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authorhayeswang <hayeswang@realtek.com>2014-11-05 10:17:02 +0800
committerDavid S. Miller <davem@davemloft.net>2014-11-05 22:17:10 -0500
commit93ffbeab77ca6a49e075235faa04c8b032c9fdc1 (patch)
tree98d0e0dc1a8954e5418ccd1a9a72a3ca6b5fc2ac
parent4c672e4b42bc8046d63a6eb0a2c6a450a501af32 (diff)
r8152: disable the tasklet by default
Let the tasklet only be enabled after open(), and be disabled for the other situation. The tasklet is only necessary after open() for tx/rx, so it could be disabled by default. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/usb/r8152.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 8ded08e027fb..fd41675bc038 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -2943,6 +2943,8 @@ static int rtl8152_open(struct net_device *netdev)
netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n",
res);
free_all_mem(tp);
+ } else {
+ tasklet_enable(&tp->tl);
}
mutex_unlock(&tp->control);
@@ -2958,6 +2960,7 @@ static int rtl8152_close(struct net_device *netdev)
struct r8152 *tp = netdev_priv(netdev);
int res = 0;
+ tasklet_disable(&tp->tl);
clear_bit(WORK_ENABLE, &tp->flags);
usb_kill_urb(tp->intr_urb);
cancel_delayed_work_sync(&tp->schedule);
@@ -2975,9 +2978,7 @@ static int rtl8152_close(struct net_device *netdev)
*/
rtl_runtime_suspend_enable(tp, false);
- tasklet_disable(&tp->tl);
tp->rtl_ops.down(tp);
- tasklet_enable(&tp->tl);
mutex_unlock(&tp->control);
@@ -3887,12 +3888,15 @@ static int rtl8152_probe(struct usb_interface *intf,
else
device_set_wakeup_enable(&udev->dev, false);
+ tasklet_disable(&tp->tl);
+
netif_info(tp, probe, netdev, "%s\n", DRIVER_VERSION);
return 0;
out1:
usb_set_intfdata(intf, NULL);
+ tasklet_kill(&tp->tl);
out:
free_netdev(netdev);
return ret;