X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fusb%2Fgadget%2Fomap_udc.c;h=fbea514489094778c334c6876e906514b7b1cbce;hb=2edc322d420a4cec8dbc184a1220ecd7fa9f8ae6;hp=387692a3611e7119560b606611e75d1ac881285f;hpb=328198acb7407301ddf6005c0fa1e04bd0c539c8;p=linux-2.6-omap-h63xx.git diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c index 387692a3611..fbea5144890 100644 --- a/drivers/usb/gadget/omap_udc.c +++ b/drivers/usb/gadget/omap_udc.c @@ -273,9 +273,8 @@ omap_alloc_request(struct usb_ep *ep, gfp_t gfp_flags) { struct omap_req *req; - req = kmalloc(sizeof *req, gfp_flags); + req = kzalloc(sizeof(*req), gfp_flags); if (req) { - memset (req, 0, sizeof *req); req->req.dma = DMA_ADDR_INVALID; INIT_LIST_HEAD (&req->queue); } @@ -2586,11 +2585,10 @@ omap_udc_setup(struct platform_device *odev, struct otg_transceiver *xceiv) /* UDC_PULLUP_EN gates the chip clock */ // OTG_SYSCON_1_REG |= DEV_IDLE_EN; - udc = kmalloc (sizeof *udc, SLAB_KERNEL); + udc = kzalloc(sizeof(*udc), SLAB_KERNEL); if (!udc) return -ENOMEM; - memset(udc, 0, sizeof *udc); spin_lock_init (&udc->lock); udc->gadget.ops = &omap_gadget_ops; @@ -2707,18 +2705,17 @@ omap_udc_setup(struct platform_device *odev, struct otg_transceiver *xceiv) return 0; } -static int __init omap_udc_probe(struct device *dev) +static int __init omap_udc_probe(struct platform_device *pdev) { - struct platform_device *odev = to_platform_device(dev); int status = -ENODEV; int hmc; struct otg_transceiver *xceiv = NULL; const char *type = NULL; - struct omap_usb_config *config = dev->platform_data; + struct omap_usb_config *config = pdev->dev.platform_data; /* NOTE: "knows" the order of the resources! */ - if (!request_mem_region(odev->resource[0].start, - odev->resource[0].end - odev->resource[0].start + 1, + if (!request_mem_region(pdev->resource[0].start, + pdev->resource[0].end - pdev->resource[0].start + 1, driver_name)) { DBG("request_mem_region failed\n"); return -EBUSY; @@ -2803,7 +2800,7 @@ bad_on_1710: INFO("hmc mode %d, %s transceiver\n", hmc, type); /* a "gadget" abstracts/virtualizes the controller */ - status = omap_udc_setup(odev, xceiv); + status = omap_udc_setup(pdev, xceiv); if (status) { goto cleanup0; } @@ -2821,28 +2818,28 @@ bad_on_1710: udc->clr_halt = UDC_RESET_EP; /* USB general purpose IRQ: ep0, state changes, dma, etc */ - status = request_irq(odev->resource[1].start, omap_udc_irq, + status = request_irq(pdev->resource[1].start, omap_udc_irq, SA_SAMPLE_RANDOM, driver_name, udc); if (status != 0) { ERR( "can't get irq %ld, err %d\n", - odev->resource[1].start, status); + pdev->resource[1].start, status); goto cleanup1; } /* USB "non-iso" IRQ (PIO for all but ep0) */ - status = request_irq(odev->resource[2].start, omap_udc_pio_irq, + status = request_irq(pdev->resource[2].start, omap_udc_pio_irq, SA_SAMPLE_RANDOM, "omap_udc pio", udc); if (status != 0) { ERR( "can't get irq %ld, err %d\n", - odev->resource[2].start, status); + pdev->resource[2].start, status); goto cleanup2; } #ifdef USE_ISO - status = request_irq(odev->resource[3].start, omap_udc_iso_irq, + status = request_irq(pdev->resource[3].start, omap_udc_iso_irq, SA_INTERRUPT, "omap_udc iso", udc); if (status != 0) { ERR("can't get irq %ld, err %d\n", - odev->resource[3].start, status); + pdev->resource[3].start, status); goto cleanup3; } #endif @@ -2853,11 +2850,11 @@ bad_on_1710: #ifdef USE_ISO cleanup3: - free_irq(odev->resource[2].start, udc); + free_irq(pdev->resource[2].start, udc); #endif cleanup2: - free_irq(odev->resource[1].start, udc); + free_irq(pdev->resource[1].start, udc); cleanup1: kfree (udc); @@ -2866,14 +2863,13 @@ cleanup1: cleanup0: if (xceiv) put_device(xceiv->dev); - release_mem_region(odev->resource[0].start, - odev->resource[0].end - odev->resource[0].start + 1); + release_mem_region(pdev->resource[0].start, + pdev->resource[0].end - pdev->resource[0].start + 1); return status; } -static int __exit omap_udc_remove(struct device *dev) +static int __exit omap_udc_remove(struct platform_device *pdev) { - struct platform_device *odev = to_platform_device(dev); DECLARE_COMPLETION(done); if (!udc) @@ -2891,13 +2887,13 @@ static int __exit omap_udc_remove(struct device *dev) remove_proc_file(); #ifdef USE_ISO - free_irq(odev->resource[3].start, udc); + free_irq(pdev->resource[3].start, udc); #endif - free_irq(odev->resource[2].start, udc); - free_irq(odev->resource[1].start, udc); + free_irq(pdev->resource[2].start, udc); + free_irq(pdev->resource[1].start, udc); - release_mem_region(odev->resource[0].start, - odev->resource[0].end - odev->resource[0].start + 1); + release_mem_region(pdev->resource[0].start, + pdev->resource[0].end - pdev->resource[0].start + 1); device_unregister(&udc->gadget.dev); wait_for_completion(&done); @@ -2915,7 +2911,7 @@ static int __exit omap_udc_remove(struct device *dev) * may involve talking to an external transceiver (e.g. isp1301). */ -static int omap_udc_suspend(struct device *dev, pm_message_t message) +static int omap_udc_suspend(struct platform_device *dev, pm_message_t message) { u32 devstat; @@ -2935,7 +2931,7 @@ static int omap_udc_suspend(struct device *dev, pm_message_t message) return 0; } -static int omap_udc_resume(struct device *dev) +static int omap_udc_resume(struct platform_device *dev) { DBG("resume + wakeup/SRP\n"); omap_pullup(&udc->gadget, 1); @@ -2947,14 +2943,15 @@ static int omap_udc_resume(struct device *dev) /*-------------------------------------------------------------------------*/ -static struct device_driver udc_driver = { - .name = (char *) driver_name, - .owner = THIS_MODULE, - .bus = &platform_bus_type, +static struct platform_driver udc_driver = { .probe = omap_udc_probe, .remove = __exit_p(omap_udc_remove), .suspend = omap_udc_suspend, .resume = omap_udc_resume, + .driver = { + .owner = THIS_MODULE, + .name = (char *) driver_name, + }, }; static int __init udc_init(void) @@ -2965,13 +2962,13 @@ static int __init udc_init(void) #endif "%s\n", driver_desc, use_dma ? " (dma)" : ""); - return driver_register(&udc_driver); + return platform_driver_register(&udc_driver); } module_init(udc_init); static void __exit udc_exit(void) { - driver_unregister(&udc_driver); + platform_driver_unregister(&udc_driver); } module_exit(udc_exit);