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usb: gadget: s3c2410: fix gadget->dev registration

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Whenever ->udc_start() gets called, gadget driver
has already being bound to the udc controller, which
means that gadget->dev had to be already initialized
and added to driver model.

This patch fixes s3c2410 mistake.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2013-02-25 21:11:50 +02:00
parent 56aa45adcc
commit 7597a49b1e
1 changed files with 11 additions and 15 deletions
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26
drivers/usb/gadget/s3c2410_udc.c
View file

@ -1669,7 +1669,6 @@ static int s3c2410_udc_start(struct usb_gadget *g,
struct usb_gadget_driver *driver)
{
struct s3c2410_udc *udc = to_s3c2410(g)
int retval;
dprintk(DEBUG_NORMAL, "%s() '%s'\n", __func__, driver->driver.name);
@ -1677,22 +1676,10 @@ static int s3c2410_udc_start(struct usb_gadget *g,
udc->driver = driver;
udc->gadget.dev.driver = &driver->driver;
/* Bind the driver */
retval = device_add(&udc->gadget.dev);
if (retval) {
dev_err(&udc->gadget.dev, "Error in device_add() : %d\n", retval);
goto register_error;
}
/* Enable udc */
s3c2410_udc_enable(udc);
return 0;
register_error:
udc->driver = NULL;
udc->gadget.dev.driver = NULL;
return retval;
}
static int s3c2410_udc_stop(struct usb_gadget *g,
@ -1700,7 +1687,6 @@ static int s3c2410_udc_stop(struct usb_gadget *g,
{
struct s3c2410_udc *udc = to_s3c2410(g);
device_del(&udc->gadget.dev);
udc->driver = NULL;
/* Disable udc */
@ -1842,6 +1828,13 @@ static int s3c2410_udc_probe(struct platform_device *pdev)
udc->gadget.dev.parent = &pdev->dev;
udc->gadget.dev.dma_mask = pdev->dev.dma_mask;
/* Bind the driver */
retval = device_add(&udc->gadget.dev);
if (retval) {
dev_err(&udc->gadget.dev, "Error in device_add() : %d\n", retval);
goto err_device_add;
}
the_controller = udc;
platform_set_drvdata(pdev, udc);
@ -1930,6 +1923,8 @@ err_gpio_claim:
err_int:
free_irq(IRQ_USBD, udc);
err_map:
device_unregister(&udc->gadget.dev);
err_device_add:
iounmap(base_addr);
err_mem:
release_mem_region(rsrc_start, rsrc_len);
@ -1947,10 +1942,11 @@ static int s3c2410_udc_remove(struct platform_device *pdev)
dev_dbg(&pdev->dev, "%s()\n", __func__);
usb_del_gadget_udc(&udc->gadget);
if (udc->driver)
return -EBUSY;
usb_del_gadget_udc(&udc->gadget);
device_unregister(&udc->gadget.dev);
debugfs_remove(udc->regs_info);
if (udc_info && !udc_info->udc_command &&