diff options
Diffstat (limited to 'drivers/usb/gadget/udc')
-rw-r--r-- | drivers/usb/gadget/udc/atmel_usba_udc.c | 6 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/bdc/bdc_core.c | 13 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/bdc/bdc_ep.c | 18 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/core.c | 2 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/dummy_hcd.c | 8 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/gr_udc.c | 23 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/lpc32xx_udc.c | 11 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/m66592-udc.c | 2 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/mv_udc_core.c | 3 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/net2272.c | 2 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/net2280.c | 4 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/pch_udc.c | 1 | ||||
-rw-r--r-- | drivers/usb/gadget/udc/s3c2410_udc.c | 4 |
13 files changed, 59 insertions, 38 deletions
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c index 761e8a808857..2d969b7185d4 100644 --- a/drivers/usb/gadget/udc/atmel_usba_udc.c +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c @@ -869,7 +869,7 @@ static int usba_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req) u32 status; DBG(DBG_GADGET | DBG_QUEUE, "ep_dequeue: %s, req %p\n", - ep->ep.name, req); + ep->ep.name, _req); spin_lock_irqsave(&udc->lock, flags); @@ -1949,10 +1949,10 @@ static irqreturn_t usba_vbus_irq_thread(int irq, void *devid) usba_start(udc); } else { udc->suspended = false; - usba_stop(udc); - if (udc->driver->disconnect) udc->driver->disconnect(&udc->gadget); + + usba_stop(udc); } udc->vbus_prev = vbus; } diff --git a/drivers/usb/gadget/udc/bdc/bdc_core.c b/drivers/usb/gadget/udc/bdc/bdc_core.c index ccbd1d34eb2a..b157a7abd39f 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_core.c +++ b/drivers/usb/gadget/udc/bdc/bdc_core.c @@ -282,6 +282,7 @@ static void bdc_mem_init(struct bdc *bdc, bool reinit) * in that case reinit is passed as 1 */ if (reinit) { + int i; /* Enable interrupts */ temp = bdc_readl(bdc->regs, BDC_BDCSC); temp |= BDC_GIE; @@ -291,6 +292,9 @@ static void bdc_mem_init(struct bdc *bdc, bool reinit) /* Initialize SRR to 0 */ memset(bdc->srr.sr_bds, 0, NUM_SR_ENTRIES * sizeof(struct bdc_bd)); + /* clear ep flags to avoid post disconnect stops/deconfigs */ + for (i = 1; i < bdc->num_eps; ++i) + bdc->bdc_ep_array[i]->flags = 0; } else { /* One time initiaization only */ /* Enable status report function pointers */ @@ -603,9 +607,14 @@ static int bdc_remove(struct platform_device *pdev) static int bdc_suspend(struct device *dev) { struct bdc *bdc = dev_get_drvdata(dev); + int ret; - clk_disable_unprepare(bdc->clk); - return 0; + /* Halt the controller */ + ret = bdc_stop(bdc); + if (!ret) + clk_disable_unprepare(bdc->clk); + + return ret; } static int bdc_resume(struct device *dev) diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c b/drivers/usb/gadget/udc/bdc/bdc_ep.c index a4d9b5e1e50e..9ddc0b4e92c9 100644 --- a/drivers/usb/gadget/udc/bdc/bdc_ep.c +++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c @@ -540,7 +540,7 @@ static void bdc_req_complete(struct bdc_ep *ep, struct bdc_req *req, { struct bdc *bdc = ep->bdc; - if (req == NULL || &req->queue == NULL || &req->usb_req == NULL) + if (req == NULL) return; dev_dbg(bdc->dev, "%s ep:%s status:%d\n", __func__, ep->name, status); @@ -615,7 +615,6 @@ int bdc_ep_enable(struct bdc_ep *ep) } bdc_dbg_bd_list(bdc, ep); /* only for ep0: config ep is called for ep0 from connect event */ - ep->flags |= BDC_EP_ENABLED; if (ep->ep_num == 1) return ret; @@ -759,10 +758,13 @@ static int ep_dequeue(struct bdc_ep *ep, struct bdc_req *req) __func__, ep->name, start_bdi, end_bdi); dev_dbg(bdc->dev, "ep_dequeue ep=%p ep->desc=%p\n", ep, (void *)ep->usb_ep.desc); - /* Stop the ep to see where the HW is ? */ - ret = bdc_stop_ep(bdc, ep->ep_num); - /* if there is an issue with stopping ep, then no need to go further */ - if (ret) + /* if still connected, stop the ep to see where the HW is ? */ + if (!