Compiling with !CONFIG_PM generates an unused function warning on
unlink_empty_async_suspended().
Enclose the function and its forward declaration in a #ifdef CONFIG_PM
Signed-off-by: Tony Prisk <linux@xxxxxxxxxxxxxxx>
---
drivers/usb/host/ehci-q.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 23d1369..3638b28 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -1316,6 +1316,7 @@ static void unlink_empty_async(struct ehci_hcd *ehci)
}
}
+#ifdef CONFIG_PM
/* The root hub is suspended; unlink all the async QHs */
static void unlink_empty_async_suspended(struct ehci_hcd *ehci)
{
@@ -1328,7 +1329,7 @@ static void unlink_empty_async_suspended(struct ehci_hcd *ehci)
}
start_iaa_cycle(ehci, false);
}
-
+#endif
/* makes sure the async qh will become idle */
/* caller must own ehci->lock */
--
1.7.9.5
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