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[net-next,3/5] r8169: move task enable boolean to bitfield.

Message ID 20120131135642.GC18167@electric-eye.fr.zoreil.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Francois Romieu Jan. 31, 2012, 1:56 p.m. UTC 
Simpler, more consistent, with negligible cost in non-critical paths.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Suggested-by: Michał Mirosław <mirqus@gmail.com>
Cc: Hayes Wang <hayeswang@realtek.com>
---
 drivers/net/ethernet/realtek/r8169.c |   13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)
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Patch

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 118f6f6..679711e 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -668,6 +668,7 @@  struct rtl8169_counters {
 };
 
 enum rtl_flag {
+	RTL_FLAG_TASK_ENABLED,
 	RTL_FLAG_TASK_SLOW_PENDING,
 	RTL_FLAG_TASK_RESET_PENDING,
 	RTL_FLAG_TASK_PHY_PENDING,
@@ -725,7 +726,6 @@  struct rtl8169_private {
 		DECLARE_BITMAP(flags, RTL_FLAG_MAX);
 		struct mutex mutex;
 		struct work_struct work;
-		bool enabled;
 	} wk;
 
 	unsigned features;
@@ -4352,7 +4352,7 @@  static int rtl8169_open(struct net_device *dev)
 
 	rtl_lock_work(tp);
 
-	tp->wk.enabled = true;
+	set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
 
 	napi_enable(&tp->napi);
 
@@ -5879,7 +5879,8 @@  static void rtl_task(struct work_struct *work)
 
 	rtl_lock_work(tp);
 
-	if (!netif_running(dev) || !tp->wk.enabled)
+	if (!netif_running(dev) ||
+	    !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags))
 		goto out_unlock;
 
 	for (i = 0; i < ARRAY_SIZE(rtl_work); i++) {
@@ -5977,7 +5978,7 @@  static int rtl8169_close(struct net_device *dev)
 	rtl8169_update_counters(dev);
 
 	rtl_lock_work(tp);
-	tp->wk.enabled = false;
+	clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
 
 	rtl8169_down(dev);
 	rtl_unlock_work(tp);
@@ -6076,7 +6077,7 @@  static void rtl8169_net_suspend(struct net_device *dev)
 
 	rtl_lock_work(tp);
 	napi_disable(&tp->napi);
-	tp->wk.enabled = false;
+	clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
 	rtl_unlock_work(tp);
 
 	rtl_pll_power_down(tp);
@@ -6102,7 +6103,7 @@  static void __rtl8169_resume(struct net_device *dev)
 
 	rtl_pll_power_up(tp);
 
-	tp->wk.enabled = true;
+	set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
 
 	rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
 }