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authorHeiko Stübner <heiko@sntech.de>2011-12-19 19:41:05 +0100
committerFelipe Balbi <balbi@ti.com>2011-12-21 13:24:39 +0200
commit103495aaf0e7674f6d7995982b48118188c247eb (patch)
tree2df5b113c7598b294685a2910a22327014993751 /drivers/usb/gadget
parente9bcb9e5feb0f5d1ccf155b6ca9e1b8f7147f0d6 (diff)
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 <heiko@sntech.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/s3c-hsudc.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c
index a6a789a0509..fd181329f45 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: