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authorJack Morgenstein <jackm@dev.mellanox.co.il>2015-01-27 15:58:03 +0200
committerDavid S. Miller <davem@davemloft.net>2015-01-27 17:12:57 -0800
commit30a5da5b3301e386de99911fe6c1cd1aa37fb970 (patch)
treec3646a27eeab3a483b2bd7a886880ba338400237 /drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
parent5a03108689c6f3e448a920b42af04e6d28401f80 (diff)
downloadop-kernel-dev-30a5da5b3301e386de99911fe6c1cd1aa37fb970.zip
op-kernel-dev-30a5da5b3301e386de99911fe6c1cd1aa37fb970.tar.gz
net/mlx4_core: Fix HW2SW_EQ to conform to the firmware spec
The driver incorrectly assigned an out-mailbox to this command, and used an opcode modifier = 0, which is a reserved value (it should use opcode modifier = 1). Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/resource_tracker.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/resource_tracker.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 3e93879..79feeb6 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -4677,7 +4677,6 @@ static void rem_slave_eqs(struct mlx4_dev *dev, int slave)
int state;
LIST_HEAD(tlist);
int eqn;
- struct mlx4_cmd_mailbox *mailbox;
err = move_all_busy(dev, slave, RES_EQ);
if (err)
@@ -4703,20 +4702,13 @@ static void rem_slave_eqs(struct mlx4_dev *dev, int slave)
break;
case RES_EQ_HW:
- mailbox = mlx4_alloc_cmd_mailbox(dev);
- if (IS_ERR(mailbox)) {
- cond_resched();
- continue;
- }
- err = mlx4_cmd_box(dev, slave, 0,
- eqn & 0xff, 0,
- MLX4_CMD_HW2SW_EQ,
- MLX4_CMD_TIME_CLASS_A,
- MLX4_CMD_NATIVE);
+ err = mlx4_cmd(dev, slave, eqn & 0xff,
+ 1, MLX4_CMD_HW2SW_EQ,
+ MLX4_CMD_TIME_CLASS_A,
+ MLX4_CMD_NATIVE);
if (err)
mlx4_dbg(dev, "rem_slave_eqs: failed to move slave %d eqs %d to SW ownership\n",
slave, eqn);
- mlx4_free_cmd_mailbox(dev, mailbox);
atomic_dec(&eq->mtt->ref_count);
state = RES_EQ_RESERVED;
break;
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