The same operation is performed when the Ethernet driver initializes
the port. If the SET_PORT command is being performed without
INIT_PORT command that follows it, the link sensing fsm is found in a
bad state. Removing the command from the mlx4_core ensures this
situation never happens.

Signed-off-by: Yevgeny Petrilin <[email protected]>
---
 drivers/net/mlx4/port.c |   13 +++++--------
 1 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/net/mlx4/port.c b/drivers/net/mlx4/port.c
index 0a057e5..7cce334 100644
--- a/drivers/net/mlx4/port.c
+++ b/drivers/net/mlx4/port.c
@@ -298,20 +298,17 @@ int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port)
 {
        struct mlx4_cmd_mailbox *mailbox;
        int err;
-       u8 is_eth = dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH;

        mailbox = mlx4_alloc_cmd_mailbox(dev);
        if (IS_ERR(mailbox))
                return PTR_ERR(mailbox);

        memset(mailbox->buf, 0, 256);
-       if (is_eth) {
-               ((u8 *) mailbox->buf)[3] = 6;
-               ((__be16 *) mailbox->buf)[4] = cpu_to_be16(1 << 15);
-               ((__be16 *) mailbox->buf)[6] = cpu_to_be16(1 << 15);
-       } else
-               ((__be32 *) mailbox->buf)[1] = dev->caps.ib_port_def_cap[port];
-       err = mlx4_cmd(dev, mailbox->dma, port, is_eth, MLX4_CMD_SET_PORT,
+       if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH)
+               return 0;
+
+       ((__be32 *) mailbox->buf)[1] = dev->caps.ib_port_def_cap[port];
+       err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_SET_PORT,
                       MLX4_CMD_TIME_CLASS_B);

        mlx4_free_cmd_mailbox(dev, mailbox);
-- 
1.6.1.3



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