static int ohci_hcd_pxa27x_drv_remove(struct platform_device *pdev)
{
struct usb_hcd *hcd = platform_get_drvdata(pdev);
usb_hcd_pxa27x_remove(hcd, pdev);
return 0;
}
static int ohci_hcd_pxa27x_drv_remove(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct usb_hcd *hcd = dev_get_drvdata(dev);
usb_hcd_pxa27x_remove(hcd, pdev);
return 0;
}
/**
* usb_hcd_pxa27x_probe - initialize pxa27x-based HCDs
* Context: !in_interrupt()
*
* Allocates basic resources for this USB host controller, and
* then invokes the start() method for the HCD associated with it
* through the hotplug entry's driver_data.
*
*/
int usb_hcd_pxa27x_probe (const struct hc_driver *driver,
struct usb_hcd **hcd_out,
struct platform_device *dev)
{
int retval;
struct usb_hcd *hcd = 0;
unsigned int *addr = NULL;
if (!request_mem_region(dev->resource[0].start,
dev->resource[0].end
- dev->resource[0].start + 1, hcd_name)) {
pr_debug("request_mem_region failed");
return -EBUSY;
}
pxa27x_start_hc(dev);
/* Select Power Management Mode */
pxa27x_ohci_select_pmm( PMM_PERPORT_MODE );
/* If choosing PMM_PERPORT_MODE, we should set the port power before we use it. */
if (pxa27x_ohci_set_port_power(1) < 0)
printk(KERN_ERR "Setting port 1 power failed.\n");
if (pxa27x_ohci_clear_port_power(2) < 0)
printk(KERN_ERR "Setting port 2 power failed.\n");
if (pxa27x_ohci_clear_port_power(3) < 0)
printk(KERN_ERR "Setting port 3 power failed.\n");
addr = ioremap(dev->resource[0].start,
dev->resource[0].end - dev->resource[0].start + 1);
if (!addr) {
pr_debug("ioremap failed");
retval = -ENOMEM;
goto err1;
}
hcd = driver->hcd_alloc ();
if (hcd == NULL){
pr_debug ("hcd_alloc failed");
retval = -ENOMEM;
goto err1;
}
if(dev->resource[1].flags != IORESOURCE_IRQ){
pr_debug ("resource[1] is not IORESOURCE_IRQ");
retval = -ENOMEM;
goto err1;
}
hcd->driver = (struct hc_driver *) driver;
hcd->description = driver->description;
hcd->irq = dev->resource[1].start;
hcd->regs = addr;
hcd->self.controller = &dev->dev;
retval = hcd_buffer_create (hcd);
if (retval != 0) {
pr_debug ("pool alloc fail");
goto err1;
}
retval = request_irq (hcd->irq, usb_hcd_irq, SA_INTERRUPT,
hcd->description, hcd);
if (retval != 0) {
pr_debug("request_irq(%d) failed with retval %d\n",hcd->irq,retval);
retval = -EBUSY;
goto err2;
}
pr_debug ("%s (pxa27x) at 0x%p, irq %d",
hcd->description, hcd->regs, hcd->irq);
usb_bus_init (&hcd->self);
hcd->self.op = &usb_hcd_operations;
hcd->self.hcpriv = (void *) hcd;
hcd->self.bus_name = "pxa27x";
hcd->product_desc = "PXA27x OHCI";
INIT_LIST_HEAD (&hcd->dev_list);
usb_register_bus (&hcd->self);
if ((retval = driver->start (hcd)) < 0) {
usb_hcd_pxa27x_remove(hcd, dev);
return retval;
}
*hcd_out = hcd;
return 0;
err2:
hcd_buffer_destroy (hcd);
if (hcd)
driver->hcd_free(hcd);
err1:
pxa27x_stop_hc(dev);
release_mem_region(dev->resource[0].start,
dev->resource[0].end
- dev->resource[0].start + 1);
return retval;
}
