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Date:   Wed, 15 Jan 2020 13:55:01 +0000
From:   Jérôme Pouiller <Jerome.Pouiller@...abs.com>
To:     "devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
        "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kalle Valo <kvalo@...eaurora.org>,
        "David S . Miller" <davem@...emloft.net>,
        Jérôme Pouiller <Jerome.Pouiller@...abs.com>
Subject: [PATCH v2 40/65] staging: wfx: update power-save per interface

From: Jérôme Pouiller <jerome.pouiller@...abs.com>

mac80211 and the device are both able to control power-save per vif.
But, the current code retrieve power-save from wfx_config(). So, it does
not allow to setup power-save independently for each vif. Driver just
has to rely on wfx_bss_info_changed() instead of wfx_config().

wfx_config() has nothing to do anymore, but we keep it since it is
mandatory for mac80211.

Signed-off-by: Jérôme Pouiller <jerome.pouiller@...abs.com>
---
 drivers/staging/wfx/main.c |  2 +-
 drivers/staging/wfx/sta.c  | 17 +++++------------
 2 files changed, 6 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/wfx/main.c b/drivers/staging/wfx/main.c
index 1904890c03fe..84adad64fc30 100644
--- a/drivers/staging/wfx/main.c
+++ b/drivers/staging/wfx/main.c
@@ -131,7 +131,7 @@ static const struct ieee80211_ops wfx_ops = {
 	.stop			= wfx_stop,
 	.add_interface		= wfx_add_interface,
 	.remove_interface	= wfx_remove_interface,
-	.config			= wfx_config,
+	.config                 = wfx_config,
 	.tx			= wfx_tx,
 	.conf_tx		= wfx_conf_tx,
 	.hw_scan		= wfx_hw_scan,
diff --git a/drivers/staging/wfx/sta.c b/drivers/staging/wfx/sta.c
index 0c3150a94c7c..94683a1440c8 100644
--- a/drivers/staging/wfx/sta.c
+++ b/drivers/staging/wfx/sta.c
@@ -826,6 +826,10 @@ void wfx_bss_info_changed(struct ieee80211_hw *hw,
 
 	if (changed & BSS_CHANGED_TXPOWER)
 		hif_set_output_power(wvif, info->txpower);
+
+	if (changed & BSS_CHANGED_PS)
+		wfx_update_pm(wvif);
+
 	mutex_unlock(&wdev->conf_mutex);
 
 	if (do_join)
@@ -1058,18 +1062,7 @@ void wfx_unassign_vif_chanctx(struct ieee80211_hw *hw,
 
 int wfx_config(struct ieee80211_hw *hw, u32 changed)
 {
-	int ret = 0;
-	struct wfx_dev *wdev = hw->priv;
-	struct wfx_vif *wvif;
-
-	if (changed & IEEE80211_CONF_CHANGE_PS) {
-		mutex_lock(&wdev->conf_mutex);
-		wvif = NULL;
-		while ((wvif = wvif_iterate(wdev, wvif)) != NULL)
-			ret = wfx_update_pm(wvif);
-		mutex_unlock(&wdev->conf_mutex);
-	}
-	return ret;
+	return 0;
 }
 
 int wfx_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
-- 
2.25.0

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