From: Ido Shayevitz Date: Mon, 12 Mar 2012 18:25:32 +0000 (+0200) Subject: usb: gadget: Update langwell_udc to use usb_endpoint_descriptor inside the struct... X-Git-Tag: firefly_0821_release~3680^2~2827^2~139^2~43 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a1976f750bafb85a0ae69860178b99d1f364a479;p=firefly-linux-kernel-4.4.55.git usb: gadget: Update langwell_udc to use usb_endpoint_descriptor inside the struct usb_ep Remove redundant pointer to struct usb_endpoint_descriptor. Signed-off-by: Ido Shayevitz Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/gadget/langwell_udc.c b/drivers/usb/gadget/langwell_udc.c index 130811258d22..e119519cdaf4 100644 --- a/drivers/usb/gadget/langwell_udc.c +++ b/drivers/usb/gadget/langwell_udc.c @@ -154,7 +154,7 @@ static inline void print_all_registers(struct langwell_udc *dev) /*-------------------------------------------------------------------------*/ #define is_in(ep) (((ep)->ep_num == 0) ? ((ep)->dev->ep0_dir == \ - USB_DIR_IN) : (usb_endpoint_dir_in((ep)->desc))) + USB_DIR_IN) : (usb_endpoint_dir_in((ep)->ep.desc))) #define DIR_STRING(ep) (is_in(ep) ? "in" : "out") @@ -257,7 +257,7 @@ static int langwell_ep_enable(struct usb_ep *_ep, dev = ep->dev; dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - if (!_ep || !desc || ep->desc + if (!_ep || !desc || ep->ep.desc || desc->bDescriptorType != USB_DT_ENDPOINT) return -EINVAL; @@ -337,7 +337,7 @@ static int langwell_ep_enable(struct usb_ep *_ep, spin_lock_irqsave(&dev->lock, flags); ep->ep.maxpacket = max; - ep->desc = desc; + ep->ep.desc = desc; ep->stopped = 0; ep->ep_num = usb_endpoint_num(desc); @@ -432,7 +432,7 @@ static void nuke(struct langwell_ep *ep, int status) ep->stopped = 1; /* endpoint fifo flush */ - if (&ep->ep && ep->desc) + if (&ep->ep && ep->ep.desc) langwell_ep_fifo_flush(&ep->ep); while (!list_empty(&ep->queue)) { @@ -459,7 +459,7 @@ static int langwell_ep_disable(struct usb_ep *_ep) dev = ep->dev; dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - if (!_ep || !ep->desc) + if (!_ep || !ep->ep.desc) return -EINVAL; spin_lock_irqsave(&dev->lock, flags); @@ -476,7 +476,6 @@ static int langwell_ep_disable(struct usb_ep *_ep) /* nuke all pending requests (does flush) */ nuke(ep, -ESHUTDOWN); - ep->desc = NULL; ep->ep.desc = NULL; ep->stopped = 1; @@ -752,14 +751,14 @@ static int langwell_ep_queue(struct usb_ep *_ep, struct usb_request *_req, return -EINVAL; } - if (unlikely(!_ep || !ep->desc)) + if (unlikely(!_ep || !ep->ep.desc)) return -EINVAL; dev = ep->dev; req->ep = ep; dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - if (usb_endpoint_xfer_isoc(ep->desc)) { + if (usb_endpoint_xfer_isoc(ep->ep.desc)) { if (req->req.length > ep->ep.maxpacket) return -EMSGSIZE; is_iso = 1; @@ -822,7 +821,7 @@ static int langwell_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req) dev = ep->dev; dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - if (!_ep || !ep->desc || !_req) + if (!_ep || !ep->ep.desc || !_req) return -EINVAL; if (!dev->driver) @@ -950,13 +949,13 @@ static int langwell_ep_set_halt(struct usb_ep *_ep, int value) dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - if (!_ep || !ep->desc) + if (!_ep || !ep->ep.desc) return -EINVAL; if (!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN) return -ESHUTDOWN; - if (usb_endpoint_xfer_isoc(ep->desc)) + if (usb_endpoint_xfer_isoc(ep->ep.desc)) return -EOPNOTSUPP; spin_lock_irqsave(&dev->lock, flags); @@ -999,7 +998,7 @@ static int langwell_ep_set_wedge(struct usb_ep *_ep) dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - if (!_ep || !ep->desc) + if (!_ep || !ep->ep.desc) return -EINVAL; dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); @@ -1020,8 +1019,8 @@ static void langwell_ep_fifo_flush(struct usb_ep *_ep) dev_vdbg(&dev->pdev->dev, "---> %s()\n", __func__); - if (!_ep || !ep->desc) { - dev_vdbg(&dev->pdev->dev, "ep or ep->desc is NULL\n"); + if (!_ep || !ep->ep.desc) { + dev_vdbg(&dev->pdev->dev, "ep or ep->ep.desc is NULL\n"); dev_vdbg(&dev->pdev->dev, "<--- %s()\n", __func__); return; } @@ -1402,7 +1401,7 @@ static int eps_reinit(struct langwell_udc *dev) ep->stopped = 0; ep->ep.maxpacket = EP0_MAX_PKT_SIZE; ep->ep_num = 0; - ep->desc = &langwell_ep0_desc; + ep->ep.desc = &langwell_ep0_desc; INIT_LIST_HEAD(&ep->queue); ep->ep_type = USB_ENDPOINT_XFER_CONTROL; @@ -1737,7 +1736,7 @@ static ssize_t show_langwell_udc(struct device *_dev, } /* other gadget->eplist ep */ list_for_each_entry(ep, &dev->gadget.ep_list, ep.ep_list) { - if (ep->desc) { + if (ep->ep.desc) { t = scnprintf(next, size, "\n%s MaxPacketSize: 0x%x, " "ep_num: %d\n", @@ -2046,10 +2045,10 @@ static struct langwell_ep *get_ep_by_windex(struct langwell_udc *dev, list_for_each_entry(ep, &dev->gadget.ep_list, ep.ep_list) { u8 bEndpointAddress; - if (!ep->desc) + if (!ep->ep.desc) continue; - bEndpointAddress = ep->desc->bEndpointAddress; + bEndpointAddress = ep->ep.desc->bEndpointAddress; if ((wIndex ^ bEndpointAddress) & USB_DIR_IN) continue; diff --git a/drivers/usb/gadget/langwell_udc.h b/drivers/usb/gadget/langwell_udc.h index 8c8087abb481..38fa3c86d85c 100644 --- a/drivers/usb/gadget/langwell_udc.h +++ b/drivers/usb/gadget/langwell_udc.h @@ -116,7 +116,6 @@ struct langwell_ep { unsigned long irqs; struct list_head queue; struct langwell_dqh *dqh; - const struct usb_endpoint_descriptor *desc; char name[14]; unsigned stopped:1, ep_type:2,