]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/usb/host/ohci-omap.c
Merge branch 'master' of /usr/src/ntfs-2.6/
[linux-2.6-omap-h63xx.git] / drivers / usb / host / ohci-omap.c
index d8f3ba7ad52e2d9309da74ff0fb8badcdf0f239d..c9e29d80871194933651acf50605c445f6db7f90 100644 (file)
  * This file is licenced under the GPL.
  */
 
+#include <linux/signal.h>      /* SA_INTERRUPT */
+#include <linux/jiffies.h>
+#include <linux/platform_device.h>
+
 #include <asm/hardware.h>
 #include <asm/io.h>
 #include <asm/mach-types.h>
@@ -420,33 +424,31 @@ static const struct hc_driver ohci_omap_hc_driver = {
         */
        .hub_status_data =      ohci_hub_status_data,
        .hub_control =          ohci_hub_control,
-#ifdef CONFIG_USB_SUSPEND
-       .hub_suspend =          ohci_hub_suspend,
-       .hub_resume =           ohci_hub_resume,
+#ifdef CONFIG_PM
+       .bus_suspend =          ohci_bus_suspend,
+       .bus_resume =           ohci_bus_resume,
 #endif
        .start_port_reset =     ohci_start_port_reset,
 };
 
 /*-------------------------------------------------------------------------*/
 
-static int ohci_hcd_omap_drv_probe(struct device *dev)
+static int ohci_hcd_omap_drv_probe(struct platform_device *dev)
 {
-       return usb_hcd_omap_probe(&ohci_omap_hc_driver,
-                               to_platform_device(dev));
+       return usb_hcd_omap_probe(&ohci_omap_hc_driver, dev);
 }
 
-static int ohci_hcd_omap_drv_remove(struct device *dev)
+static int ohci_hcd_omap_drv_remove(struct platform_device *dev)
 {
-       struct platform_device  *pdev = to_platform_device(dev);
-       struct usb_hcd          *hcd = dev_get_drvdata(dev);
+       struct usb_hcd          *hcd = platform_get_drvdata(dev);
        struct ohci_hcd         *ohci = hcd_to_ohci (hcd);
 
-       usb_hcd_omap_remove(hcd, pdev);
+       usb_hcd_omap_remove(hcd, dev);
        if (ohci->transceiver) {
                (void) otg_set_host(ohci->transceiver, 0);
                put_device(ohci->transceiver->dev);
        }
-       dev_set_drvdata(dev, NULL);
+       platform_set_drvdata(dev, NULL);
 
        return 0;
 }
@@ -455,50 +457,32 @@ static int ohci_hcd_omap_drv_remove(struct device *dev)
 
 #ifdef CONFIG_PM
 
-static int ohci_omap_suspend(struct device *dev, pm_message_t message, u32 level)
+static int ohci_omap_suspend(struct platform_device *dev, pm_message_t message)
 {
-       struct ohci_hcd *ohci = hcd_to_ohci(dev_get_drvdata(dev));
-       int             status = -EINVAL;
-
-       if (level != SUSPEND_POWER_DOWN)
-               return 0;
-
-       down(&ohci_to_hcd(ohci)->self.root_hub->serialize);
-       status = ohci_hub_suspend(ohci_to_hcd(ohci));
-       if (status == 0) {
-               omap_ohci_clock_power(0);
-               ohci_to_hcd(ohci)->self.root_hub->state =
-                       USB_STATE_SUSPENDED;
-               ohci_to_hcd(ohci)->state = HC_STATE_SUSPENDED;
-               dev->power.power_state = PMSG_SUSPEND;
-       }
-       up(&ohci_to_hcd(ohci)->self.root_hub->serialize);
-       return status;
+       struct ohci_hcd *ohci = hcd_to_ohci(platform_get_drvdata(dev));
+
+       if (time_before(jiffies, ohci->next_statechange))
+               msleep(5);
+       ohci->next_statechange = jiffies;
+
+       omap_ohci_clock_power(0);
+       ohci_to_hcd(ohci)->state = HC_STATE_SUSPENDED;
+       dev->power.power_state = PMSG_SUSPEND;
+       return 0;
 }
 
-static int ohci_omap_resume(struct device *dev, u32 level)
+static int ohci_omap_resume(struct platform_device *dev)
 {
-       struct ohci_hcd *ohci = hcd_to_ohci(dev_get_drvdata(dev));
-       int             status = 0;
-
-       if (level != RESUME_POWER_ON)
-               return 0;
+       struct ohci_hcd *ohci = hcd_to_ohci(platform_get_drvdata(dev));
 
        if (time_before(jiffies, ohci->next_statechange))
                msleep(5);
        ohci->next_statechange = jiffies;
+
        omap_ohci_clock_power(1);
-#ifdef CONFIG_USB_SUSPEND
-       /* get extra cleanup even if remote wakeup isn't in use */
-       status = usb_resume_device(ohci_to_hcd(ohci)->self.root_hub);
-#else
-       down(&ohci_to_hcd(ohci)->self.root_hub->serialize);
-       status = ohci_hub_resume(ohci_to_hcd(ohci));
-       up(&ohci_to_hcd(ohci)->self.root_hub->serialize);
-#endif
-       if (status == 0)
-               dev->power.power_state = PMSG_ON;
-       return status;
+       dev->power.power_state = PMSG_ON;
+       usb_hcd_resume_root_hub(dev_get_drvdata(dev));
+       return 0;
 }
 
 #endif
@@ -508,15 +492,17 @@ static int ohci_omap_resume(struct device *dev, u32 level)
 /*
  * Driver definition to register with the OMAP bus
  */
-static struct device_driver ohci_hcd_omap_driver = {
-       .name           = "ohci",
-       .bus            = &platform_bus_type,
+static struct platform_driver ohci_hcd_omap_driver = {
        .probe          = ohci_hcd_omap_drv_probe,
        .remove         = ohci_hcd_omap_drv_remove,
 #ifdef CONFIG_PM
        .suspend        = ohci_omap_suspend,
        .resume         = ohci_omap_resume,
 #endif
+       .driver         = {
+               .owner  = THIS_MODULE,
+               .name   = "ohci",
+       },
 };
 
 static int __init ohci_hcd_omap_init (void)
@@ -528,12 +514,12 @@ static int __init ohci_hcd_omap_init (void)
        pr_debug("%s: block sizes: ed %Zd td %Zd\n", hcd_name,
                sizeof (struct ed), sizeof (struct td));
 
-       return driver_register(&ohci_hcd_omap_driver);
+       return platform_driver_register(&ohci_hcd_omap_driver);
 }
 
 static void __exit ohci_hcd_omap_cleanup (void)
 {
-       driver_unregister(&ohci_hcd_omap_driver);
+       platform_driver_unregister(&ohci_hcd_omap_driver);
 }
 
 module_init (ohci_hcd_omap_init);