.com, amirv@...lanox.com,
	Eli Cohen <eli@...lanox.com>
Subject: [PATCH net-next 1/9] net/mlx5_core: Request the mlx5 IB module on driver load

Call request module on mlx5_ib so it will be available for applications
requiring it, such as installers that require boot over IB.

Signed-off-by: Eli Cohen <eli@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/main.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 71b10b210792..4e3c27e77768 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -43,6 +43,7 @@
 #include <linux/mlx5/qp.h>
 #include <linux/mlx5/srq.h>
 #include <linux/debugfs.h>
+#include <linux/kmod.h>
 #include <linux/mlx5/mlx5_ifc.h>
 #include "mlx5_core.h"
 
@@ -840,6 +841,8 @@ struct mlx5_core_event_handler {
 		      void *data);
 };
 
+#define MLX5_IB_MOD "mlx5_ib"
+
 static int init_one(struct pci_dev *pdev,
 		    const struct pci_device_id *id)
 {
@@ -878,6 +881,10 @@ static int init_one(struct pci_dev *pdev,
 		goto out_init;
 	}
 
+	err = request_module_nowait(MLX5_IB_MOD);
+	if (err)
+		pr_info("failed request module on %s\n", MLX5_IB_MOD);
+
 	return 0;
 
 out_init:
-- 
2.1.3

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