From: gwl <gwl@rock-chips.com>
Date: Mon, 31 Mar 2014 01:47:24 +0000 (+0800)
Subject: Wifi: fix wifi disconnect when suspended. add keep-power-in-suspend to sdio cap.
X-Git-Tag: firefly_0821_release~5707
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9eb169172a8140fd6a0bc2dc79a21c4f7ce0185b;p=firefly-linux-kernel-4.4.55.git

Wifi: fix wifi disconnect when suspended. add keep-power-in-suspend to sdio cap.
---

diff --git a/arch/arm/boot/dts/rk3288-tb.dts b/arch/arm/boot/dts/rk3288-tb.dts
index 1acfe75a5f32..777321b2fc28 100755
--- a/arch/arm/boot/dts/rk3288-tb.dts
+++ b/arch/arm/boot/dts/rk3288-tb.dts
@@ -219,6 +219,7 @@
 		clock-freq-min-max = <200000 50000000>;
 		supports-highspeed;
 		supports-sdio;
+		keep-power-in-suspend;
 		//cap-sdio-irq;
 		status = "okay";
 };
diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c
index 8f28b9f798d8..ae7f1ae44fd2 100644
--- a/net/wireless/sysfs.c
+++ b/net/wireless/sysfs.c
@@ -100,8 +100,9 @@ static int wiphy_suspend(struct device *dev, pm_message_t state)
 
 	rtnl_lock();
 	if (rdev->wiphy.registered) {
-		if (!rdev->wowlan)
-			cfg80211_leave_all(rdev);
+		//modify to fix wifi disconnet when suspended.(gwl)
+		//if (!rdev->wowlan)
+		//	cfg80211_leave_all(rdev);
 		if (rdev->ops->suspend)
 			ret = rdev_suspend(rdev, rdev->wowlan);
 		if (ret == 1) {