iwlwifi: mvm: remove the read_nvm from iwl_run_init_mvm_ucode

If we already read the NVM, we don't need to read it again.
Make sure that this is the case with a WARNING.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20201209231352.8e0ffce7f873.Ie526042c4d4b93d9116c90f53180cbadef0b32cb@changeidSigned-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/mvm/fw.c

@@ -647,7 +647,7 @@ static int iwl_send_phy_cfg_cmd(struct iwl_mvm *mvm)
 				    cmd_size, &phy_cfg_cmd);
 }
 
-int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
+int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm)
 {
 	struct iwl_notification_wait calib_wait;
 	static const u16 init_complete[] = {
@@ -684,7 +684,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
 	}
 
 	/* Read the NVM only at driver load time, no need to do this twice */
-	if (read_nvm) {
+	if (!mvm->nvm_data) {
 		ret = iwl_nvm_init(mvm);
 		if (ret) {
 			IWL_ERR(mvm, "Failed to read NVM: %d\n", ret);
@@ -1332,7 +1332,8 @@ static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
 	if (iwl_mvm_has_unified_ucode(mvm))
 		return iwl_run_unified_mvm_ucode(mvm, false);
 
-	ret = iwl_run_init_mvm_ucode(mvm, false);
+	WARN_ON(!mvm->nvm_data);
+	ret = iwl_run_init_mvm_ucode(mvm);
 
 	if (ret) {
 		IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);

drivers/net/wireless/intel/iwlwifi/mvm/mvm.h

@@ -1481,7 +1481,7 @@ int __iwl_mvm_mac_start(struct iwl_mvm *mvm);
  * MVM Methods
  ******************/
 /* uCode */
-int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm);
+int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm);
 
 /* Utils */
 int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,

drivers/net/wireless/intel/iwlwifi/mvm/ops.c

@@ -822,7 +822,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 		goto out_free;
 
 	mutex_lock(&mvm->mutex);
-	err = iwl_run_init_mvm_ucode(mvm, true);
+	err = iwl_run_init_mvm_ucode(mvm);
 	if (err && err != -ERFKILL)
 		iwl_fw_dbg_error_collect(&mvm->fwrt, FW_DBG_TRIGGER_DRIVER);
 	if (!iwlmvm_mod_params.init_dbg || !err)