net: ipa: kill ipa_power_suspend_handler()

Now that ipa_power_suspend_handler() is a trivial wrapper around
ipa_interrupt_suspend_clear_all(), we can open-code it in the one
place it's used, and get rid of the function.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

drivers/net/ipa/ipa_interrupt.c

@@ -44,7 +44,7 @@ struct ipa_interrupt {
 };
 
 /* Clear the suspend interrupt for all endpoints that signaled it */
-void ipa_interrupt_suspend_clear_all(struct ipa_interrupt *interrupt)
+static void ipa_interrupt_suspend_clear_all(struct ipa_interrupt *interrupt)
 {
 	struct ipa *ipa = interrupt->ipa;
 	u32 unit_count;
@@ -94,7 +94,7 @@ static void ipa_interrupt_process(struct ipa_interrupt *interrupt, u32 irq_id)
 		 * caused the interrupt, so defer clearing until after
 		 * the handler has been called.
 		 */
-		ipa_power_suspend_handler(ipa, irq_id);
+		ipa_interrupt_suspend_clear_all(interrupt);
 		fallthrough;
 
 	default:	/* Silently ignore (and clear) any other condition */

drivers/net/ipa/ipa_interrupt.h

@@ -34,14 +34,6 @@ void ipa_interrupt_suspend_enable(struct ipa_interrupt *interrupt,
 void ipa_interrupt_suspend_disable(struct ipa_interrupt *interrupt,
 				   u32 endpoint_id);
 
-/**
- * ipa_interrupt_suspend_clear_all - clear all suspend interrupts
- * @interrupt:	IPA interrupt structure
- *
- * Clear the TX_SUSPEND interrupt for all endpoints that signaled it.
- */
-void ipa_interrupt_suspend_clear_all(struct ipa_interrupt *interrupt);
-
 /**
  * ipa_interrupt_simulate_suspend() - Simulate TX_SUSPEND IPA interrupt
  * @interrupt:	IPA interrupt structure

drivers/net/ipa/ipa_power.c

@@ -194,12 +194,6 @@ u32 ipa_core_clock_rate(struct ipa *ipa)
 	return ipa->power ? (u32)clk_get_rate(ipa->power->core) : 0;
 }
 
-void ipa_power_suspend_handler(struct ipa *ipa, enum ipa_irq_id irq_id)
-{
-	/* Acknowledge/clear the suspend interrupt on all endpoints */
-	ipa_interrupt_suspend_clear_all(ipa->interrupt);
-}
-
 static int ipa_power_retention_init(struct ipa_power *power)
 {
 	struct qmp *qmp = qmp_get(power->dev);

drivers/net/ipa/ipa_power.h

@@ -30,17 +30,6 @@ u32 ipa_core_clock_rate(struct ipa *ipa);
  */
 void ipa_power_retention(struct ipa *ipa, bool enable);
 
-/**
- * ipa_power_suspend_handler() - Handler for SUSPEND IPA interrupts
- * @ipa:	IPA pointer
- * @irq_id:	IPA interrupt ID (unused)
- *
- * If an RX endpoint is suspended, and the IPA has a packet destined for
- * that endpoint, the IPA generates a SUSPEND interrupt to inform the AP
- * that it should resume the endpoint.
- */
-void ipa_power_suspend_handler(struct ipa *ipa, enum ipa_irq_id irq_id);
-
 /**
  * ipa_power_setup() - Set up IPA power management
  * @ipa:	IPA pointer