Commit e501139a authored by hayeswang's avatar hayeswang Committed by David S. Miller

r8152: add pre_reset and post_reset

Add rtl8152_pre_reset() and rtl8152_post_reset() which are used when
calling usb_reset_device(). The two functions could reduce the time
of reset when calling usb_reset_device() after probe().
Signed-off-by: default avatarHayes Wang <hayeswang@realtek.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 15f1bb1f
...@@ -3342,6 +3342,58 @@ static void r8153_init(struct r8152 *tp) ...@@ -3342,6 +3342,58 @@ static void r8153_init(struct r8152 *tp)
r8153_u2p3en(tp, true); r8153_u2p3en(tp, true);
} }
static int rtl8152_pre_reset(struct usb_interface *intf)
{
struct r8152 *tp = usb_get_intfdata(intf);
struct net_device *netdev;
if (!tp)
return 0;
netdev = tp->netdev;
if (!netif_running(netdev))
return 0;
napi_disable(&tp->napi);
clear_bit(WORK_ENABLE, &tp->flags);
usb_kill_urb(tp->intr_urb);
cancel_delayed_work_sync(&tp->schedule);
if (netif_carrier_ok(netdev)) {
netif_stop_queue(netdev);
mutex_lock(&tp->control);
tp->rtl_ops.disable(tp);
mutex_unlock(&tp->control);
}
return 0;
}
static int rtl8152_post_reset(struct usb_interface *intf)
{
struct r8152 *tp = usb_get_intfdata(intf);
struct net_device *netdev;
if (!tp)
return 0;
netdev = tp->netdev;
if (!netif_running(netdev))
return 0;
set_bit(WORK_ENABLE, &tp->flags);
if (netif_carrier_ok(netdev)) {
mutex_lock(&tp->control);
tp->rtl_ops.enable(tp);
rtl8152_set_rx_mode(netdev);
mutex_unlock(&tp->control);
netif_wake_queue(netdev);
}
napi_enable(&tp->napi);
return 0;
}
static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message) static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message)
{ {
struct r8152 *tp = usb_get_intfdata(intf); struct r8152 *tp = usb_get_intfdata(intf);
...@@ -4164,6 +4216,8 @@ static struct usb_driver rtl8152_driver = { ...@@ -4164,6 +4216,8 @@ static struct usb_driver rtl8152_driver = {
.suspend = rtl8152_suspend, .suspend = rtl8152_suspend,
.resume = rtl8152_resume, .resume = rtl8152_resume,
.reset_resume = rtl8152_resume, .reset_resume = rtl8152_resume,
.pre_reset = rtl8152_pre_reset,
.post_reset = rtl8152_post_reset,
.supports_autosuspend = 1, .supports_autosuspend = 1,
.disable_hub_initiated_lpm = 1, .disable_hub_initiated_lpm = 1,
}; };
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment