net: ipa: kill ipa_clock_get_additional()

Now that ipa_clock_get_additional() is a trivial wrapper around
pm_runtime_get_if_active(), just open-code it in its only caller
and delete the function.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ipa/ipa_clock.c

@@ -264,15 +264,6 @@ static int ipa_runtime_idle(struct device *dev)
 	return -EAGAIN;
 }
 
-/* Get an IPA clock reference, but only if the reference count is
- * already non-zero.  Returns true if the additional reference was
- * added successfully, or false otherwise.
- */
-bool ipa_clock_get_additional(struct ipa *ipa)
-{
-	return pm_runtime_get_if_active(&ipa->pdev->dev, true) > 0;
-}
-
 /* Get an IPA clock reference.  If the reference count is non-zero, it is
  * incremented and return is immediate.  Otherwise the IPA clock is
  * enabled.

drivers/net/ipa/ipa_clock.h

@@ -62,16 +62,6 @@ void ipa_clock_exit(struct ipa_clock *clock);
  */
 int ipa_clock_get(struct ipa *ipa);
 
-/**
- * ipa_clock_get_additional() - Get an IPA clock reference if not first
- * @ipa:	IPA pointer
- *
- * Return:	true if reference taken, false otherwise
- *
- * This returns immediately, and only takes a reference if not the first
- */
-bool ipa_clock_get_additional(struct ipa *ipa);
-
 /**
  * ipa_clock_put() - Drop an IPA clock reference
  * @ipa:	IPA pointer

drivers/net/ipa/ipa_smp2p.c

@@ -9,6 +9,7 @@
 #include <linux/interrupt.h>
 #include <linux/notifier.h>
 #include <linux/panic_notifier.h>
+#include <linux/pm_runtime.h>
 #include <linux/soc/qcom/smem.h>
 #include <linux/soc/qcom/smem_state.h>
 
@@ -84,13 +85,15 @@ struct ipa_smp2p {
  */
 static void ipa_smp2p_notify(struct ipa_smp2p *smp2p)
 {
+	struct device *dev;
 	u32 value;
 	u32 mask;
 
 	if (smp2p->notified)
 		return;
 
-	smp2p->clock_on = ipa_clock_get_additional(smp2p->ipa);
+	dev = &smp2p->ipa->pdev->dev;
+	smp2p->clock_on = pm_runtime_get_if_active(dev, true) > 0;
 
 	/* Signal whether the clock is enabled */
 	mask = BIT(smp2p->enabled_bit);