USB: EHCI: remove Loongson 1B EHCI driver.

The platform code registering the Loongson 1B EHCI driver has now been
converted to register the ehci-platform driver instead, thus obsoleting the
ehci-ls1x driver, which can be removed.
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>

drivers/usb/host/ehci-hcd.c

@@ -1319,11 +1319,6 @@ MODULE_LICENSE ("GPL");
 #define        PLATFORM_DRIVER         ehci_mv_driver
 #endif
 
-#ifdef CONFIG_MACH_LOONGSON1
-#include "ehci-ls1x.c"
-#define PLATFORM_DRIVER		ehci_ls1x_driver
-#endif
-
 #ifdef CONFIG_MIPS_SEAD3
 #include "ehci-sead3.c"
 #define	PLATFORM_DRIVER		ehci_hcd_sead3_driver

drivers/usb/host/ehci-ls1x.c

-/*
- *  Bus Glue for Loongson LS1X built-in EHCI controller.
- *
- *  Copyright (c) 2012 Zhang, Keguang <keguang.zhang@gmail.com>
- *
- *  This program is free software; you can redistribute it and/or modify it
- *  under the terms of the GNU General Public License version 2 as published
- *  by the Free Software Foundation.
- */
-
-
-#include <linux/platform_device.h>
-
-static int ehci_ls1x_reset(struct usb_hcd *hcd)
-{
-	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
-	int ret;
-
-	ehci->caps = hcd->regs;
-
-	ret = ehci_setup(hcd);
-	if (ret)
-		return ret;
-
-	ehci_port_power(ehci, 0);
-
-	return 0;
-}
-
-static const struct hc_driver ehci_ls1x_hc_driver = {
-	.description		= hcd_name,
-	.product_desc		= "LOONGSON1 EHCI",
-	.hcd_priv_size		= sizeof(struct ehci_hcd),
-
-	/*
-	 * generic hardware linkage
-	 */
-	.irq			= ehci_irq,
-	.flags			= HCD_MEMORY | HCD_USB2,
-
-	/*
-	 * basic lifecycle operations
-	 */
-	.reset			= ehci_ls1x_reset,
-	.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,
-	.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_ls1x_probe(struct platform_device *pdev)
-{
-	struct usb_hcd *hcd;
-	struct resource *res;
-	int irq;
-	int ret;
-
-	pr_debug("initializing loongson1 ehci USB Controller\n");
-
-	if (usb_disabled())
-		return -ENODEV;
-
-	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (!res) {
-		dev_err(&pdev->dev,
-			"Found HC with no IRQ. Check %s setup!\n",
-			dev_name(&pdev->dev));
-		return -ENODEV;
-	}
-	irq = res->start;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev,
-			"Found HC with no register addr. Check %s setup!\n",
-			dev_name(&pdev->dev));
-		return -ENODEV;
-	}
-
-	hcd = usb_create_hcd(&ehci_ls1x_hc_driver, &pdev->dev,
-				dev_name(&pdev->dev));
-	if (!hcd)
-		return -ENOMEM;
-	hcd->rsrc_start	= res->start;
-	hcd->rsrc_len	= resource_size(res);
-
-	hcd->regs = devm_request_and_ioremap(&pdev->dev, res);
-	if (hcd->regs == NULL) {
-		dev_dbg(&pdev->dev, "error mapping memory\n");
-		ret = -EFAULT;
-		goto err_put_hcd;
-	}
-
-	ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
-	if (ret)
-		goto err_put_hcd;
-
-	return ret;
-
-err_put_hcd:
-	usb_put_hcd(hcd);
-	return ret;
-}
-
-static int ehci_hcd_ls1x_remove(struct platform_device *pdev)
-{
-	struct usb_hcd *hcd = platform_get_drvdata(pdev);
-
-	usb_remove_hcd(hcd);
-	usb_put_hcd(hcd);
-
-	return 0;
-}
-
-static struct platform_driver ehci_ls1x_driver = {
-	.probe = ehci_hcd_ls1x_probe,
-	.remove = ehci_hcd_ls1x_remove,
-	.shutdown = usb_hcd_platform_shutdown,
-	.driver = {
-		.name = "ls1x-ehci",
-		.owner	= THIS_MODULE,
-	},
-};
-
-MODULE_ALIAS(PLATFORM_MODULE_PREFIX "ls1x-ehci");