20 files changed, 69 insertions, 23 deletions

diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index fa36391fedd3..edf4300a3f7a 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -413,4 +413,20 @@ EXPORT_SYMBOL (usb_hcd_pci_resume);
 
 #endif  /* CONFIG_PM */
 
+/**
+ * usb_hcd_pci_shutdown - shutdown host controller
+ * @dev: USB Host Controller being shutdown
+ */
+void usb_hcd_pci_shutdown (struct pci_dev *dev)
+{
+        struct usb_hcd          *hcd;
+
+        hcd = pci_get_drvdata(dev);
+        if (!hcd)
+                return;
+
+        if (hcd->driver->shutdown)
+                hcd->driver->shutdown(hcd);
+}
+EXPORT_SYMBOL (usb_hcd_pci_shutdown);
 
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index fb4d058bbde0..dc9628c58933 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -36,6 +36,7 @@
 #include <linux/mutex.h>
 #include <asm/irq.h>
 #include <asm/byteorder.h>
+#include <linux/platform_device.h>
 
 #include <linux/usb.h>
 
@@ -1915,6 +1916,16 @@ void usb_remove_hcd(struct usb_hcd *hcd)
 }
 EXPORT_SYMBOL (usb_remove_hcd);
 
+void
+usb_hcd_platform_shutdown(struct platform_device* dev)
+{
+        struct usb_hcd *hcd = platform_get_drvdata(dev);
+
+        if (hcd->driver->shutdown)
+                hcd->driver->shutdown(hcd);
+}
+EXPORT_SYMBOL (usb_hcd_platform_shutdown);
+
 /*-------------------------------------------------------------------------*/
 
 #if defined(CONFIG_USB_MON)
diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h
index 7022aafb2ae8..58c7767bc904 100644
--- a/drivers/usb/core/hcd.h
+++ b/drivers/usb/core/hcd.h
@@ -192,6 +192,9 @@ struct hc_driver {
         /* cleanly make HCD stop writing memory and doing I/O */
         void    (*stop) (struct usb_hcd *hcd);
 
+        /* shutdown HCD */
+        void    (*shutdown) (struct usb_hcd *hcd);
+
         /* return current frame number */
         int     (*get_frame_number) (struct usb_hcd *hcd);
 
@@ -227,6 +230,9 @@ extern int usb_add_hcd(struct usb_hcd *hcd,
                 unsigned int irqnum, unsigned long irqflags);
 extern void usb_remove_hcd(struct usb_hcd *hcd);
 
+struct platform_device;
+extern void usb_hcd_platform_shutdown(struct platform_device* dev);
+
 #ifdef CONFIG_PCI
 struct pci_dev;
 struct pci_device_id;
@@ -239,6 +245,8 @@ extern int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t state);
 extern int usb_hcd_pci_resume (struct pci_dev *dev);
 #endif /* CONFIG_PM */
 
+extern void usb_hcd_pci_shutdown (struct pci_dev *dev);
+
 #endif /* CONFIG_PCI */
 
 /* pci-ish (pdev null is ok) buffer alloc/mapping support */
diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c
index 26ed757d22a6..5d1b12aad776 100644
--- a/drivers/usb/host/ehci-au1xxx.c
+++ b/drivers/usb/host/ehci-au1xxx.c
@@ -200,6 +200,7 @@ static const struct hc_driver ehci_au1xxx_hc_driver = {
         .reset = ehci_init,
         .start = ehci_run,
         .stop = ehci_stop,
+        .shutdown = ehci_shutdown,
 
         /*
          * managing i/o requests and associated device resources
@@ -268,6 +269,7 @@ MODULE_ALIAS("au1xxx-ehci");
 static struct platform_driver ehci_hcd_au1xxx_driver = {
         .probe = ehci_hcd_au1xxx_drv_probe,
         .remove = ehci_hcd_au1xxx_drv_remove,
+        .shutdown = usb_hcd_platform_shutdown,
         /*.suspend      = ehci_hcd_au1xxx_drv_suspend, */
         /*.resume       = ehci_hcd_au1xxx_drv_resume, */
         .driver = {
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index d030516edfb9..1a915e982c1c 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -285,6 +285,7 @@ static const struct hc_driver ehci_fsl_hc_driver = {
         .resume = ehci_bus_resume,
 #endif
         .stop = ehci_stop,
+        .shutdown = ehci_shutdown,
 
         /*
          * managing i/o requests and associated device resources
@@ -329,6 +330,7 @@ MODULE_ALIAS("fsl-ehci");
 static struct platform_driver ehci_fsl_driver = {
         .probe = ehci_fsl_drv_probe,
         .remove = ehci_fsl_drv_remove,
+        .shutdown = usb_hcd_platform_shutdown,
         .driver = {
                    .name = "fsl-ehci",
                    },
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index d63177a8eaea..1c54b303e5fc 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -292,21 +292,20 @@ static void ehci_watchdog (unsigned long param)
         spin_unlock_irqrestore (&ehci->lock, flags);
 }
 
