net/mlx5: Wait for FW readiness before initializing command interface

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Before attempting to initialize the command interface we must wait till
the fw_initializing bit is clear.

If we fail to meet this condition the hardware will drop our
configuration, specifically the descriptors page address.  This scenario
can happen when the firmware is still executing an FLR flow and did not
finish yet so the driver needs to wait for that to finish.

Fixes: e3297246c2 ('net/mlx5_core: Wait for FW readiness on startup')
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

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Eli Cohen 2017-06-08 11:33:16 -05:00 • committed by Saeed Mahameed

parent 3b1bbafbfd

commit 6c780a0267

1 changed files with 12 additions and 2 deletions

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drivers/net/ethernet/mellanox/mlx5/core/main.c

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