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Merge branch 'r8152-net'

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Hayes Wang says:

====================
r8152: patches for autosuspend

There are unexpected processes when enabling autosuspend.
These patches are used to fix them.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2014-10-30 15:49:05 -04:00
commit 83810a9a6a
1 changed files with 9 additions and 5 deletions
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14
drivers/net/usb/r8152.c
View File

@ -2891,6 +2891,9 @@ static int rtl8152_open(struct net_device *netdev)
if (res)
goto out;
/* set speed to 0 to avoid autoresume try to submit rx */
tp->speed = 0;
res = usb_autopm_get_interface(tp->intf);
if (res < 0) {
free_all_mem(tp);
@ -2904,6 +2907,8 @@ static int rtl8152_open(struct net_device *netdev)
clear_bit(WORK_ENABLE, &tp->flags);
usb_kill_urb(tp->intr_urb);
cancel_delayed_work_sync(&tp->schedule);
/* disable the tx/rx, if the workqueue has enabled them. */
if (tp->speed & LINK_STATUS)
tp->rtl_ops.disable(tp);
}
@ -2955,10 +2960,7 @@ static int rtl8152_close(struct net_device *netdev)
* be disable when autoresume occurs, because the
* netif_running() would be false.
*/
if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
rtl_runtime_suspend_enable(tp, false);
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
}
rtl_runtime_suspend_enable(tp, false);
tasklet_disable(&tp->tl);
tp->rtl_ops.down(tp);
@ -3205,7 +3207,7 @@ static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
netif_device_detach(netdev);
}
if (netif_running(netdev)) {
if (netif_running(netdev) && test_bit(WORK_ENABLE, &tp->flags)) {
clear_bit(WORK_ENABLE, &tp->flags);
usb_kill_urb(tp->intr_urb);
tasklet_disable(&tp->tl);
@ -3253,6 +3255,8 @@ static int rtl8152_resume(struct usb_interface *intf)
set_bit(WORK_ENABLE, &tp->flags);
}
usb_submit_urb(tp->intr_urb, GFP_KERNEL);
} else if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) {
clear_bit(SELECTIVE_SUSPEND, &tp->flags);
}
mutex_unlock(&tp->control);