iwlwifi: kill bus_get_hw_id_string

Get this information from the transport layer.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index 8ebb5a5..73ff68a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -2317,6 +2317,8 @@
 	trans->dev = &pdev->dev;
 	trans->irq = pdev->irq;
 	trans_pcie->pci_dev = pdev;
+	snprintf(trans->hw_id_str, sizeof(trans->hw_id_str),
+		 "PCI ID: 0x%04X:0x%04X", pdev->device, pdev->subsystem_device);
 
 	/* TODO: Move this away, not needed if not MSI */
 	/* enable rfkill interrupt: hw bug w/a */