USB: EHCI: remove IXP4xx EHCI driver

This driver is not registered by any in-tree user. If needed it the EHCI
driver can be reinstatied using the ehci-platform driver with caps_offset to
0x100.

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>

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 61eac96..0122700 100644 (file)
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1249,11 +1249,6 @@ MODULE_LICENSE ("GPL");
 #define        PLATFORM_DRIVER         ehci_orion_driver
 #endif
 
-#ifdef CONFIG_ARCH_IXP4XX
-#include "ehci-ixp4xx.c"
-#define        PLATFORM_DRIVER         ixp4xx_ehci_driver
-#endif
-
 #ifdef CONFIG_USB_W90X900_EHCI
 #include "ehci-w90x900.c"
 #define        PLATFORM_DRIVER         ehci_hcd_w90x900_driver

diff --git a/drivers/usb/host/ehci-ixp4xx.c b/drivers/usb/host/ehci-ixp4xx.c
deleted file mode 100644 (file)
index f224c0a..0000000
--- a/drivers/usb/host/ehci-ixp4xx.c
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * IXP4XX EHCI Host Controller Driver
- *
- * Author: Vladimir Barinov <vbarinov@embeddedalley.com>
- *
- * Based on "ehci-fsl.c" by Randy Vinson <rvinson@mvista.com>
- *
- * 2007 (c) MontaVista Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-
-#include <linux/platform_device.h>
-
-static int ixp4xx_ehci_init(struct usb_hcd *hcd)
-{
-       struct ehci_hcd *ehci = hcd_to_ehci(hcd);
-       int retval = 0;
-
-       ehci->big_endian_desc = 1;
-       ehci->big_endian_mmio = 1;
-
-       ehci->caps = hcd->regs + 0x100;
-
-       hcd->has_tt = 1;
-
-       retval = ehci_setup(hcd);
-       if (retval)
-               return retval;
-
-       ehci_port_power(ehci, 0);
-
-       return retval;
-}
-
-static const struct hc_driver ixp4xx_ehci_hc_driver = {
-       .description            = hcd_name,
-       .product_desc           = "IXP4XX EHCI Host Controller",
-       .hcd_priv_size          = sizeof(struct ehci_hcd),
-       .irq                    = ehci_irq,
-       .flags                  = HCD_MEMORY | HCD_USB2,
-       .reset                  = ixp4xx_ehci_init,
-       .start                  = ehci_run,
-       .stop                   = ehci_stop,
-       .shutdown               = ehci_shutdown,
-       .urb_enqueue            = ehci_urb_enqueue,
-       .urb_dequeue            = ehci_urb_dequeue,
-       .endpoint_disable       = ehci_endpoint_disable,
-       .endpoint_reset         = ehci_endpoint_reset,
-       .get_frame_number       = ehci_get_frame,
-       .hub_status_data        = ehci_hub_status_data,
-       .hub_control            = ehci_hub_control,
-#if defined(CONFIG_PM)
-       .bus_suspend            = ehci_bus_suspend,
-       .bus_resume             = ehci_bus_resume,
-#endif
-       .relinquish_port        = ehci_relinquish_port,
-       .port_handed_over       = ehci_port_handed_over,
-
-       .clear_tt_buffer_complete       = ehci_clear_tt_buffer_complete,
-};
-
-static int ixp4xx_ehci_probe(struct platform_device *pdev)
-{
-       struct usb_hcd *hcd;
-       const struct hc_driver *driver = &ixp4xx_ehci_hc_driver;
-       struct resource *res;
-       int irq;
-       int retval;
-
-       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;
-
-       hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
-       if (!hcd) {
-               retval = -ENOMEM;
-               goto fail_create_hcd;
-       }
-
-       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));
-               retval = -ENODEV;
-               goto fail_request_resource;
-       }
-       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");
-               retval = -EFAULT;
-               goto fail_request_resource;
-       }
-
-       retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
-       if (retval)
-               goto fail_request_resource;
-
-       return retval;
-
-fail_request_resource:
-       usb_put_hcd(hcd);
-fail_create_hcd:
-       dev_err(&pdev->dev, "init %s fail, %d\n", dev_name(&pdev->dev), retval);
-       return retval;
-}
-
-static int ixp4xx_ehci_remove(struct platform_device *pdev)
-{
-       struct usb_hcd *hcd = platform_get_drvdata(pdev);
-
-       usb_remove_hcd(hcd);
-       usb_put_hcd(hcd);
-
-       return 0;
-}
-
-MODULE_ALIAS("platform:ixp4xx-ehci");
-
-static struct platform_driver ixp4xx_ehci_driver = {
-       .probe = ixp4xx_ehci_probe,
-       .remove = ixp4xx_ehci_remove,
-       .driver = {
-               .name = "ixp4xx-ehci",
-       },
-};