mirror of https://gitee.com/openkylin/linux.git
USB: OHCI: remove Alchemy OHCI platform driver.
All users have been converted to use the OHCI platform driver instead, thus making ohci-au1xxx obsolete, remove it. Signed-off-by: Florian Fainelli <florian@openwrt.org> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Florian Fainelli
Greg Kroah-Hartman
parent
e223a4cca7
commit
bb5da43e45
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@ -1,234 +0,0 @@
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/*
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* OHCI HCD (Host Controller Driver) for USB.
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*
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* (C) Copyright 1999 Roman Weissgaerber <weissg@vienna.at>
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* (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
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* (C) Copyright 2002 Hewlett-Packard Company
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*
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* Bus Glue for AMD Alchemy Au1xxx
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*
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* Written by Christopher Hoover <ch@hpl.hp.com>
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* Based on fragments of previous driver by Russell King et al.
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*
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* Modified for LH7A404 from ohci-sa1111.c
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* by Durgesh Pattamatta <pattamattad@sharpsec.com>
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* Modified for AMD Alchemy Au1xxx
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* by Matt Porter <mporter@kernel.crashing.org>
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*
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* This file is licenced under the GPL.
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*/
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#include <linux/platform_device.h>
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#include <linux/signal.h>
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#include <asm/mach-au1x00/au1000.h>
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extern int usb_disabled(void);
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static int __devinit ohci_au1xxx_start(struct usb_hcd *hcd)
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{
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struct ohci_hcd *ohci = hcd_to_ohci(hcd);
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int ret;
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ohci_dbg(ohci, "ohci_au1xxx_start, ohci:%p", ohci);
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if ((ret = ohci_init(ohci)) < 0)
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return ret;
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if ((ret = ohci_run(ohci)) < 0) {
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dev_err(hcd->self.controller, "can't start %s",
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hcd->self.bus_name);
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ohci_stop(hcd);
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return ret;
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}
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return 0;
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}
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static const struct hc_driver ohci_au1xxx_hc_driver = {
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.description = hcd_name,
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.product_desc = "Au1xxx OHCI",
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.hcd_priv_size = sizeof(struct ohci_hcd),
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/*
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* generic hardware linkage
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*/
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.irq = ohci_irq,
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.flags = HCD_USB11 | HCD_MEMORY,
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/*
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* basic lifecycle operations
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*/
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.start = ohci_au1xxx_start,
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.stop = ohci_stop,
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.shutdown = ohci_shutdown,
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/*
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* managing i/o requests and associated device resources
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*/
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.urb_enqueue = ohci_urb_enqueue,
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.urb_dequeue = ohci_urb_dequeue,
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.endpoint_disable = ohci_endpoint_disable,
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/*
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* scheduling support
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*/
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.get_frame_number = ohci_get_frame,
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/*
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* root hub support
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*/
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.hub_status_data = ohci_hub_status_data,
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.hub_control = ohci_hub_control,
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#ifdef CONFIG_PM
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.bus_suspend = ohci_bus_suspend,
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.bus_resume = ohci_bus_resume,
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#endif
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.start_port_reset = ohci_start_port_reset,
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};
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static int ohci_hcd_au1xxx_drv_probe(struct platform_device *pdev)
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{
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int ret, unit;
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struct usb_hcd *hcd;
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if (usb_disabled())
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return -ENODEV;
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if (pdev->resource[1].flags != IORESOURCE_IRQ) {
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pr_debug("resource[1] is not IORESOURCE_IRQ\n");
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return -ENOMEM;
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}
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hcd = usb_create_hcd(&ohci_au1xxx_hc_driver, &pdev->dev, "au1xxx");
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if (!hcd)
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return -ENOMEM;
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hcd->rsrc_start = pdev->resource[0].start;
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hcd->rsrc_len = pdev->resource[0].end - pdev->resource[0].start + 1;
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if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
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pr_debug("request_mem_region failed\n");
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ret = -EBUSY;
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goto err1;
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}
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hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
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if (!hcd->regs) {
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pr_debug("ioremap failed\n");
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ret = -ENOMEM;
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goto err2;
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}
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unit = (hcd->rsrc_start == AU1300_USB_OHCI1_PHYS_ADDR) ?
