1 files changed, 48 insertions, 54 deletions

diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index 764e0100b6f4..58fa0c90c7c7 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -18,9 +18,21 @@
  *
  * Licensed under the GNU/GPL. See COPYING for details.
  */
+#include <linux/kernel.h>
+#include <linux/hrtimer.h>
+#include <linux/io.h>
+#include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/usb.h>
+#include <linux/usb/hcd.h>
 #include <linux/usb/ehci_pdriver.h>
 
+#include "ehci.h"
+
+#define DRIVER_DESC "EHCI generic platform driver"
+
+static const char hcd_name[] = "ehci-platform";
+
 static int ehci_platform_reset(struct usb_hcd *hcd)
 {
         struct platform_device *pdev = to_platform_device(hcd->self.controller);
@@ -38,47 +50,18 @@ static int ehci_platform_reset(struct usb_hcd *hcd)
         if (retval)
                 return retval;
 
-        if (pdata->port_power_on)
-                ehci_port_power(ehci, 1);
-        if (pdata->port_power_off)
-                ehci_port_power(ehci, 0);
-
+        if (pdata->no_io_watchdog)
+                ehci->need_io_watchdog = 0;
         return 0;
 }
 
-static const struct hc_driver ehci_platform_hc_driver = {
-        .description            = hcd_name,
-        .product_desc           = "Generic Platform EHCI Controller",
-        .hcd_priv_size          = sizeof(struct ehci_hcd),
-
-        .irq                    = ehci_irq,
-        .flags                  = HCD_MEMORY | HCD_USB2,
-
-        .reset                  = ehci_platform_reset,
-        .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,
+static struct hc_driver __read_mostly ehci_platform_hc_driver;
 
-        .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 const struct ehci_driver_overrides platform_overrides __initdata = {
+        .reset =        ehci_platform_reset,
 };
 
-static int __devinit ehci_platform_probe(struct platform_device *dev)
+static int ehci_platform_probe(struct platform_device *dev)
 {
         struct usb_hcd *hcd;
         struct resource *res_mem;
@@ -96,12 +79,12 @@ static int __devinit ehci_platform_probe(struct platform_device *dev)
 
         irq = platform_get_irq(dev, 0);
         if (irq < 0) {
-                pr_err("no irq provided");
+                dev_err(&dev->dev, "no irq provided");
                 return irq;
         }
         res_mem = platform_get_resource(dev, IORESOURCE_MEM, 0);
         if (!res_mem) {
-                pr_err("no memory recourse provided");
+                dev_err(&dev->dev, "no memory resource provided");
                 return -ENXIO;
         }
 
@@ -121,29 +104,19 @@ static int __devinit ehci_platform_probe(struct platform_device *dev)
         hcd->rsrc_start = res_mem->start;
         hcd->rsrc_len = resource_size(res_mem);
 
-        if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
-                pr_err("controller already in use");
-                err = -EBUSY;
-                goto err_put_hcd;
-        }
-
-        hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len);
+        hcd->regs = devm_request_and_ioremap(&dev->dev, res_mem);
         if (!hcd->regs) {
                 err = -ENOMEM;
-                goto err_release_region;
+                goto err_put_hcd;
         }
         err = usb_add_hcd(hcd, irq, IRQF_SHARED);
         if (err)
-                goto err_iounmap;
+                goto err_put_hcd;
 
         platform_set_drvdata(dev, hcd);
 
         return err;
 
-err_iounmap:
-        iounmap(hcd->regs);
-err_release_region:
-        release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
 err_put_hcd:
         usb_put_hcd(hcd);
 err_power:
@@ -153,14 +126,12 @@ err_power:
         return err;
 }
 
-static int __devexit ehci_platform_remove(struct platform_device *dev)
+static int ehci_platform_remove(struct platform_device *dev)
 {
         struct usb_hcd *hcd = platform_get_drvdata(dev);
         struct usb_ehci_pdata *pdata = dev->dev.platform_data;
 
         usb_remove_hcd(hcd);
-        iounmap(hcd->regs);
-        release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
         usb_put_hcd(hcd);
         platform_set_drvdata(dev, NULL);
 
@@ -225,7 +196,7 @@ static const struct dev_pm_ops ehci_platform_pm_ops = {
 static struct platform_driver ehci_platform_driver = {
         .id_table       = ehci_platform_table,
         .probe          = ehci_platform_probe,
-        .remove         = __devexit_p(ehci_platform_remove),
+        .remove         = ehci_platform_remove,
         .shutdown       = usb_hcd_platform_shutdown,
         .driver         = {
                 .owner  = THIS_MODULE,
@@ -233,3 +204,26 @@ static struct platform_driver ehci_platform_driver = {
                 .pm     = &ehci_platform_pm_ops,
         }
 };
+
+static int __init ehci_platform_init(void)
+{
+        if (usb_disabled())
+                return -ENODEV;
+
+        pr_info("%s: " DRIVER_DESC "\n", hcd_name);
+
+        ehci_init_driver(&ehci_platform_hc_driver, &platform_overrides);
+        return platform_driver_register(&ehci_platform_driver);
+}
+module_init(ehci_platform_init);
+
+static void __exit ehci_platform_cleanup(void)
+{
+        platform_driver_unregister(&ehci_platform_driver);
+}
+module_exit(ehci_platform_cleanup);
+
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_AUTHOR("Hauke Mehrtens");
+MODULE_AUTHOR("Alan Stern");
+MODULE_LICENSE("GPL");