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path: root/drivers/usb/musb/musb_gadget.c
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Diffstat (limited to 'drivers/usb/musb/musb_gadget.c')
-rw-r--r--drivers/usb/musb/musb_gadget.c38
1 files changed, 18 insertions, 20 deletions
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index bc197b28ac4..8dfad1189da 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1406,7 +1406,7 @@ static int musb_gadget_wakeup(struct usb_gadget *gadget)
spin_lock_irqsave(&musb->lock, flags);
- switch (musb->xceiv.state) {
+ switch (musb->xceiv->state) {
case OTG_STATE_B_PERIPHERAL:
/* NOTE: OTG state machine doesn't include B_SUSPENDED;
* that's part of the standard usb 1.1 state machine, and
@@ -1508,9 +1508,9 @@ static int musb_gadget_vbus_draw(struct usb_gadget *gadget, unsigned mA)
{
struct musb *musb = gadget_to_musb(gadget);
- if (!musb->xceiv.set_power)
+ if (!musb->xceiv->set_power)
return -EOPNOTSUPP;
- return otg_set_power(&musb->xceiv, mA);
+ return otg_set_power(musb->xceiv, mA);
}
static int musb_gadget_pullup(struct usb_gadget *gadget, int is_on)
@@ -1733,11 +1733,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
spin_lock_irqsave(&musb->lock, flags);
- /* REVISIT always use otg_set_peripheral(), handling
- * issues including the root hub one below ...
- */
- musb->xceiv.gadget = &musb->g;
- musb->xceiv.state = OTG_STATE_B_IDLE;
+ otg_set_peripheral(musb->xceiv, &musb->g);
musb->is_active = 1;
/* FIXME this ignores the softconnect flag. Drivers are
@@ -1749,6 +1745,8 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
if (!is_otg_enabled(musb))
musb_start(musb);
+ otg_set_peripheral(musb->xceiv, &musb->g);
+
spin_unlock_irqrestore(&musb->lock, flags);
if (is_otg_enabled(musb)) {
@@ -1762,8 +1760,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
if (retval < 0) {
DBG(1, "add_hcd failed, %d\n", retval);
spin_lock_irqsave(&musb->lock, flags);
- musb->xceiv.gadget = NULL;
- musb->xceiv.state = OTG_STATE_UNDEFINED;
+ otg_set_peripheral(musb->xceiv, NULL);
musb->gadget_driver = NULL;
musb->g.dev.driver = NULL;
spin_unlock_irqrestore(&musb->lock, flags);
@@ -1846,8 +1843,9 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
(void) musb_gadget_vbus_draw(&musb->g, 0);
- musb->xceiv.state = OTG_STATE_UNDEFINED;
+ musb->xceiv->state = OTG_STATE_UNDEFINED;
stop_activity(musb, driver);
+ otg_set_peripheral(musb->xceiv, NULL);
DBG(3, "unregistering driver %s\n", driver->function);
spin_unlock_irqrestore(&musb->lock, flags);
@@ -1883,7 +1881,7 @@ EXPORT_SYMBOL(usb_gadget_unregister_driver);
void musb_g_resume(struct musb *musb)
{
musb->is_suspended = 0;
- switch (musb->xceiv.state) {
+ switch (musb->xceiv->state) {
case OTG_STATE_B_IDLE:
break;
case OTG_STATE_B_WAIT_ACON:
@@ -1909,10 +1907,10 @@ void musb_g_suspend(struct musb *musb)
devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
DBG(3, "devctl %02x\n", devctl);
- switch (musb->xceiv.state) {
+ switch (musb->xceiv->state) {
case OTG_STATE_B_IDLE:
if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS)
- musb->xceiv.state = OTG_STATE_B_PERIPHERAL;
+ musb->xceiv->state = OTG_STATE_B_PERIPHERAL;
break;
case OTG_STATE_B_PERIPHERAL:
musb->is_suspended = 1;
@@ -1958,22 +1956,22 @@ void musb_g_disconnect(struct musb *musb)
spin_lock(&musb->lock);
}
- switch (musb->xceiv.state) {
+ switch (musb->xceiv->state) {
default:
#ifdef CONFIG_USB_MUSB_OTG
DBG(2, "Unhandled disconnect %s, setting a_idle\n",
otg_state_string(musb));
- musb->xceiv.state = OTG_STATE_A_IDLE;
+ musb->xceiv->state = OTG_STATE_A_IDLE;
break;
case OTG_STATE_A_PERIPHERAL:
- musb->xceiv.state = OTG_STATE_A_WAIT_VFALL;
+ musb->xceiv->state = OTG_STATE_A_WAIT_VFALL;
break;
case OTG_STATE_B_WAIT_ACON:
case OTG_STATE_B_HOST:
#endif
case OTG_STATE_B_PERIPHERAL:
case OTG_STATE_B_IDLE:
- musb->xceiv.state = OTG_STATE_B_IDLE;
+ musb->xceiv->state = OTG_STATE_B_IDLE;
break;
case OTG_STATE_B_SRP_INIT:
break;
@@ -2029,10 +2027,10 @@ __acquires(musb->lock)
* or else after HNP, as A-Device
*/
if (devctl & MUSB_DEVCTL_BDEVICE) {
- musb->xceiv.state = OTG_STATE_B_PERIPHERAL;
+ musb->xceiv->state = OTG_STATE_B_PERIPHERAL;
musb->g.is_a_peripheral = 0;
} else if (is_otg_enabled(musb)) {
- musb->xceiv.state = OTG_STATE_A_PERIPHERAL;
+ musb->xceiv->state = OTG_STATE_A_PERIPHERAL;
musb->g.is_a_peripheral = 1;
} else
WARN_ON(1);