Merge branch 'for-linus-dma-masks' of git://git.linaro.org/people/rmk/linux-arm
[cascardo/linux.git] / drivers / usb / host / ohci-omap3.c
index db9bd6b..2145741 100644 (file)
  *     - add kernel-doc
  */
 
+#include <linux/dma-mapping.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/usb/otg.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
-#include <linux/of.h>
-#include <linux/dma-mapping.h>
-
-/*-------------------------------------------------------------------------*/
-
-static int ohci_omap3_init(struct usb_hcd *hcd)
-{
-       dev_dbg(hcd->self.controller, "starting OHCI controller\n");
-
-       return ohci_init(hcd_to_ohci(hcd));
-}
-
-/*-------------------------------------------------------------------------*/
-
-static int ohci_omap3_start(struct usb_hcd *hcd)
-{
-       struct ohci_hcd *ohci = hcd_to_ohci(hcd);
-       int ret;
-
-       /*
-        * RemoteWakeupConnected has to be set explicitly before
-        * calling ohci_run. The reset value of RWC is 0.
-        */
-       ohci->hc_control = OHCI_CTRL_RWC;
-       writel(OHCI_CTRL_RWC, &ohci->regs->control);
-
-       ret = ohci_run(ohci);
-
-       if (ret < 0) {
-               dev_err(hcd->self.controller, "can't start\n");
-               ohci_stop(hcd);
-       }
+#include <linux/usb.h>
+#include <linux/usb/hcd.h>
 
-       return ret;
-}
+#include "ohci.h"
 
-/*-------------------------------------------------------------------------*/
+#define DRIVER_DESC "OHCI OMAP3 driver"
 
-static const struct hc_driver ohci_omap3_hc_driver = {
-       .description =          hcd_name,
-       .product_desc =         "OMAP3 OHCI Host Controller",
-       .hcd_priv_size =        sizeof(struct ohci_hcd),
-
-       /*
-        * generic hardware linkage
-        */
-       .irq =                  ohci_irq,
-       .flags =                HCD_USB11 | HCD_MEMORY,
-
-       /*
-        * basic lifecycle operations
-        */
-       .reset =                ohci_omap3_init,
-       .start =                ohci_omap3_start,
-       .stop =                 ohci_stop,
-       .shutdown =             ohci_shutdown,
-
-       /*
-        * managing i/o requests and associated device resources
-        */
-       .urb_enqueue =          ohci_urb_enqueue,
-       .urb_dequeue =          ohci_urb_dequeue,
-       .endpoint_disable =     ohci_endpoint_disable,
-
-       /*
-        * scheduling support
-        */
-       .get_frame_number =     ohci_get_frame,
-
-       /*
-        * root hub support
-        */
-       .hub_status_data =      ohci_hub_status_data,
-       .hub_control =          ohci_hub_control,
-#ifdef CONFIG_PM
-       .bus_suspend =          ohci_bus_suspend,
-       .bus_resume =           ohci_bus_resume,
-#endif
-       .start_port_reset =     ohci_start_port_reset,
-};
-
-/*-------------------------------------------------------------------------*/
+static const char hcd_name[] = "ohci-omap3";
+static struct hc_driver __read_mostly ohci_omap3_hc_driver;
 
 /*
  * configure so an HC device and id are always provided
@@ -129,6 +61,7 @@ static const struct hc_driver ohci_omap3_hc_driver = {
 static int ohci_hcd_omap3_probe(struct platform_device *pdev)
 {
        struct device           *dev = &pdev->dev;
+       struct ohci_hcd         *ohci;
        struct usb_hcd          *hcd = NULL;
        void __iomem            *regs = NULL;
        struct resource         *res;
@@ -185,7 +118,12 @@ static int ohci_hcd_omap3_probe(struct platform_device *pdev)
        pm_runtime_enable(dev);
        pm_runtime_get_sync(dev);
 
-       ohci_hcd_init(hcd_to_ohci(hcd));
+       ohci = hcd_to_ohci(hcd);
+       /*
+        * RemoteWakeupConnected has to be set explicitly before
+        * calling ohci_run. The reset value of RWC is 0.
+        */
+       ohci->hc_control = OHCI_CTRL_RWC;
 
        ret = usb_add_hcd(hcd, irq, 0);
        if (ret) {
@@ -248,5 +186,25 @@ static struct platform_driver ohci_hcd_omap3_driver = {
        },
 };
 
+static int __init ohci_omap3_init(void)
+{
+       if (usb_disabled())
+               return -ENODEV;
+
+       pr_info("%s: " DRIVER_DESC "\n", hcd_name);
+
+       ohci_init_driver(&ohci_omap3_hc_driver, NULL);
+       return platform_driver_register(&ohci_hcd_omap3_driver);
+}
+module_init(ohci_omap3_init);
+
+static void __exit ohci_omap3_cleanup(void)
+{
+       platform_driver_unregister(&ohci_hcd_omap3_driver);
+}
+module_exit(ohci_omap3_cleanup);
+
+MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_ALIAS("platform:ohci-omap3");
 MODULE_AUTHOR("Anand Gadiyar <gadiyar@ti.com>");
+MODULE_LICENSE("GPL");