-/* Reboot notifiers kick in for silicon on any bus (not just pci, etc).
+/* ehci_shutdown kick in for silicon on any bus (not just pci, etc).
  * This forcibly disables dma and IRQs, helping kexec and other cases
  * where the next system software may expect clean state.
  */
-static int
-ehci_reboot (struct notifier_block *self, unsigned long code, void *null)
+static void
+ehci_shutdown (struct usb_hcd *hcd)
 {
-        struct ehci_hcd         *ehci;
+        struct ehci_hcd *ehci;
 
-        ehci = container_of (self, struct ehci_hcd, reboot_notifier);
+        ehci = hcd_to_ehci (hcd);
         (void) ehci_halt (ehci);
 
         /* make BIOS/etc use companion controller during reboot */
         writel (0, &ehci->regs->configured_flag);
-        return 0;
 }
 
 static void ehci_port_power (struct ehci_hcd *ehci, int is_on)
@@ -381,7 +380,6 @@ static void ehci_stop (struct usb_hcd *hcd)
 
         /* let companion controllers work when we aren't */
         writel (0, &ehci->regs->configured_flag);
-        unregister_reboot_notifier (&ehci->reboot_notifier);
 
         remove_debug_files (ehci);
 
@@ -483,9 +481,6 @@ static int ehci_init(struct usb_hcd *hcd)
         }
         ehci->command = temp;
 
-        ehci->reboot_notifier.notifier_call = ehci_reboot;
-        register_reboot_notifier(&ehci->reboot_notifier);
-
         return 0;
 }
 
@@ -499,7 +494,6 @@ static int ehci_run (struct usb_hcd *hcd)
 
         /* EHCI spec section 4.1 */
         if ((retval = ehci_reset(ehci)) != 0) {
-                unregister_reboot_notifier(&ehci->reboot_notifier);
                 ehci_mem_cleanup(ehci);
                 return retval;
         }
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 6967ab71e282..e6a3bcddd55b 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -338,6 +338,7 @@ static const struct hc_driver ehci_pci_hc_driver = {
         .resume =               ehci_pci_resume,
 #endif
         .stop =                 ehci_stop,
+        .shutdown =             ehci_shutdown,
 
         /*
          * managing i/o requests and associated device resources
@@ -384,4 +385,5 @@ static struct pci_driver ehci_pci_driver = {
         .suspend =      usb_hcd_pci_suspend,
         .resume =       usb_hcd_pci_resume,
 #endif
+        .shutdown =     usb_hcd_pci_shutdown,
 };
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 679c1cdcc915..1385ce2b3f0a 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -82,7 +82,6 @@ struct ehci_hcd {			/* one per controller */
         struct dma_pool         *sitd_pool;     /* sitd per split iso urb */
 
         struct timer_list       watchdog;
-        struct notifier_block   reboot_notifier;
         unsigned long           actions;
         unsigned                stamp;
         unsigned long           next_statechange;
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 33b75087bc0c..5a5bdf374d76 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -221,6 +221,7 @@ static const struct hc_driver ohci_at91_hc_driver = {
          */
         .start =                ohci_at91_start,
         .stop =                 ohci_stop,
+        .shutdown =             ohci_shutdown,
 
         /*
          * managing i/o requests and associated device resources
@@ -310,6 +311,7 @@ MODULE_ALIAS("at91_ohci");
 static struct platform_driver ohci_hcd_at91_driver = {
         .probe          = ohci_hcd_at91_drv_probe,
         .remove         = ohci_hcd_at91_drv_remove,
+        .shutdown       = usb_hcd_platform_shutdown,
         .suspend        = ohci_hcd_at91_drv_suspend,
         .resume         = ohci_hcd_at91_drv_resume,
         .driver         = {
diff --git a/drivers/usb/host/ohci-au1xxx.c b/drivers/usb/host/ohci-au1xxx.c
index 44ed3a4c01ef..24e23c5783d8 100644
--- a/drivers/usb/host/ohci-au1xxx.c
+++ b/drivers/usb/host/ohci-au1xxx.c
@@ -269,6 +269,7 @@ static const struct hc_driver ohci_au1xxx_hc_driver = {
          */
         .start =                ohci_au1xxx_start,
         .stop =                 ohci_stop,
+        .shutdown =             ohci_shutdown,
 
