static int ehci_usb_remove(struct udevice *dev)
{
struct msm_ehci_priv *p = dev_get_priv(dev);
struct usb_ehci *ehci = p->ehci;
int ret;
ret = ehci_deregister(dev);
if (ret)
return ret;
/* Stop controller. */
clrbits_le32(&ehci->usbcmd, CMD_RUN);
reset_usb_phy(p);
ret = board_prepare_usb(USB_INIT_DEVICE); /* Board specific hook */
if (ret < 0)
return ret;
/* Reset controller */
setbits_le32(&ehci->usbcmd, CMD_RESET);
/* Wait for reset */
if (wait_for_bit_le32(&ehci->usbcmd, CMD_RESET, false, 30, false)) {
printf("Stuck on USB reset.\n");
return -ETIMEDOUT;
}
return 0;
}
/*
* Destroy the appropriate control structures corresponding
* the EHCI host controller.
*/
int ehci_hcd_stop(int index)
{
struct exynos_ehci *ctx = &exynos;
reset_usb_phy(ctx->usb);
return 0;
}