(bdc_readl(bdc->regs, BDC_USPC) & BDC_PST_MASK)) { + ret = bdc_stop_ep(bdc, ep->ep_num); + /* if there is an issue, then no need to go further */ + if (ret) + return 0; + } else return 0; /* @@ -1911,7 +1913,9 @@ static int bdc_gadget_ep_disable(struct usb_ep *_ep) __func__, ep->name, ep->flags); if (!(ep->flags & BDC_EP_ENABLED)) { - dev_warn(bdc->dev, "%s is already disabled\n", ep->name); + if (bdc->gadget.speed != USB_SPEED_UNKNOWN) + dev_warn(bdc->dev, "%s is already disabled\n", + ep->name); return 0; } spin_lock_irqsave(&bdc->lock, flags); diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index 51fa614b4079..0e7820158aaa 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -1297,6 +1297,8 @@ static void usb_gadget_remove_driver(struct usb_udc *udc) kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE); usb_gadget_disconnect(udc->gadget); + if (udc->gadget->irq) + synchronize_irq(udc->gadget->irq); udc->driver->unbind(udc->gadget); usb_gadget_udc_stop(udc); diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c index 3d499d93c083..4b726f669b53 100644 --- a/drivers/usb/gadget/udc/dummy_hcd.c +++ b/drivers/usb/gadget/udc/dummy_hcd.c @@ -1321,7 +1321,7 @@ static int dummy_perform_transfer(struct urb *urb, struct dummy_request *req, u32 this_sg; bool next_sg; - to_host = usb_pipein(urb->pipe); + to_host = usb_urb_dir_in(urb); rbuf = req->req.buf + req->req.actual; if (!urb->num_sgs) { @@ -1409,7 +1409,7 @@ top: /* FIXME update emulated data toggle too */ - to_host = usb_pipein(urb->pipe); + to_host = usb_urb_dir_in(urb); if (unlikely(len == 0)) is_short = 1; else { @@ -1830,7 +1830,7 @@ restart: /* find the gadget's ep for this request (if configured) */ address = usb_pipeendpoint (urb->pipe); - if (usb_pipein(urb->pipe)) + if (usb_urb_dir_in(urb)) address |= USB_DIR_IN; ep = find_endpoint(dum, address); if (!ep) { @@ -2385,7 +2385,7 @@ static inline ssize_t show_urb(char *buf, size_t size, struct urb *urb) s = "?"; break; } s; }), - ep, ep ? (usb_pipein(urb->pipe) ? "in" : "out") : "", + ep, ep ? (usb_urb_dir_in(urb) ? "in" : "out") : "", ({ char *s; \ switch (usb_pipetype(urb->pipe)) { \ case PIPE_CONTROL: \ diff --git a/drivers/usb/gadget/udc/gr_udc.c b/drivers/usb/gadget/udc/gr_udc.c index 729e60e49564..e0b2fb33ed0d 100644 --- a/drivers/usb/gadget/udc/gr_udc.c +++ b/drivers/usb/gadget/udc/gr_udc.c @@ -1980,9 +1980,12 @@ static int gr_ep_init(struct gr_udc *dev, int num, int is_in, u32 maxplimit) if (num == 0) { _req = gr_alloc_request(&ep->ep, GFP_ATOMIC); + if (!_req) + return -ENOMEM; + buf = devm_kzalloc(dev->dev, PAGE_SIZE, GFP_DMA | GFP_ATOMIC); - if (!_req || !buf) { - /* possible _req freed by gr_probe via gr_remove */ + if (!buf) { + gr_free_request(&ep->ep, _req); return -ENOMEM; } @@ -2180,8 +2183,6 @@ static int gr_probe(struct platform_device *pdev) return -ENOMEM; } - spin_lock(&dev->lock); - /* Inside lock so that no gadget can use this udc until probe is done */ retval = usb_add_gadget_udc(dev->dev, &dev->gadget); if (retval) { @@ -2190,15 +2191,21 @@ static int gr_probe(struct platform_device *pdev) } dev->added = 1; + spin_lock(&dev->lock); + retval = gr_udc_init(dev); - if (retval) + if (retval) { + spin_unlock(&dev->lock); goto out; - - gr_dfs_create(dev); + } /* Clear all interrupt enables that might be left on since last boot */ gr_disable_interrupts_and_pullup(dev); + spin_unlock(&dev->lock); + + gr_dfs_create(dev); + retval = gr_request_irq(dev, dev->irq); if (retval) { dev_err(dev->dev, "Failed to request irq %d\n", dev->irq); @@ -2227,8 +2234,6 @@ static int gr_probe(struct platform_device *pdev) dev_info(dev->dev, "regs: %p, irq %d\n", dev->regs, dev->irq); out: - spin_unlock(&dev->lock); - if (retval) gr_remove(pdev); diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c index 36b7dd7bebf6..69f5b32ead28 100644 --- a/drivers/usb/gadget/udc/lpc32xx_udc.c +++ b/drivers/usb/gadget/udc/lpc32xx_udc.c @@ -1617,17 +1617,17 @@ static int lpc32xx_ep_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc) { struct lpc32xx_ep *ep = container_of(_ep, struct lpc32xx_ep, ep); - struct lpc32xx_udc *udc = ep->udc; + struct lpc32xx_udc *udc; u16 maxpacket; u32 tmp; unsigned long flags; /* Verify EP data */ if ((!