iwlagn: clean up PM code

The transport callbacks might as well be undefined
when CONFIG_PM_SLEEP is not set, so ifdef all of
it out and make everything available for PM_SLEEP
only.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index de08119..ca13eeb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -1363,8 +1363,7 @@
 	kfree(trans);
 }
 
-#ifdef CONFIG_PM
-
+#ifdef CONFIG_PM_SLEEP
 static int iwl_trans_pcie_suspend(struct iwl_trans *trans)
 {
 	/*
@@ -1402,14 +1401,7 @@
 
 	return 0;
 }
-#else /* CONFIG_PM */
-static int iwl_trans_pcie_suspend(struct iwl_trans *trans)
-{ return 0; }
-
-static int iwl_trans_pcie_resume(struct iwl_trans *trans)
-{ return 0; }
-
-#endif /* CONFIG_PM */
+#endif /* CONFIG_PM_SLEEP */
 
 static void iwl_trans_pcie_wake_any_queue(struct iwl_trans *trans,
 					  enum iwl_rxon_context_id ctx)
@@ -1989,6 +1981,8 @@
 	.wait_tx_queue_empty = iwl_trans_pcie_wait_tx_queue_empty,
 	.check_stuck_queue = iwl_trans_pcie_check_stuck_queue,
 
+#ifdef CONFIG_PM_SLEEP
 	.suspend = iwl_trans_pcie_suspend,
 	.resume = iwl_trans_pcie_resume,
+#endif
 };