From: hayeswang <hayeswang@realtek.com>
Date: Mon, 23 Jan 2017 06:18:43 +0000 (+0800)
Subject: r8152: don't execute runtime suspend if the tx is not empty
X-Git-Tag: v4.10-rc6~8^2~28
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=6a0b76c04ec157c88ca943debf78a8ee58469f2d;p=linux.git

r8152: don't execute runtime suspend if the tx is not empty

Runtime suspend shouldn't be executed if the tx queue is not empty,
because the device is not idle.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 0e99af090734..e1466b4d2b6c 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -32,7 +32,7 @@
 #define NETNEXT_VERSION		"08"
 
 /* Information for net */
-#define NET_VERSION		"6"
+#define NET_VERSION		"7"
 
 #define DRIVER_VERSION		"v1." NETNEXT_VERSION "." NET_VERSION
 #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
@@ -3574,6 +3574,8 @@ static bool delay_autosuspend(struct r8152 *tp)
 	 */
 	if (!sw_linking && tp->rtl_ops.in_nway(tp))
 		return true;
+	else if (!skb_queue_empty(&tp->tx_queue))
+		return true;
 	else
 		return false;
 }