staging: wfx: drop useless argument from wfx_set_pm()

Argument to wfx_set_pm() is always wvif->powersave_mode. So, we can
simplify it.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20191217161318.31402-33-Jerome.Pouiller@silabs.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wfx/sta.c

@@ -326,12 +326,10 @@ void wfx_configure_filter(struct ieee80211_hw *hw,
 	}
 }
 
-static int wfx_set_pm(struct wfx_vif *wvif,
-		      const struct hif_req_set_pm_mode *arg)
+static int wfx_update_pm(struct wfx_vif *wvif)
 {
-	struct hif_req_set_pm_mode pm = *arg;
+	struct hif_req_set_pm_mode pm = wvif->powersave_mode;
 	u16 uapsd_flags;
-	int ret;
 
 	if (wvif->state != WFX_STATE_STA || !wvif->bss_params.aid)
 		return 0;
@@ -390,7 +388,7 @@ int wfx_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			if (!ret && wvif->setbssparams_done &&
 			    wvif->state == WFX_STATE_STA &&
 			    old_uapsd_flags != new_uapsd_flags)
-				ret = wfx_set_pm(wvif, &wvif->powersave_mode);
+				ret = wfx_update_pm(wvif);
 		}
 	} else {
 		ret = -EINVAL;
@@ -1014,7 +1012,7 @@ static void wfx_join_finalize(struct wfx_vif *wvif,
 		hif_set_bss_params(wvif, &wvif->bss_params);
 		wvif->setbssparams_done = true;
 		wfx_set_beacon_wakeup_period_work(&wvif->set_beacon_wakeup_period_work);
-		wfx_set_pm(wvif, &wvif->powersave_mode);
+		wfx_update_pm(wvif);
 	}
 }
 
@@ -1451,7 +1449,7 @@ int wfx_config(struct ieee80211_hw *hw, u32 changed)
 				}
 			}
 			if (wvif->state == WFX_STATE_STA && wvif->bss_params.aid)
-				wfx_set_pm(wvif, &wvif->powersave_mode);
+				wfx_update_pm(wvif);
 		}
 		wvif = wdev_to_wvif(wdev, 0);
 	}
@@ -1591,7 +1589,7 @@ int wfx_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 		else
 			hif_set_block_ack_policy(wvif, 0x00, 0x00);
 		// Combo force powersave mode. We can re-enable it now
-		wfx_set_pm(wvif, &wvif->powersave_mode);
+		wfx_update_pm(wvif);
 	}
 	return 0;
 }
@@ -1666,7 +1664,7 @@ void wfx_remove_interface(struct ieee80211_hw *hw,
 		else
 			hif_set_block_ack_policy(wvif, 0x00, 0x00);
 		// Combo force powersave mode. We can re-enable it now
-		wfx_set_pm(wvif, &wvif->powersave_mode);
+		wfx_update_pm(wvif);
 	}
 }