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usb clock update

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This commit is contained in:
yangkai
2012-09-05 18:16:52 +08:00
parent afdaaa54c2
commit 0a48052022
1 changed files with 12 additions and 8 deletions
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20
drivers/usb/dwc_otg/dwc_otg_pcd.c
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@@ -1778,7 +1778,7 @@ static void dwc_otg_pcd_check_vbus_timer( unsigned long data )
_pcd->vbus_status = 1;
if(_pcd->conn_en)
goto connect;
else{
else if( pldata->phy_status == USB_PHY_ENABLED ){
// not connect, suspend phy
pldata->phy_suspend(pldata, USB_PHY_SUSPEND);
udelay(3);
@@ -1797,9 +1797,11 @@ static void dwc_otg_pcd_check_vbus_timer( unsigned long data )
_pcd->vbus_status = 2;
// not connect, suspend phy
pldata->phy_suspend(pldata, USB_PHY_SUSPEND);
udelay(3);
pldata->clock_enable( pldata, 0);
if( pldata->phy_status == USB_PHY_ENABLED ){
pldata->phy_suspend(pldata, USB_PHY_SUSPEND);
udelay(3);
pldata->clock_enable( pldata, 0);
}
}
}else {
_pcd->vbus_status = 0;
@@ -1807,7 +1809,7 @@ static void dwc_otg_pcd_check_vbus_timer( unsigned long data )
_pcd->conn_status = 0;
dwc_otg_msc_unlock(_pcd);
}
else if( pldata->phy_status == 0 ){
else if( pldata->phy_status == USB_PHY_ENABLED ){
/* no vbus detect here , close usb phy */
pldata->phy_suspend(pldata, USB_PHY_SUSPEND);
udelay(3);
@@ -1821,8 +1823,10 @@ static void dwc_otg_pcd_check_vbus_timer( unsigned long data )
connect:
if(_pcd->conn_status==0)
dwc_otg_msc_lock(_pcd);
pldata->clock_enable( pldata, 1);
pldata->phy_suspend(pldata, USB_PHY_ENABLED);
if( pldata->phy_status){
pldata->clock_enable( pldata, 1);
pldata->phy_suspend(pldata, USB_PHY_ENABLED);
}
schedule_delayed_work( &_pcd->reconnect , 8 ); /* delay 1 jiffies */
_pcd->check_vbus_timer.expires = jiffies + (HZ<<1); /* 1 s */
add_timer(&_pcd->check_vbus_timer);
@@ -1968,7 +1972,7 @@ int dwc_otg_pcd_init(struct device *dev)
pcd->vbus_status = 0;
pcd->phy_suspend = 0;
if(dwc_otg_is_device_mode(core_if))
mod_timer(&pcd->check_vbus_timer, jiffies+(HZ<<2)); // delay 16 S
mod_timer(&pcd->check_vbus_timer, jiffies+(HZ<<4)); // delay 16 S
return 0;
}
/**