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-rw-r--r--drivers/usb/serial/sierra.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 68fa0e43b781..8c075b2416bb 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -912,6 +912,7 @@ static void sierra_release(struct usb_serial *serial)
}
}
+#ifdef CONFIG_PM
static void stop_read_write_urbs(struct usb_serial *serial)
{
int i, j;
@@ -988,6 +989,10 @@ static int sierra_resume(struct usb_serial *serial)
return ec ? -EIO : 0;
}
+#else
+#define sierra_suspend NULL
+#define sierra_resume NULL
+#endif
static struct usb_serial_driver sierra_device = {
.driver = {