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devlink: add unknown 'fw_load_policy' value
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Similar to the 'reset_dev_on_drv_probe' devlink parameter, it is useful
to have an unknown value which can be used by drivers to report that the
hardware value isn't recognized or is otherwise invalid instead of
failing the operation.

This is especially useful for u8/enum parameters.

Suggested-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Dirk van der Merwe authored and David S. Miller committed Sep 11, 2019
1 parent c1b3ddf commit 64f658d
Showing 1 changed file with 1 addition and 0 deletions.
1 change: 1 addition & 0 deletions include/uapi/linux/devlink.h
Original file line number Diff line number Diff line change
Expand Up @@ -203,6 +203,7 @@ enum devlink_param_fw_load_policy_value {
DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DRIVER,
DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_FLASH,
DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_DISK,
DEVLINK_PARAM_FW_LOAD_POLICY_VALUE_UNKNOWN,
};

enum devlink_param_reset_dev_on_drv_probe_value {
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