cnss2: Add PCIe's link resume failed event

Add BUS_EVENT_PCIE_LINK_RESUME_FAIL type to bus event type.

Change-Id: If13f53ed9f2c6968eed5e11343cc493e740d82bd
CRs-Fixed: 3646812

cnss2/main.c

@@ -1989,8 +1989,10 @@ void cnss_recovery_handler(struct cnss_plat_data *plat_priv)
 	msleep(POWER_RESET_MIN_DELAY_MS);
 
 	ret = cnss_bus_dev_powerup(plat_priv);
-	if (ret)
+	if (ret) {
 		__pm_relax(plat_priv->recovery_ws);
+		clear_bit(CNSS_DRIVER_RECOVERY, &plat_priv->driver_state);
+	}
 
 	return;
 }
@@ -2050,6 +2052,8 @@ static const char *cnss_recovery_reason_to_str(enum cnss_recovery_reason reason)
 static int cnss_do_recovery(struct cnss_plat_data *plat_priv,
 			    enum cnss_recovery_reason reason)
 {
+	int ret;
+
 	plat_priv->recovery_count++;
 
 	if (plat_priv->device_id == QCA6174_DEVICE_ID)
@@ -2122,7 +2126,9 @@ self_recovery:
 		return 0;
 	}
 
-	cnss_bus_dev_powerup(plat_priv);
+	ret = cnss_bus_dev_powerup(plat_priv);
+	if (ret)
+		clear_bit(CNSS_DRIVER_RECOVERY, &plat_priv->driver_state);
 
 	return 0;
 }

cnss2/pci.c

@@ -782,6 +782,9 @@ static struct cnss_print_optimize print_optimize;
 static int cnss_pci_update_fw_name(struct cnss_pci_data *pci_priv);
 static void cnss_pci_suspend_pwroff(struct pci_dev *pci_dev);
 static bool cnss_should_suspend_pwroff(struct pci_dev *pci_dev);
+static void cnss_pci_update_link_event(struct cnss_pci_data *pci_priv,
+				       enum cnss_bus_event_type type,
+				       void *data);
 
 
 #if IS_ENABLED(CONFIG_MHI_BUS_MISC)
@@ -1463,6 +1466,8 @@ int cnss_resume_pci_link(struct cnss_pci_data *pci_priv)
 	ret = cnss_set_pci_link(pci_priv, PCI_LINK_UP);
 	if (ret) {
 		ret = -EAGAIN;
+		cnss_pci_update_link_event(pci_priv,
+					   BUS_EVENT_PCI_LINK_RESUME_FAIL, NULL);
 		goto out;
 	}
 

inc/cnss2.h

@@ -209,6 +209,7 @@ enum cnss_host_dump_type {
 
 enum cnss_bus_event_type {
 	BUS_EVENT_PCI_LINK_DOWN = 0,
+	BUS_EVENT_PCI_LINK_RESUME_FAIL = 1,
 
 	BUS_EVENT_INVALID = 0xFFFF,
 };