USB: EHCI: remove Alchemy EHCI driver

The platform code has been converted to use the ehci-platform driver instead
thus obsoleting the ehci-au1xxx driver, which can be removed.
Signed-off-by: NFlorian Fainelli <florian@openwrt.org>
Acked-by: NAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/host/ehci-au1xxx.c

-/*
- * EHCI HCD (Host Controller Driver) for USB.
- *
- * Bus Glue for AMD Alchemy Au1xxx
- *
- * Based on "ohci-au1xxx.c" by Matt Porter <mporter@kernel.crashing.org>
- *
- * Modified for AMD Alchemy Au1200 EHC
- *  by K.Boge <karsten.boge@amd.com>
- *
- * This file is licenced under the GPL.
- */
-
-#include <linux/platform_device.h>
-#include <asm/mach-au1x00/au1000.h>
-
-
-extern int usb_disabled(void);
-
-static int au1xxx_ehci_setup(struct usb_hcd *hcd)
-{
-	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
-	int ret;
-
-	ehci->caps = hcd->regs;
-	ret = ehci_setup(hcd);
-
-	ehci->need_io_watchdog = 0;
-	return ret;
-}
-
-static const struct hc_driver ehci_au1xxx_hc_driver = {
-	.description		= hcd_name,
-	.product_desc		= "Au1xxx EHCI",
-	.hcd_priv_size		= sizeof(struct ehci_hcd),
-
-	/*
-	 * generic hardware linkage
-	 */
-	.irq			= ehci_irq,
-	.flags			= HCD_MEMORY | HCD_USB2,
-
-	/*
-	 * basic lifecycle operations
-	 *
-	 * FIXME -- ehci_init() doesn't do enough here.
-	 * See ehci-ppc-soc for a complete implementation.
-	 */
-	.reset			= au1xxx_ehci_setup,
-	.start			= ehci_run,
-	.stop			= ehci_stop,
-	.shutdown		= ehci_shutdown,
-
-	/*
-	 * managing i/o requests and associated device resources
-	 */
-	.urb_enqueue		= ehci_urb_enqueue,
-	.urb_dequeue		= ehci_urb_dequeue,
-	.endpoint_disable	= ehci_endpoint_disable,
-	.endpoint_reset		= ehci_endpoint_reset,
-
-	/*
-	 * scheduling support
-	 */
-	.get_frame_number	= ehci_get_frame,
-
-	/*
-	 * root hub support
-	 */
-	.hub_status_data	= ehci_hub_status_data,
-	.hub_control		= ehci_hub_control,
-	.bus_suspend		= ehci_bus_suspend,
-	.bus_resume		= ehci_bus_resume,
-	.relinquish_port	= ehci_relinquish_port,
-	.port_handed_over	= ehci_port_handed_over,
-
-	.clear_tt_buffer_complete	= ehci_clear_tt_buffer_complete,
-};
-
-static int ehci_hcd_au1xxx_drv_probe(struct platform_device *pdev)
-{
-	struct usb_hcd *hcd;
-	struct resource *res;
-	int ret;
-
-	if (usb_disabled())
-		return -ENODEV;
-
-	if (pdev->resource[1].flags != IORESOURCE_IRQ) {
-		pr_debug("resource[1] is not IORESOURCE_IRQ");
-		return -ENOMEM;
-	}
-	hcd = usb_create_hcd(&ehci_au1xxx_hc_driver, &pdev->dev, "Au1xxx");
-	if (!hcd)
-		return -ENOMEM;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	hcd->rsrc_start = res->start;
-	hcd->rsrc_len = resource_size(res);
-
-	hcd->regs = devm_request_and_ioremap(&pdev->dev, res);
-	if (!hcd->regs) {
-		pr_debug("devm_request_and_ioremap failed");
-		ret = -ENOMEM;
-		goto err1;
-	}
-
-	if (alchemy_usb_control(ALCHEMY_USB_EHCI0, 1)) {
-		printk(KERN_INFO "%s: controller init failed!\n", pdev->name);
-		ret = -ENODEV;
-		goto err1;
-	}
-
-	ret = usb_add_hcd(hcd, pdev->resource[1].start,
-			  IRQF_SHARED);
-	if (ret == 0) {
-		platform_set_drvdata(pdev, hcd);
-		return ret;
-	}
-
-	alchemy_usb_control(ALCHEMY_USB_EHCI0, 0);
-err1:
-	usb_put_hcd(hcd);
-	return ret;
-}
-
-static int ehci_hcd_au1xxx_drv_remove(struct platform_device *pdev)
-{
-	struct usb_hcd *hcd = platform_get_drvdata(pdev);
-
-	usb_remove_hcd(hcd);
-	alchemy_usb_control(ALCHEMY_USB_EHCI0, 0);
-	usb_put_hcd(hcd);
-	platform_set_drvdata(pdev, NULL);
-
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static int ehci_hcd_au1xxx_drv_suspend(struct device *dev)
-{
-	struct usb_hcd *hcd = dev_get_drvdata(dev);
-	bool do_wakeup = device_may_wakeup(dev);
-	int rc;
-
-	rc = ehci_suspend(hcd, do_wakeup);
-	alchemy_usb_control(ALCHEMY_USB_EHCI0, 0);
-
-	return rc;
-}
-
-static int ehci_hcd_au1xxx_drv_resume(struct device *dev)
-{
-	struct usb_hcd *hcd = dev_get_drvdata(dev);
-
-	alchemy_usb_control(ALCHEMY_USB_EHCI0, 1);
-	ehci_resume(hcd, false);
-
-	return 0;
-}
-
-static const struct dev_pm_ops au1xxx_ehci_pmops = {
-	.suspend	= ehci_hcd_au1xxx_drv_suspend,
-	.resume		= ehci_hcd_au1xxx_drv_resume,
-};
-
-#define AU1XXX_EHCI_PMOPS &au1xxx_ehci_pmops
-
-#else
-#define AU1XXX_EHCI_PMOPS NULL
-#endif
-
-static struct platform_driver ehci_hcd_au1xxx_driver = {
-	.probe		= ehci_hcd_au1xxx_drv_probe,
-	.remove		= ehci_hcd_au1xxx_drv_remove,
-	.shutdown	= usb_hcd_platform_shutdown,
-	.driver = {
-		.name	= "au1xxx-ehci",
-		.owner	= THIS_MODULE,
-		.pm	= AU1XXX_EHCI_PMOPS,
-	}
-};
-
-MODULE_ALIAS("platform:au1xxx-ehci");

drivers/usb/host/ehci-hcd.c

@@ -1219,11 +1219,6 @@ MODULE_LICENSE ("GPL");
 #define PLATFORM_DRIVER		ehci_hcd_sh_driver
 #endif
 
-#ifdef CONFIG_MIPS_ALCHEMY
-#include "ehci-au1xxx.c"
-#define	PLATFORM_DRIVER		ehci_hcd_au1xxx_driver
-#endif
-
 #ifdef CONFIG_USB_EHCI_HCD_OMAP
 #include "ehci-omap.c"
 #define        PLATFORM_DRIVER         ehci_hcd_omap_driver