qcacmn: fix WOW wake up in suspend/resume for Moselle

Fix WOW wake up interrupt from WLAN FW, in system
suspend/resume for Moselle platform.

Change-Id: I5f71c65e0aa1eeef8225f3fcfae5410233df8b78
CRs-Fixed: 2724142

hif/inc/hif.h

@@ -1161,6 +1161,28 @@ int hif_apps_wake_irq_enable(struct hif_opaque_softc *hif_ctx);
  */
 int hif_apps_wake_irq_disable(struct hif_opaque_softc *hif_ctx);
 
+/**
+ * hif_apps_enable_irq_wake() - Enables the irq wake from the APPS side
+ * @hif_ctx: an opaque HIF handle to use
+ *
+ * This function always applies to the APPS side kernel interrupt handling
+ * to wake the system from suspend.
+ *
+ * Return: errno
+ */
+int hif_apps_enable_irq_wake(struct hif_opaque_softc *hif_ctx);
+
+/**
+ * hif_apps_disable_irq_wake() - Disables the wake irq from the APPS side
+ * @hif_ctx: an opaque HIF handle to use
+ *
+ * This function always applies to the APPS side kernel interrupt handling
+ * to disable the wake irq.
+ *
+ * Return: errno
+ */
+int hif_apps_disable_irq_wake(struct hif_opaque_softc *hif_ctx);
+
 #ifdef FEATURE_RUNTIME_PM
 int hif_pre_runtime_suspend(struct hif_opaque_softc *hif_ctx);
 void hif_pre_runtime_resume(struct hif_opaque_softc *hif_ctx);

hif/src/dispatcher/multibus.c

@@ -530,6 +530,30 @@ int hif_apps_wake_irq_enable(struct hif_opaque_softc *hif_ctx)
 	return 0;
 }
 
+int hif_apps_disable_irq_wake(struct hif_opaque_softc *hif_ctx)
+{
+	struct hif_softc *scn;
+
+	QDF_BUG(hif_ctx);
+	scn = HIF_GET_SOFTC(hif_ctx);
+	if (!scn)
+		return -EINVAL;
+
+	return disable_irq_wake(scn->wake_irq);
+}
+
+int hif_apps_enable_irq_wake(struct hif_opaque_softc *hif_ctx)
+{
+	struct hif_softc *scn;
+
+	QDF_BUG(hif_ctx);
+	scn = HIF_GET_SOFTC(hif_ctx);
+	if (!scn)
+		return -EINVAL;
+
+	return enable_irq_wake(scn->wake_irq);
+}
+
 #ifdef WLAN_FEATURE_BMI
 bool hif_needs_bmi(struct hif_opaque_softc *scn)
 {

hif/src/ipcie/if_ipci.c

@@ -289,39 +289,27 @@ void hif_ipci_prevent_linkdown(struct hif_softc *scn, bool flag)
 
 int hif_ipci_bus_suspend(struct hif_softc *scn)
 {
-	QDF_STATUS ret;
+	return hif_apps_enable_irq_wake(GET_HIF_OPAQUE_HDL(scn));
-
-	hif_apps_irqs_disable(GET_HIF_OPAQUE_HDL(scn));
-
-	ret = hif_try_complete_tasks(scn);
-	if (QDF_IS_STATUS_ERROR(ret)) {
-		hif_apps_irqs_enable(GET_HIF_OPAQUE_HDL(scn));
-		return -EBUSY;
-	}
-
-	return 0;
 }
 
 int hif_ipci_bus_resume(struct hif_softc *scn)
 {
-	hif_apps_irqs_enable(GET_HIF_OPAQUE_HDL(scn));
+	return hif_apps_disable_irq_wake(GET_HIF_OPAQUE_HDL(scn));
-
-	return 0;
 }
 
 int hif_ipci_bus_suspend_noirq(struct hif_softc *scn)
 {
-	if (hif_can_suspend_link(GET_HIF_OPAQUE_HDL(scn)))
+	QDF_STATUS ret;
-		qdf_atomic_set(&scn->link_suspended, 1);
+
+	ret = hif_try_complete_tasks(scn);
+	if (QDF_IS_STATUS_ERROR(ret))
+		return -EBUSY;
 
 	return 0;
 }
 
 int hif_ipci_bus_resume_noirq(struct hif_softc *scn)
 {
-	if (hif_can_suspend_link(GET_HIF_OPAQUE_HDL(scn)))
-		qdf_atomic_set(&scn->link_suspended, 0);
-
 	return 0;
 }
 
@@ -440,9 +428,6 @@ static int hif_ce_msi_configure_irq(struct hif_softc *scn)
 		if (!ce_sc->tasklets[ce_id].inited)
 			continue;
 
-		if (ce_id == wake_ce_id)
-			irqflags |= IRQF_NO_SUSPEND;
-
 		ipci_sc->ce_msi_irq_num[ce_id] = irq;
 		ret = pfrm_request_irq(scn->qdf_dev->dev,
 				       irq, hif_ce_interrupt_handler,