From 103495aaf0e7674f6d7995982b48118188c247eb Mon Sep 17 00:00:00 2001 From: =?utf8?q?Heiko=20St=C3=BCbner?= Date: Mon, 19 Dec 2011 19:41:05 +0100 Subject: [PATCH] usb: gadget: s3c-hsudc: move device registration to probe Instead of adding and deleting the gadget device in the start and stop invocations. Use device_register in the probe method to initialize and add the gadget device. Signed-off-by: Heiko Stuebner Signed-off-by: Felipe Balbi --- drivers/usb/gadget/s3c-hsudc.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c index a6a789a..fd18132 100644 --- a/drivers/usb/gadget/s3c-hsudc.c +++ b/drivers/usb/gadget/s3c-hsudc.c @@ -1156,11 +1156,6 @@ static int s3c_hsudc_start(struct usb_gadget_driver *driver, hsudc->driver = driver; hsudc->gadget.dev.driver = &driver->driver; hsudc->gadget.speed = USB_SPEED_UNKNOWN; - ret = device_add(&hsudc->gadget.dev); - if (ret) { - dev_err(hsudc->dev, "failed to probe gadget device"); - return ret; - } ret = bind(&hsudc->gadget); if (ret) { @@ -1180,8 +1175,6 @@ static int s3c_hsudc_start(struct usb_gadget_driver *driver, hsudc->gadget.name); driver->unbind(&hsudc->gadget); - device_del(&hsudc->gadget.dev); - hsudc->driver = NULL; hsudc->gadget.dev.driver = NULL; return ret; @@ -1222,7 +1215,6 @@ static int s3c_hsudc_stop(struct usb_gadget_driver *driver) (void) otg_set_peripheral(hsudc->transceiver, NULL); driver->unbind(&hsudc->gadget); - device_del(&hsudc->gadget.dev); disable_irq(hsudc->irq); dev_info(hsudc->dev, "unregistered gadget driver '%s'\n", @@ -1307,7 +1299,6 @@ static int __devinit s3c_hsudc_probe(struct platform_device *pdev) spin_lock_init(&hsudc->lock); - device_initialize(&hsudc->gadget.dev); dev_set_name(&hsudc->gadget.dev, "gadget"); hsudc->gadget.max_speed = USB_SPEED_HIGH; @@ -1348,12 +1339,20 @@ static int __devinit s3c_hsudc_probe(struct platform_device *pdev) disable_irq(hsudc->irq); local_irq_enable(); + ret = device_register(&hsudc->gadget.dev); + if (ret) { + put_device(&hsudc->gadget.dev); + goto err_add_device; + } + ret = usb_add_gadget_udc(&pdev->dev, &hsudc->gadget); if (ret) goto err_add_udc; return 0; err_add_udc: + device_unregister(&hsudc->gadget.dev); +err_add_device: clk_disable(hsudc->uclk); clk_put(hsudc->uclk); err_clk: -- 2.7.4