diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/mv_udc.c | 41 |
1 files changed, 23 insertions, 18 deletions
diff --git a/drivers/usb/gadget/mv_udc.c b/drivers/usb/gadget/mv_udc.c index 8dd776b26..6d69d6d56 100644 --- a/drivers/usb/gadget/mv_udc.c +++ b/drivers/usb/gadget/mv_udc.c @@ -118,7 +118,7 @@ static void mv_ep_free_request(struct usb_ep *ep, struct usb_request *_req) static void ep_enable(int num, int in) { struct ept_queue_head *head; - struct mv_udc *udc = controller.udc; + struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor; unsigned n; head = epts + 2*num + in; @@ -154,7 +154,7 @@ static int mv_ep_queue(struct usb_ep *ep, struct usb_request *req, gfp_t gfp_flags) { struct mv_ep *mv_ep = container_of(ep, struct mv_ep, ep); - struct mv_udc *udc = controller.udc; + struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor; struct ept_queue_item *item; struct ept_queue_head *head; unsigned phys; @@ -220,7 +220,7 @@ static void handle_ep_complete(struct mv_ep *ep) static void handle_setup(void) { struct usb_request *req = &controller.ep[0].req; - struct mv_udc *udc = controller.udc; + struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor; struct ept_queue_head *head; struct usb_ctrlrequest r; int status = 0; @@ -293,7 +293,7 @@ static void stop_activity(void) { int i, num, in; struct ept_queue_head *head; - struct mv_udc *udc = controller.udc; + struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor; writel(readl(&udc->epcomp), &udc->epcomp); writel(readl(&udc->epstat), &udc->epstat); writel(0xffffffff, &udc->epflush); @@ -315,7 +315,7 @@ static void stop_activity(void) void udc_irq(void) { - struct mv_udc *udc = controller.udc; + struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor; unsigned n = readl(&udc->usbsts); writel(n, &udc->usbsts); int bit, i, num, in; @@ -373,7 +373,7 @@ void udc_irq(void) int usb_gadget_handle_interrupts(void) { u32 value; - struct mv_udc *udc = controller.udc; + struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor; value = readl(&udc->usbsts); if (value) @@ -384,7 +384,7 @@ int usb_gadget_handle_interrupts(void) static int mv_pullup(struct usb_gadget *gadget, int is_on) { - struct mv_udc *udc = controller.udc; + struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor; if (is_on) { /* RESET */ writel(USBCMD_ITC(MICRO_8FRAME) | USBCMD_RST, &udc->usbcmd); @@ -412,7 +412,7 @@ static int mv_pullup(struct usb_gadget *gadget, int is_on) void udc_disconnect(void) { - struct mv_udc *udc = controller.udc; + struct mv_udc *udc = (struct mv_udc *)controller.ctrl->hcor; /* disable pullup */ stop_activity(); writel(USBCMD_FS2, &udc->usbcmd); @@ -427,7 +427,6 @@ static int mvudc_probe(void) int i; controller.gadget.ops = &mv_udc_ops; - controller.udc = (struct mv_udc *)CONFIG_USB_REG_BASE; epts = memalign(PAGE_SIZE, QH_MAXNUM * sizeof(struct ept_queue_head)); memset(epts, 0, QH_MAXNUM * sizeof(struct ept_queue_head)); for (i = 0; i < 2 * NUM_ENDPOINTS; i++) { @@ -469,9 +468,8 @@ static int mvudc_probe(void) int usb_gadget_register_driver(struct usb_gadget_driver *driver) { - struct mv_udc *udc = controller.udc; - int retval; - void *ctrl; + struct mv_udc *udc; + int ret; if (!driver || driver->speed < USB_SPEED_FULL @@ -481,15 +479,22 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver) return -EINVAL; } - if (!mvudc_probe()) { - usb_lowlevel_init(0, &ctrl); + ret = usb_lowlevel_init(0, (void **)&controller.ctrl); + if (ret) + return ret; + + ret = mvudc_probe(); + if (!ret) { + udc = (struct mv_udc *)controller.ctrl->hcor; + /* select ULPI phy */ writel(PTS(PTS_ENABLE) | PFSC, &udc->portsc); } - retval = driver->bind(&controller.gadget); - if (retval) { - DBG("driver->bind() returned %d\n", retval); - return retval; + + ret = driver->bind(&controller.gadget); + if (ret) { + DBG("driver->bind() returned %d\n", ret); + return ret; } controller.driver = driver; |