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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-12-09 01:14:38 -0500
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-12-09 01:14:38 -0500
commitbcd6acd51f3d4d1ada201e9bc5c40a31d6d80c71 (patch)
tree2f6dffd2d3e4dd67355a224de7e7a960335a92fd /drivers/usb/gadget/amd5536udc.c
parent11c34c7deaeeebcee342cbc35e1bb2a6711b2431 (diff)
parent3ff6a468b45b5dfeb0e903e56f4eb27d34b2437c (diff)
Merge commit 'origin/master' into next
Conflicts: include/linux/kvm.h
Diffstat (limited to 'drivers/usb/gadget/amd5536udc.c')
-rw-r--r--drivers/usb/gadget/amd5536udc.c49
1 files changed, 30 insertions, 19 deletions
diff --git a/drivers/usb/gadget/amd5536udc.c b/drivers/usb/gadget/amd5536udc.c
index d5b65962dd36..731150d4b1d9 100644
--- a/drivers/usb/gadget/amd5536udc.c
+++ b/drivers/usb/gadget/amd5536udc.c
@@ -1213,7 +1213,12 @@ udc_queue(struct usb_ep *usbep, struct usb_request *usbreq, gfp_t gfp)
1213 tmp &= AMD_UNMASK_BIT(ep->num); 1213 tmp &= AMD_UNMASK_BIT(ep->num);
1214 writel(tmp, &dev->regs->ep_irqmsk); 1214 writel(tmp, &dev->regs->ep_irqmsk);
1215 } 1215 }
1216 } 1216 } else if (ep->in) {
1217 /* enable ep irq */
1218 tmp = readl(&dev->regs->ep_irqmsk);
1219 tmp &= AMD_UNMASK_BIT(ep->num);
1220 writel(tmp, &dev->regs->ep_irqmsk);
1221 }
1217 1222
1218 } else if (ep->dma) { 1223 } else if (ep->dma) {
1219 1224
@@ -2005,18 +2010,17 @@ __acquires(dev->lock)
2005{ 2010{
2006 int tmp; 2011 int tmp;
2007 2012
2008 /* empty queues and init hardware */
2009 udc_basic_init(dev);
2010 for (tmp = 0; tmp < UDC_EP_NUM; tmp++) {
2011 empty_req_queue(&dev->ep[tmp]);
2012 }
2013
2014 if (dev->gadget.speed != USB_SPEED_UNKNOWN) { 2013 if (dev->gadget.speed != USB_SPEED_UNKNOWN) {
2015 spin_unlock(&dev->lock); 2014 spin_unlock(&dev->lock);
2016 driver->disconnect(&dev->gadget); 2015 driver->disconnect(&dev->gadget);
2017 spin_lock(&dev->lock); 2016 spin_lock(&dev->lock);
2018 } 2017 }
2019 /* init */ 2018
2019 /* empty queues and init hardware */
2020 udc_basic_init(dev);
2021 for (tmp = 0; tmp < UDC_EP_NUM; tmp++)
2022 empty_req_queue(&dev->ep[tmp]);
2023
2020 udc_setup_endpoints(dev); 2024 udc_setup_endpoints(dev);
2021} 2025}
2022 2026
@@ -2472,6 +2476,13 @@ static irqreturn_t udc_data_in_isr(struct udc *dev, int ep_ix)
2472 } 2476 }
2473 } 2477 }
2474 2478
2479 } else if (!use_dma && ep->in) {
2480 /* disable interrupt */
2481 tmp = readl(
2482 &dev->regs->ep_irqmsk);
2483 tmp |= AMD_BIT(ep->num);
2484 writel(tmp,
2485 &dev->regs->ep_irqmsk);
2475 } 2486 }
2476 } 2487 }
2477 /* clear status bits */ 2488 /* clear status bits */
@@ -3279,6 +3290,17 @@ static int udc_pci_probe(
3279 goto finished; 3290 goto finished;
3280 } 3291 }
3281 3292
3293 spin_lock_init(&dev->lock);
3294 /* udc csr registers base */
3295 dev->csr = dev->virt_addr + UDC_CSR_ADDR;
3296 /* dev registers base */
3297 dev->regs = dev->virt_addr + UDC_DEVCFG_ADDR;
3298 /* ep registers base */
3299 dev->ep_regs = dev->virt_addr + UDC_EPREGS_ADDR;
3300 /* fifo's base */
3301 dev->rxfifo = (u32 __iomem *)(dev->virt_addr + UDC_RXFIFO_ADDR);
3302 dev->txfifo = (u32 __iomem *)(dev->virt_addr + UDC_TXFIFO_ADDR);
3303
3282 if (request_irq(pdev->irq, udc_irq, IRQF_SHARED, name, dev) != 0) { 3304 if (request_irq(pdev->irq, udc_irq, IRQF_SHARED, name, dev) != 0) {
3283 dev_dbg(&dev->pdev->dev, "request_irq(%d) fail\n", pdev->irq); 3305 dev_dbg(&dev->pdev->dev, "request_irq(%d) fail\n", pdev->irq);
3284 kfree(dev); 3306 kfree(dev);
@@ -3331,7 +3353,6 @@ static int udc_probe(struct udc *dev)
3331 udc_pollstall_timer.data = 0; 3353 udc_pollstall_timer.data = 0;
3332 3354
3333 /* device struct setup */ 3355 /* device struct setup */
3334 spin_lock_init(&dev->lock);
3335 dev->gadget.ops = &udc_ops; 3356 dev->gadget.ops = &udc_ops;
3336 3357
3337 dev_set_name(&dev->gadget.dev, "gadget"); 3358 dev_set_name(&dev->gadget.dev, "gadget");
@@ -3340,16 +3361,6 @@ static int udc_probe(struct udc *dev)
3340 dev->gadget.name = name; 3361 dev->gadget.name = name;
3341 dev->gadget.is_dualspeed = 1; 3362 dev->gadget.is_dualspeed = 1;
3342 3363
3343 /* udc csr registers base */
3344 dev->csr = dev->virt_addr + UDC_CSR_ADDR;
3345 /* dev registers base */
3346 dev->regs = dev->virt_addr + UDC_DEVCFG_ADDR;
3347 /* ep registers base */
3348 dev->ep_regs = dev->virt_addr + UDC_EPREGS_ADDR;
3349 /* fifo's base */
3350 dev->rxfifo = (u32 __iomem *)(dev->virt_addr + UDC_RXFIFO_ADDR);
3351 dev->txfifo = (u32 __iomem *)(dev->virt_addr + UDC_TXFIFO_ADDR);
3352
3353 /* init registers, interrupts, ... */ 3364 /* init registers, interrupts, ... */
3354 startup_registers(dev); 3365 startup_registers(dev);
3355 3366