From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx> Signed-off-by: Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx> --- drivers/usb/host/xhci-pci.c | 91 ------------------------------------------- drivers/usb/host/xhci.c | 89 ++++++++++++++++++++++++++++++++++++++++++ drivers/usb/host/xhci.h | 2 + 3 files changed, 91 insertions(+), 91 deletions(-) diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index ca56af5..e2c82d1 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); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index a8c3e8a..2409bbe 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3944,6 +3944,95 @@ int xhci_get_frame(struct usb_hcd *hcd) return xhci_readl(xhci, &xhci->run_regs->microframe_index) >> 3; } +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; +} + MODULE_DESCRIPTION(DRIVER_DESC); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_LICENSE("GPL"); diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 4050656..ad11c38 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1647,6 +1647,7 @@ void xhci_unregister_pci(void); #endif /* xHCI host controller glue */ +typedef void (*xhci_get_quirks_t)(struct device *, struct xhci_hcd *); void xhci_quiesce(struct xhci_hcd *xhci); int xhci_halt(struct xhci_hcd *xhci); int xhci_reset(struct xhci_hcd *xhci); @@ -1654,6 +1655,7 @@ int xhci_init(struct usb_hcd *hcd); int xhci_run(struct usb_hcd *hcd); void xhci_stop(struct usb_hcd *hcd); void xhci_shutdown(struct usb_hcd *hcd); +int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks); #ifdef CONFIG_PM int xhci_suspend(struct xhci_hcd *xhci); -- 1.7.7 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html