net: ipa: enable IPA interrupt handlers separate from registration

Expose ipa_interrupt_enable() and have functions that register
IPA interrupt handlers enable them directly, rather than having the
registration process do that.  Do the same for disabling IPA
interrupt handlers.

Signed-off-by: Alex Elder <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>

Author: Alex Elder

drivers/net/ipa/ipa_interrupt.c

@@ -135,15 +135,15 @@ static void ipa_interrupt_enabled_update(struct ipa *ipa)
 }
 
 /* Enable an IPA interrupt type */
-static void ipa_interrupt_enable(struct ipa *ipa, enum ipa_irq_id ipa_irq)
+void ipa_interrupt_enable(struct ipa *ipa, enum ipa_irq_id ipa_irq)
 {
 	/* Update the IPA interrupt mask to enable it */
 	ipa->interrupt->enabled |= BIT(ipa_irq);
 	ipa_interrupt_enabled_update(ipa);
 }
 
 /* Disable an IPA interrupt type */
-static void ipa_interrupt_disable(struct ipa *ipa, enum ipa_irq_id ipa_irq)
+void ipa_interrupt_disable(struct ipa *ipa, enum ipa_irq_id ipa_irq)
 {
 	/* Update the IPA interrupt mask to disable it */
 	ipa->interrupt->enabled &= ~BIT(ipa_irq);
@@ -231,8 +231,6 @@ void ipa_interrupt_add(struct ipa_interrupt *interrupt,
 		return;
 
 	interrupt->handler[ipa_irq] = handler;
-
-	ipa_interrupt_enable(interrupt->ipa, ipa_irq);
 }
 
 /* Remove the handler for an IPA interrupt type */
@@ -242,8 +240,6 @@ ipa_interrupt_remove(struct ipa_interrupt *interrupt, enum ipa_irq_id ipa_irq)
 	if (WARN_ON(ipa_irq >= IPA_IRQ_COUNT))
 		return;
 
-	ipa_interrupt_disable(interrupt->ipa, ipa_irq);
-
 	interrupt->handler[ipa_irq] = NULL;
 }
 

drivers/net/ipa/ipa_interrupt.h

@@ -11,6 +11,7 @@
 
 struct ipa;
 struct ipa_interrupt;
+enum ipa_irq_id;
 
 /**
  * typedef ipa_irq_handler_t - IPA interrupt handler function type
@@ -85,6 +86,20 @@ void ipa_interrupt_suspend_clear_all(struct ipa_interrupt *interrupt);
  */
 void ipa_interrupt_simulate_suspend(struct ipa_interrupt *interrupt);
 
+/**
+ * ipa_interrupt_enable() - Enable an IPA interrupt type
+ * @ipa:	IPA pointer
+ * @ipa_irq:	IPA interrupt ID
+ */
+void ipa_interrupt_enable(struct ipa *ipa, enum ipa_irq_id ipa_irq);
+
+/**
+ * ipa_interrupt_disable() - Disable an IPA interrupt type
+ * @ipa:	IPA pointer
+ * @ipa_irq:	IPA interrupt ID
+ */
+void ipa_interrupt_disable(struct ipa *ipa, enum ipa_irq_id ipa_irq);
+
 /**
  * ipa_interrupt_config() - Configure the IPA interrupt framework
  * @ipa:	IPA pointer

drivers/net/ipa/ipa_power.c

@@ -337,17 +337,21 @@ int ipa_power_setup(struct ipa *ipa)
 
 	ipa_interrupt_add(ipa->interrupt, IPA_IRQ_TX_SUSPEND,
 			  ipa_suspend_handler);
+	ipa_interrupt_enable(ipa, IPA_IRQ_TX_SUSPEND);
 
 	ret = device_init_wakeup(&ipa->pdev->dev, true);
-	if (ret)
+	if (ret) {
+		ipa_interrupt_disable(ipa, IPA_IRQ_TX_SUSPEND);
 		ipa_interrupt_remove(ipa->interrupt, IPA_IRQ_TX_SUSPEND);
+	}
 
 	return ret;
 }
 
 void ipa_power_teardown(struct ipa *ipa)
 {
 	(void)device_init_wakeup(&ipa->pdev->dev, false);
+	ipa_interrupt_disable(ipa, IPA_IRQ_TX_SUSPEND);
 	ipa_interrupt_remove(ipa->interrupt, IPA_IRQ_TX_SUSPEND);
 }
 

drivers/net/ipa/ipa_uc.c

@@ -187,15 +187,19 @@ void ipa_uc_config(struct ipa *ipa)
 	ipa->uc_powered = false;
 	ipa->uc_loaded = false;
 	ipa_interrupt_add(interrupt, IPA_IRQ_UC_0, ipa_uc_interrupt_handler);
+	ipa_interrupt_enable(ipa, IPA_IRQ_UC_0);
 	ipa_interrupt_add(interrupt, IPA_IRQ_UC_1, ipa_uc_interrupt_handler);
+	ipa_interrupt_enable(ipa, IPA_IRQ_UC_1);
 }
 
 /* Inverse of ipa_uc_config() */
 void ipa_uc_deconfig(struct ipa *ipa)
 {
 	struct device *dev = &ipa->pdev->dev;
 
+	ipa_interrupt_disable(ipa, IPA_IRQ_UC_1);
 	ipa_interrupt_remove(ipa->interrupt, IPA_IRQ_UC_1);
+	ipa_interrupt_disable(ipa, IPA_IRQ_UC_0);
 	ipa_interrupt_remove(ipa->interrupt, IPA_IRQ_UC_0);
 	if (ipa->uc_loaded)
 		ipa_power_retention(ipa, false);