netdev - [PATCH net-next]r8169: Serialise some operations from open close

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Message-ID: <20150714202311.GA5189@192-168-0-3.rdsnet.ro>
Date:	Tue, 14 Jul 2015 23:23:11 +0300
From:	Corcodel Marian <corcodel.marian@...il.com>
To:	netdev@...r.kernel.org
Subject: [PATCH net-next]r8169: Serialise some operations from open close

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Serialize some operations from open close function especial when write
read from main structure(struct rtl8169_private).Ensure that alls op is
executed.On slow proc this is good.
 Committer: Corcodel Marian <corcodel.marian@...il.com>

 On branch master
 Your branch is ahead of 'origin/master' by 14 commits.
   (use "git push" to publish your local commits)

 Changes to be committed:
	modified:   drivers/net/ethernet/realtek/r8169.c

Signed-off-by: Corcodel Marian <asu@...-168-0-3.rdsnet.ro>
---
 drivers/net/ethernet/realtek/r8169.c | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)


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diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 410c1ee..be67873 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -7555,11 +7555,13 @@ static int rtl8169_close(struct net_device *dev)
 
 	rtl_lock_work(tp);
 	clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
-
-	rtl8169_down(dev);
 	rtl_unlock_work(tp);
 
+	rtl8169_down(dev);
+	//rtl_unlock_work(tp);
+        rtl_lock_work(tp);
 	cancel_work_sync(&tp->wk.work);
+	rtl_unlock_work(tp);
 
 	free_irq(pdev->irq, dev);
 
@@ -7567,9 +7569,10 @@ static int rtl8169_close(struct net_device *dev)
 			  tp->RxPhyAddr);
 	dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
 			  tp->TxPhyAddr);
+	rtl_lock_work(tp);
 	tp->TxDescArray = NULL;
 	tp->RxDescArray = NULL;
-
+        rtl_unlock_work(tp);
 	pm_runtime_put_sync(&pdev->dev);
 
 	return 0;
@@ -7611,10 +7614,12 @@ static int rtl_open(struct net_device *dev)
 	if (retval < 0)
 		goto err_free_rx_1;
 
+        rtl_lock_work(tp);
 	INIT_WORK(&tp->wk.work, rtl_task);
-
+        rtl_unlock_work(tp);
 	smp_mb();
 
+        rtl_lock_work(tp);
 	rtl_request_firmware(tp);
 
 	retval = request_irq(pdev->irq, rtl8169_interrupt,
@@ -7623,7 +7628,7 @@ static int rtl_open(struct net_device *dev)
 	if (retval < 0)
 		goto err_release_fw_2;
 
-	rtl_lock_work(tp);
+	//rtl_lock_work(tp);
 
 	set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
 
@@ -7634,17 +7639,21 @@ static int rtl_open(struct net_device *dev)
        //__rtl8169_set_features(dev, dev->features);
 
 	rtl_pll_power_up(tp);
+	rtl_unlock_work(tp);
 
 	rtl_hw_start(dev);
 
 	netif_start_queue(dev);
 
-	rtl_unlock_work(tp);
-
+	rtl_lock_work(tp);
 	tp->saved_wolopts = 0;
-	pm_runtime_put_noidle(&pdev->dev);
+	rtl_unlock_work(tp);
 
+	pm_runtime_put_noidle(&pdev->dev)
+		;
+        rtl_lock_work(tp);
 	rtl8169_check_link_status(dev, tp, ioaddr);
+	rtl_unlock_work(tp);
 out:
 	return retval;
 

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