net/mlx5: Wait for firmware to enable CRS before pci_restore_state

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After firmware reset driver should verify firmware already enabled CRS
and became responsive to pci config cycles before restoring pci state.
Fix that by waiting till device_id is readable through PCI again.

Fixes: eabe8e5e88 ("net/mlx5: Handle sync reset now event")
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Link: https://lore.kernel.org/r/20221026135153.154807-3-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Moshe Shemesh 2022-10-26 14:51:40 +01:00 • committed by Jakub Kicinski

parent 888be6b279

commit 212b4d7251

1 changed files with 17 additions and 0 deletions

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

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