usb/xhci: move xhci_gen_setup() away from -pci.

xhci_gen_setup() is generic so it can be used to perform the bare xhci
setup even on non-pci based platform. The typedef for the function
pointer is moved into the headerfile

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 91 deletions

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index ca56af5e01bc..e2c82d1249c2 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -51,97 +51,6 @@ static int xhci_pci_reinit(struct xhci_hcd *xhci, struct pci_dev *pdev)
 	return 0;
 }
 
-typedef void (*xhci_get_quirks_t)(struct device *, struct xhci_hcd *);
-
-static int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
-{
-	struct xhci_hcd		*xhci;
-	struct device		*dev = hcd->self.controller;
-	int			retval;
-	u32			temp;
-
-	hcd->self.sg_tablesize = TRBS_PER_SEGMENT - 2;
-
-	if (usb_hcd_is_primary_hcd(hcd)) {
-		xhci = kzalloc(sizeof(struct xhci_hcd), GFP_KERNEL);
-		if (!xhci)
-			return -ENOMEM;
-		*((struct xhci_hcd **) hcd->hcd_priv) = xhci;
-		xhci->main_hcd = hcd;
-		/* Mark the first roothub as being USB 2.0.
-		 * The xHCI driver will register the USB 3.0 roothub.
-		 */
-		hcd->speed = HCD_USB2;
-		hcd->self.root_hub->speed = USB_SPEED_HIGH;
-		/*
-		 * USB 2.0 roothub under xHCI has an integrated TT,
-		 * (rate matching hub) as opposed to having an OHCI/UHCI
-		 * companion controller.
-		 */
-		hcd->has_tt = 1;
-	} else {
-		/* xHCI private pointer was set in xhci_pci_probe for the second
-		 * registered roothub.
-		 */
-		xhci = hcd_to_xhci(hcd);
-		temp = xhci_readl(xhci, &xhci->cap_regs->hcc_params);
-		if (HCC_64BIT_ADDR(temp)) {
-			xhci_dbg(xhci, "Enabling 64-bit DMA addresses.\n");
-			dma_set_mask(hcd->self.controller, DMA_BIT_MASK(64));
-		} else {
-			dma_set_mask(hcd->self.controller, DMA_BIT_MASK(32));
-		}
-		return 0;
-	}
-
-	xhci->cap_regs = hcd->regs;
-	xhci->op_regs = hcd->regs +
-		HC_LENGTH(xhci_readl(xhci, &xhci->cap_regs->hc_capbase));
-	xhci->run_regs = hcd->regs +
-		(xhci_readl(xhci, &xhci->cap_regs->run_regs_off) & RTSOFF_MASK);
-	/* Cache read-only capability registers */
-	xhci->hcs_params1 = xhci_readl(xhci, &xhci->cap_regs->hcs_params1);
-	xhci->hcs_params2 = xhci_readl(xhci, &xhci->cap_regs->hcs_params2);
-	xhci->hcs_params3 = xhci_readl(xhci, &xhci->cap_regs->hcs_params3);
-	xhci->hcc_params = xhci_readl(xhci, &xhci->cap_regs->hc_capbase);
-	xhci->hci_version = HC_VERSION(xhci->hcc_params);
-	xhci->hcc_params = xhci_readl(xhci, &xhci->cap_regs->hcc_params);
-	xhci_print_registers(xhci);
-
-	get_quirks(dev, xhci);
-
-	/* Make sure the HC is halted. */
-	retval = xhci_halt(xhci);
-	if (retval)
-		goto error;
-
-	xhci_dbg(xhci, "Resetting HCD\n");
-	/* Reset the internal HC memory state and registers. */
-	retval = xhci_reset(xhci);
-	if (retval)
-		goto error;
-	xhci_dbg(xhci, "Reset complete\n");
-
-	temp = xhci_readl(xhci, &xhci->cap_regs->hcc_params);
-	if (HCC_64BIT_ADDR(temp)) {
-		xhci_dbg(xhci, "Enabling 64-bit DMA addresses.\n");
-		dma_set_mask(hcd->self.controller, DMA_BIT_MASK(64));
-	} else {
-		dma_set_mask(hcd->self.controller, DMA_BIT_MASK(32));
-	}
-
-	xhci_dbg(xhci, "Calling HCD init\n");
-	/* Initialize HCD and host controller data structures. */
-	retval = xhci_init(hcd);
-	if (retval)
-		goto error;
-	xhci_dbg(xhci, "Called HCD init\n");
-	return 0;
-error:
-	kfree(xhci);
-	return retval;
-}
-
 static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
 {
 	struct pci_dev		*pdev = to_pci_dev(dev);