_ep) || (!ep) || (!desc) || - (desc->bDescriptorType != USB_DT_ENDPOINT)) { - dev_dbg(udc->dev, "bad ep or descriptor\n"); + (desc->bDescriptorType != USB_DT_ENDPOINT)) return -EINVAL; - } + + udc = ep->udc; maxpacket = usb_endpoint_maxp(desc); if ((maxpacket == 0) || (maxpacket > ep->maxpacket)) { dev_dbg(udc->dev, "bad ep descriptor's packet size\n"); @@ -1875,7 +1875,7 @@ static int lpc32xx_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req) static int lpc32xx_ep_set_halt(struct usb_ep *_ep, int value) { struct lpc32xx_ep *ep = container_of(_ep, struct lpc32xx_ep, ep); - struct lpc32xx_udc *udc = ep->udc; + struct lpc32xx_udc *udc; unsigned long flags; if ((!ep) || (ep->hwep_num <= 1)) @@ -1885,6 +1885,7 @@ static int lpc32xx_ep_set_halt(struct usb_ep *_ep, int value) if (ep->is_in) return -EAGAIN; + udc = ep->udc; spin_lock_irqsave(&udc->lock, flags); if (value == 1) { diff --git a/drivers/usb/gadget/udc/m66592-udc.c b/drivers/usb/gadget/udc/m66592-udc.c index a8288df6aadf..ea59b56e5402 100644 --- a/drivers/usb/gadget/udc/m66592-udc.c +++ b/drivers/usb/gadget/udc/m66592-udc.c @@ -1667,7 +1667,7 @@ static int m66592_probe(struct platform_device *pdev) err_add_udc: m66592_free_request(&m66592->ep[0].ep, m66592->ep0_req); - + m66592->ep0_req = NULL; clean_up3: if (m66592->pdata->on_chip) { clk_disable(m66592->clk); diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c index cafde053788b..80a1b52c656e 100644 --- a/drivers/usb/gadget/udc/mv_udc_core.c +++ b/drivers/usb/gadget/udc/mv_udc_core.c @@ -2313,7 +2313,8 @@ static int mv_udc_probe(struct platform_device *pdev) return 0; err_create_workqueue: - destroy_workqueue(udc->qwork); + if (udc->qwork) + destroy_workqueue(udc->qwork); err_destroy_dma: dma_pool_destroy(udc->dtd_pool); err_free_dma: diff --git a/drivers/usb/gadget/udc/net2272.c b/drivers/usb/gadget/udc/net2272.c index 564aeee1a1fe..286354e741f3 100644 --- a/drivers/usb/gadget/udc/net2272.c +++ b/drivers/usb/gadget/udc/net2272.c @@ -2652,6 +2652,8 @@ net2272_plat_probe(struct platform_device *pdev) err_req: release_mem_region(base, len); err: + kfree(dev); + return ret; } diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c index b6bbe2e448ba..19de7392e17f 100644 --- a/drivers/usb/gadget/udc/net2280.c +++ b/drivers/usb/gadget/udc/net2280.c @@ -3778,8 +3778,10 @@ static int net2280_probe(struct pci_dev *pdev, const struct pci_device_id *id) return 0; done: - if (dev) + if (dev) { net2280_remove(pdev); + kfree(dev); + } return retval; } diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index cded51f36fc1..11a31cf2a8c4 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -1519,7 +1519,6 @@ static void pch_udc_free_dma_chain(struct pch_udc_dev *dev, td = phys_to_virt(addr); addr2 = (dma_addr_t)td->next; dma_pool_free(dev->data_requests, td, addr); - td->next = 0x00; addr = addr2; } req->chain_len = 1; diff --git a/drivers/usb/gadget/udc/s3c2410_udc.c b/drivers/usb/gadget/udc/s3c2410_udc.c index af3e63316ace..a8adc234def3 100644 --- a/drivers/usb/gadget/udc/s3c2410_udc.c +++ b/drivers/usb/gadget/udc/s3c2410_udc.c @@ -251,10 +251,6 @@ static void s3c2410_udc_done(struct s3c2410_ep *ep, static void s3c2410_udc_nuke(struct s3c2410_udc *udc, struct s3c2410_ep *ep, int status) { - /* Sanity check */ - if (&ep->queue == NULL) - return; - while (!list_empty(&ep->queue)) { struct s3c2410_request *req; req = list_entry(ep->queue.next, struct s3c2410_request, |