wifi: iwlwifi: add iwl_trans_is_dead() API

Add iwl_trans_is_dead() function to be called by the op modes instead
of directly checking the trans status bits. This hides the trans
internal implementation details from callers.

Signed-off-by: Rotem Kerem <rotem.kerem@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250710212632.cd89d8013261.I214b7ffbabc393593fb57831d61d1a9ffa318a1e@changeid

5 files changed, 9 insertions, 4 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index ed72199c0b21..2879be4b8fcb 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -3186,7 +3186,7 @@ static void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt, u8 wk_idx)
 	}
 
 	/* there's no point in fw dump if the bus is dead */
-	if (test_bit(STATUS_TRANS_DEAD, &fwrt->trans->status)) {
+	if (iwl_trans_is_dead(fwrt->trans)) {
 		IWL_ERR(fwrt, "Skip fw error dump since bus is dead\n");
 		goto out;
 	}
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
index 2dff87c07512..6d983fe2ee44 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -1545,7 +1545,7 @@ _iwl_op_mode_start(struct iwl_drv *drv, struct iwlwifi_opmode_table *op)
 		if (!IS_ERR(op_mode))
 			return op_mode;
 
-		if (test_bit(STATUS_TRANS_DEAD, &drv->trans->status))
+		if (iwl_trans_is_dead(drv->trans))
 			break;
 
 #ifdef CONFIG_IWLWIFI_DEBUGFS
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
index 200a8d5d5bb6..d0e658801c2e 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
@@ -1240,6 +1240,11 @@ static inline bool iwl_trans_device_enabled(struct iwl_trans *trans)
 	return test_bit(STATUS_DEVICE_ENABLED, &trans->status);
 }
 
+static inline bool iwl_trans_is_dead(struct iwl_trans *trans)
+{
+	return test_bit(STATUS_TRANS_DEAD, &trans->status);
+}
+
 /*****************************************************
  * PCIe handling
  *****************************************************/
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/mld.c b/drivers/net/wireless/intel/iwlwifi/mld/mld.c
index 7ade5b714457..12682396bdc3 100644
--- a/drivers/net/wireless/intel/iwlwifi/mld/mld.c
+++ b/drivers/net/wireless/intel/iwlwifi/mld/mld.c
@@ -630,7 +630,7 @@ iwl_mld_nic_error(struct iwl_op_mode *op_mode,
 		  enum iwl_fw_error_type type)
 {
 	struct iwl_mld *mld = IWL_OP_MODE_GET_MLD(op_mode);
-	bool trans_dead = test_bit(STATUS_TRANS_DEAD, &mld->trans->status);
+	bool trans_dead = iwl_trans_is_dead(mld->trans);
 
 	if (type == IWL_ERR_TYPE_CMD_QUEUE_FULL)
 		IWL_ERR(mld, "Command queue full!\n");
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 7dfae8b1a43e..eb1b2f182be5 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -2053,7 +2053,7 @@ static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode,
 
 	if (type == IWL_ERR_TYPE_CMD_QUEUE_FULL)
 		IWL_ERR(mvm, "Command queue full!\n");
-	else if (!test_bit(STATUS_TRANS_DEAD, &mvm->trans->status) &&
+	else if (!iwl_trans_is_dead(mvm->trans) &&
 		 !test_and_clear_bit(IWL_MVM_STATUS_SUPPRESS_ERROR_LOG_ONCE,
 				     &mvm->status))
 		iwl_mvm_dump_nic_error_log(mvm);