From: Johannes Berg johannes.berg@intel.com
[ Upstream commit b2ed841ed070ccbe908016537f429a3a8f0221bf ]
Start tracking not just if the firmware is dead or alive, but also if it's starting.
Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Luca Coelho luciano.coelho@intel.com Link: https://lore.kernel.org/r/iwlwifi.20201209231352.33e50d40b688.I8bbd41af7aa5e... Signed-off-by: Luca Coelho luciano.coelho@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/intel/iwlwifi/iwl-trans.h | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index 675fffb39b729..b633555b0f58e 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -619,12 +619,14 @@ struct iwl_trans_ops { /** * enum iwl_trans_state - state of the transport layer * - * @IWL_TRANS_NO_FW: no fw has sent an alive response - * @IWL_TRANS_FW_ALIVE: a fw has sent an alive response + * @IWL_TRANS_NO_FW: firmware wasn't started yet, or crashed + * @IWL_TRANS_FW_STARTED: FW was started, but not alive yet + * @IWL_TRANS_FW_ALIVE: FW has sent an alive response */ enum iwl_trans_state { - IWL_TRANS_NO_FW = 0, - IWL_TRANS_FW_ALIVE = 1, + IWL_TRANS_NO_FW, + IWL_TRANS_FW_STARTED, + IWL_TRANS_FW_ALIVE, };
/** @@ -833,12 +835,18 @@ static inline int iwl_trans_start_fw(struct iwl_trans *trans, const struct fw_img *fw, bool run_in_rfkill) { + int ret; + might_sleep();
WARN_ON_ONCE(!trans->rx_mpdu_cmd);
clear_bit(STATUS_FW_ERROR, &trans->status); - return trans->ops->start_fw(trans, fw, run_in_rfkill); + ret = trans->ops->start_fw(trans, fw, run_in_rfkill); + if (ret == 0) + trans->state = IWL_TRANS_FW_STARTED; + + return ret; }
static inline void _iwl_trans_stop_device(struct iwl_trans *trans,