diff options
Diffstat (limited to 'drivers/usb/gadget/mv_u3d_core.c')
| -rw-r--r-- | drivers/usb/gadget/mv_u3d_core.c | 65 |
1 files changed, 23 insertions, 42 deletions
diff --git a/drivers/usb/gadget/mv_u3d_core.c b/drivers/usb/gadget/mv_u3d_core.c index b5cea27..58288e9 100644 --- a/drivers/usb/gadget/mv_u3d_core.c +++ b/drivers/usb/gadget/mv_u3d_core.c @@ -30,9 +30,6 @@ #include <linux/platform_device.h> #include <linux/platform_data/mv_usb.h> #include <linux/clk.h> -#include <asm/system.h> -#include <asm/unaligned.h> -#include <asm/byteorder.h> #include "mv_u3d.h" @@ -125,7 +122,7 @@ static int mv_u3d_process_ep_req(struct mv_u3d *u3d, int index, struct mv_u3d_trb *curr_trb; dma_addr_t cur_deq_lo; struct mv_u3d_ep_context *curr_ep_context; - int trb_complete, actual, remaining_length; + int trb_complete, actual, remaining_length = 0; int direction, ep_num; int retval = 0; u32 tmp, status, length; @@ -189,6 +186,8 @@ static int mv_u3d_process_ep_req(struct mv_u3d *u3d, int index, */ static void mv_u3d_done(struct mv_u3d_ep *ep, struct mv_u3d_req *req, int status) + __releases(&ep->udc->lock) + __acquires(&ep->udc->lock) { struct mv_u3d *u3d = (struct mv_u3d *)ep->u3d; @@ -812,19 +811,19 @@ mv_u3d_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags) return 0; } - dev_dbg(u3d->dev, "%s: %s, req: 0x%x\n", - __func__, _ep->name, (u32)req); + dev_dbg(u3d->dev, "%s: %s, req: 0x%p\n", + __func__, _ep->name, req); /* catch various bogus parameters */ if (!req->req.complete || !req->req.buf || !list_empty(&req->queue)) { dev_err(u3d->dev, - "%s, bad params, _req: 0x%x," - "req->req.complete: 0x%x, req->req.buf: 0x%x," + "%s, bad params, _req: 0x%p," + "req->req.complete: 0x%p, req->req.buf: 0x%p," "list_empty: 0x%x\n", - __func__, (u32)_req, - (u32)req->req.complete, (u32)req->req.buf, - (u32)list_empty(&req->queue)); + __func__, _req, + req->req.complete, req->req.buf, + list_empty(&req->queue)); return -EINVAL; } if (unlikely(!ep->ep.desc)) { @@ -905,7 +904,7 @@ static int mv_u3d_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req) struct mv_u3d_req, queue); /* Point first TRB of next request to the EP context. */ - iowrite32((u32) next_req->trb_head, + iowrite32((unsigned long) next_req->trb_head, &ep_context->trb_addr_lo); } else { struct mv_u3d_ep_context *ep_context; @@ -1264,7 +1263,6 @@ static int mv_u3d_start(struct usb_gadget *g, /* hook up the driver ... */ driver->driver.bus = NULL; u3d->driver = driver; - u3d->gadget.dev.driver = &driver->driver; u3d->ep0_dir = USB_DIR_OUT; @@ -1302,7 +1300,6 @@ static int mv_u3d_stop(struct usb_gadget *g, spin_unlock_irqrestore(&u3d->lock, flags); - u3d->gadget.dev.driver = NULL; u3d->driver = NULL; return 0; @@ -1525,6 +1522,8 @@ static int mv_u3d_is_set_configuration(struct usb_ctrlrequest *setup) static void mv_u3d_handle_setup_packet(struct mv_u3d *u3d, u8 ep_num, struct usb_ctrlrequest *setup) + __releases(&u3c->lock) + __acquires(&u3c->lock) { bool delegate = false; @@ -1758,11 +1757,6 @@ static irqreturn_t mv_u3d_irq(int irq, void *dev) return IRQ_HANDLED; } -static void mv_u3d_gadget_release(struct device *dev) -{ - dev_dbg(dev, "%s\n", __func__); -} - static int mv_u3d_remove(struct platform_device *dev) { struct mv_u3d *u3d = platform_get_drvdata(dev); @@ -1792,8 +1786,6 @@ static int mv_u3d_remove(struct platform_device *dev) clk_put(u3d->clk); - device_unregister(&u3d->gadget.dev); - platform_set_drvdata(dev, NULL); kfree(u3d); @@ -1829,7 +1821,7 @@ static int mv_u3d_probe(struct platform_device *dev) u3d->dev = &dev->dev; u3d->vbus = pdata->vbus; - u3d->clk = clk_get(&dev->dev, pdata->clkname[0]); + u3d->clk = clk_get(&dev->dev, NULL); if (IS_ERR(u3d->clk)) { retval = PTR_ERR(u3d->clk); goto err_get_clk; @@ -1849,8 +1841,9 @@ static int mv_u3d_probe(struct platform_device *dev) retval = -EBUSY; goto err_map_cap_regs; } else { - dev_dbg(&dev->dev, "cap_regs address: 0x%x/0x%x\n", - (unsigned int)r->start, (unsigned int)u3d->cap_regs); + dev_dbg(&dev->dev, "cap_regs address: 0x%lx/0x%lx\n", + (unsigned long) r->start, + (unsigned long) u3d->cap_regs); } /* we will access controller register, so enable the u3d controller */ @@ -1864,10 +1857,10 @@ static int mv_u3d_probe(struct platform_device *dev) } } - u3d->op_regs = (struct mv_u3d_op_regs __iomem *)((u32)u3d->cap_regs + u3d->op_regs = (struct mv_u3d_op_regs __iomem *)(u3d->cap_regs + MV_U3D_USB3_OP_REGS_OFFSET); - u3d->vuc_regs = (struct mv_u3d_vuc_regs __iomem *)((u32)u3d->cap_regs + u3d->vuc_regs = (struct mv_u3d_vuc_regs __iomem *)(u3d->cap_regs + ioread32(&u3d->cap_regs->vuoff)); u3d->max_eps = 16; @@ -1957,16 +1950,8 @@ static int mv_u3d_probe(struct platform_device *dev) u3d->gadget.speed = USB_SPEED_UNKNOWN; /* speed */ /* the "gadget" abstracts/virtualizes the controller */ - dev_set_name(&u3d->gadget.dev, "gadget"); - u3d->gadget.dev.parent = &dev->dev; - u3d->gadget.dev.dma_mask = dev->dev.dma_mask; - u3d->gadget.dev.release = mv_u3d_gadget_release; u3d->gadget.name = driver_name; /* gadget name */ - retval = device_register(&u3d->gadget.dev); - if (retval) - goto err_register_gadget_device; - mv_u3d_eps_init(u3d); /* external vbus detection */ @@ -1991,8 +1976,6 @@ static int mv_u3d_probe(struct platform_device *dev) return 0; err_unregister: - device_unregister(&u3d->gadget.dev); -err_register_gadget_device: free_irq(u3d->irq, &dev->dev); err_request_irq: err_get_irq: @@ -2021,7 +2004,7 @@ err_pdata: return retval; } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static int mv_u3d_suspend(struct device *dev) { struct mv_u3d *u3d = dev_get_drvdata(dev); @@ -2064,10 +2047,10 @@ static int mv_u3d_resume(struct device *dev) return 0; } - -SIMPLE_DEV_PM_OPS(mv_u3d_pm_ops, mv_u3d_suspend, mv_u3d_resume); #endif +static SIMPLE_DEV_PM_OPS(mv_u3d_pm_ops, mv_u3d_suspend, mv_u3d_resume); + static void mv_u3d_shutdown(struct platform_device *dev) { struct mv_u3d *u3d = dev_get_drvdata(&dev->dev); @@ -2080,14 +2063,12 @@ static void mv_u3d_shutdown(struct platform_device *dev) static struct platform_driver mv_u3d_driver = { .probe = mv_u3d_probe, - .remove = __exit_p(mv_u3d_remove), + .remove = mv_u3d_remove, .shutdown = mv_u3d_shutdown, .driver = { .owner = THIS_MODULE, .name = "mv-u3d", -#ifdef CONFIG_PM .pm = &mv_u3d_pm_ops, -#endif }, }; |