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ALCHEMY_USB_OHCI1 : ALCHEMY_USB_OHCI0;
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if (alchemy_usb_control(unit, 1)) {
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printk(KERN_INFO "%s: controller init failed!\n", pdev->name);
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ret = -ENODEV;
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goto err3;
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}
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ohci_hcd_init(hcd_to_ohci(hcd));
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ret = usb_add_hcd(hcd, pdev->resource[1].start,
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IRQF_SHARED);
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if (ret == 0) {
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platform_set_drvdata(pdev, hcd);
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return ret;
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}
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alchemy_usb_control(unit, 0);
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err3:
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iounmap(hcd->regs);
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err2:
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release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
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err1:
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usb_put_hcd(hcd);
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return ret;
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}
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static int ohci_hcd_au1xxx_drv_remove(struct platform_device *pdev)
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{
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struct usb_hcd *hcd = platform_get_drvdata(pdev);
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int unit;
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unit = (hcd->rsrc_start == AU1300_USB_OHCI1_PHYS_ADDR) ?
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ALCHEMY_USB_OHCI1 : ALCHEMY_USB_OHCI0;
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usb_remove_hcd(hcd);
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alchemy_usb_control(unit, 0);
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iounmap(hcd->regs);
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release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
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usb_put_hcd(hcd);
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platform_set_drvdata(pdev, NULL);
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return 0;
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}
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#ifdef CONFIG_PM
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static int ohci_hcd_au1xxx_drv_suspend(struct device *dev)
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{
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struct usb_hcd *hcd = dev_get_drvdata(dev);
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struct ohci_hcd *ohci = hcd_to_ohci(hcd);
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unsigned long flags;
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int rc;
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rc = 0;
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/* Root hub was already suspended. Disable irq emission and
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* mark HW unaccessible, bail out if RH has been resumed. Use
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* the spinlock to properly synchronize with possible pending
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* RH suspend or resume activity.
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*/
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spin_lock_irqsave(&ohci->lock, flags);
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if (ohci->rh_state != OHCI_RH_SUSPENDED) {
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rc = -EINVAL;
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goto bail;
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}
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ohci_writel(ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable);
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(void)ohci_readl(ohci, &ohci->regs->intrdisable);
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clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
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alchemy_usb_control(ALCHEMY_USB_OHCI0, 0);
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bail:
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spin_unlock_irqrestore(&ohci->lock, flags);
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return rc;
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}
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static int ohci_hcd_au1xxx_drv_resume(struct device *dev)
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{
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struct usb_hcd *hcd = dev_get_drvdata(dev);
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alchemy_usb_control(ALCHEMY_USB_OHCI0, 1);
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set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
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ohci_finish_controller_resume(hcd);
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return 0;
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}
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static const struct dev_pm_ops au1xxx_ohci_pmops = {
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.suspend = ohci_hcd_au1xxx_drv_suspend,
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.resume = ohci_hcd_au1xxx_drv_resume,
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};
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#define AU1XXX_OHCI_PMOPS &au1xxx_ohci_pmops
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#else
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#define AU1XXX_OHCI_PMOPS NULL
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#endif
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static struct platform_driver ohci_hcd_au1xxx_driver = {
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.probe = ohci_hcd_au1xxx_drv_probe,
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.remove = ohci_hcd_au1xxx_drv_remove,
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.shutdown = usb_hcd_platform_shutdown,
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.driver = {
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.name = "au1xxx-ohci",
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.owner = THIS_MODULE,
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.pm = AU1XXX_OHCI_PMOPS,
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},
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};
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MODULE_ALIAS("platform:au1xxx-ohci");
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@ -1130,11 +1130,6 @@ MODULE_LICENSE ("GPL");
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#define PLATFORM_DRIVER ohci_hcd_ep93xx_driver
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#endif
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#ifdef CONFIG_MIPS_ALCHEMY
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#include "ohci-au1xxx.c"
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#define PLATFORM_DRIVER ohci_hcd_au1xxx_driver
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#endif
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#ifdef CONFIG_ARCH_AT91
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#include "ohci-at91.c"
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#define PLATFORM_DRIVER ohci_hcd_at91_driver
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