Merge Paulus' tree

[karo-tx-linux.git] / drivers / usb / host / ohci-omap.c

diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index b62d69937694891b50746a7398141bd99d10d25b..e46cc540cf4d3153fb49d9b942dfdf5652dc4f76 100644 (file)
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -14,11 +14,14 @@
  * 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>
 
-#include <asm/arch/hardware.h>
 #include <asm/arch/mux.h>
 #include <asm/arch/irqs.h>
 #include <asm/arch/gpio.h>
@@ -421,9 +424,9 @@ 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,
 };
@@ -456,71 +459,32 @@ static int ohci_hcd_omap_drv_remove(struct device *dev)
 
 #ifdef CONFIG_PM
 
-/* states match PCI usage, always suspending the root hub except that
- * 4 ~= D3cold (ACPI D3) with clock off (resume sees reset).
- *
- * FIXME: above comment is not right, and code is wrong, too :-(.
- */
-
-static int ohci_omap_suspend(struct device *dev, pm_message_t state, u32 level)
+static int ohci_omap_suspend(struct 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;
-       if (state <= dev->power.power_state)
-               return 0;
-
-       dev_dbg(dev, "suspend to %d\n", state);
-       down(&ohci_to_hcd(ohci)->self.root_hub->serialize);
-       status = ohci_hub_suspend(ohci_to_hcd(ohci));
-       if (status == 0) {
-               if (state >= 4) {
-                       omap_ohci_clock_power(0);
-                       ohci_to_hcd(ohci)->self.root_hub->state =
-                                       USB_STATE_SUSPENDED;
-                       state = 4;
-               }
-               ohci_to_hcd(ohci)->state = HC_STATE_SUSPENDED;
-               dev->power.power_state = state;
-       }
-       up(&ohci_to_hcd(ohci)->self.root_hub->serialize);
-       return status;
+
+       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 device *dev)
 {
        struct ohci_hcd *ohci = hcd_to_ohci(dev_get_drvdata(dev));
-       int             status = 0;
-
-       if (level != RESUME_POWER_ON)
-               return 0;
-
-       switch (dev->power.power_state) {
-       case 0:
-               break;
-       case 4:
-               if (time_before(jiffies, ohci->next_statechange))
-                       msleep(5);
-               ohci->next_statechange = jiffies;
-               omap_ohci_clock_power(1);
-               /* FALLTHROUGH */
-       default:
-               dev_dbg(dev, "resume from %d\n", dev->power.power_state);
-#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 = 0;
-               break;
-       }
-       return status;
+
+       if (time_before(jiffies, ohci->next_statechange))
+               msleep(5);
+       ohci->next_statechange = jiffies;
+
+       omap_ohci_clock_power(1);
+       dev->power.power_state = PMSG_ON;
+       usb_hcd_resume_root_hub(dev_get_drvdata(dev));
+       return 0;
 }
 
 #endif
@@ -532,6 +496,7 @@ static int ohci_omap_resume(struct device *dev, u32 level)
  */
 static struct device_driver ohci_hcd_omap_driver = {
        .name           = "ohci",
+       .owner          = THIS_MODULE,
        .bus            = &platform_bus_type,
        .probe          = ohci_hcd_omap_drv_probe,
        .remove         = ohci_hcd_omap_drv_remove,