         /*
          * managing i/o requests and associated device resources
@@ -335,6 +336,7 @@ static int ohci_hcd_au1xxx_drv_resume(struct platform_device *dev)
 static struct platform_driver ohci_hcd_au1xxx_driver = {
         .probe          = ohci_hcd_au1xxx_drv_probe,
         .remove         = ohci_hcd_au1xxx_drv_remove,
+        .shutdown       = usb_hcd_platform_shutdown,
         /*.suspend      = ohci_hcd_au1xxx_drv_suspend, */
         /*.resume       = ohci_hcd_au1xxx_drv_resume, */
         .driver         = {
diff --git a/drivers/usb/host/ohci-ep93xx.c b/drivers/usb/host/ohci-ep93xx.c
index 1a1d320b7995..1bf5e7a4e735 100644
--- a/drivers/usb/host/ohci-ep93xx.c
+++ b/drivers/usb/host/ohci-ep93xx.c
@@ -128,6 +128,7 @@ static struct hc_driver ohci_ep93xx_hc_driver = {
         .flags                  = HCD_USB11 | HCD_MEMORY,
         .start                  = ohci_ep93xx_start,
         .stop                   = ohci_stop,
+        .shutdown               = ohci_shutdown,
         .urb_enqueue            = ohci_urb_enqueue,
         .urb_dequeue            = ohci_urb_dequeue,
         .endpoint_disable       = ohci_endpoint_disable,
@@ -203,6 +204,7 @@ static int ohci_hcd_ep93xx_drv_resume(struct platform_device *pdev)
 static struct platform_driver ohci_hcd_ep93xx_driver = {
         .probe          = ohci_hcd_ep93xx_drv_probe,
         .remove         = ohci_hcd_ep93xx_drv_remove,
+        .shutdown       = usb_hcd_platform_shutdown,
 #ifdef CONFIG_PM
         .suspend        = ohci_hcd_ep93xx_drv_suspend,
         .resume         = ohci_hcd_ep93xx_drv_resume,
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 7c3d8c60a60f..2c614af8f733 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -136,7 +136,6 @@ static const char	hcd_name [] = "ohci_hcd";
 static void ohci_dump (struct ohci_hcd *ohci, int verbose);
 static int ohci_init (struct ohci_hcd *ohci);
 static void ohci_stop (struct usb_hcd *hcd);
-static int ohci_reboot (struct notifier_block *, unsigned long , void *);
 
 #include "ohci-hub.c"
 #include "ohci-dbg.c"
@@ -419,21 +418,20 @@ static void ohci_usb_reset (struct ohci_hcd *ohci)
         ohci_writel (ohci, ohci->hc_control, &ohci->regs->control);
 }
 
-/* reboot notifier forcibly disables IRQs and DMA, helping kexec and
+/* ohci_shutdown forcibly disables IRQs and DMA, helping kexec and
  * other cases where the next software may expect clean state from the
  * "firmware".  this is bus-neutral, unlike shutdown() methods.
  */
-static int
-ohci_reboot (struct notifier_block *block, unsigned long code, void *null)
+static void
+ohci_shutdown (struct usb_hcd *hcd)
 {
         struct ohci_hcd *ohci;
 
-        ohci = container_of (block, struct ohci_hcd, reboot_notifier);
+        ohci = hcd_to_ohci (hcd);
         ohci_writel (ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable);
         ohci_usb_reset (ohci);
         /* flush the writes */
         (void) ohci_readl (ohci, &ohci->regs->control);
-        return 0;
 }
 
 /*-------------------------------------------------------------------------*
@@ -504,7 +502,6 @@ static int ohci_init (struct ohci_hcd *ohci)
         if ((ret = ohci_mem_init (ohci)) < 0)
                 ohci_stop (hcd);
         else {
-                register_reboot_notifier (&ohci->reboot_notifier);
                 create_debug_files (ohci);
         }
 
@@ -800,7 +797,6 @@ static void ohci_stop (struct usb_hcd *hcd)
         ohci_writel (ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable);
         
         remove_debug_files (ohci);
-        unregister_reboot_notifier (&ohci->reboot_notifier);
         ohci_mem_cleanup (ohci);
         if (ohci->hcca) {
                 dma_free_coherent (hcd->self.controller, 
diff --git a/drivers/usb/host/ohci-lh7a404.c b/drivers/usb/host/ohci-lh7a404.c
index f2c9161d6d6a..e121d97ed91c 100644
--- a/drivers/usb/host/ohci-lh7a404.c
+++ b/drivers/usb/host/ohci-lh7a404.c
@@ -174,6 +174,7 @@ static const struct hc_driver ohci_lh7a404_hc_driver = {
          */
         .start =                ohci_lh7a404_start,
         .stop =                 ohci_stop,
+        .shutdown =             ohci_shutdown,
 
         /*
          * managing i/o requests and associated device resources
@@ -241,6 +242,7 @@ static int ohci_hcd_lh7a404_drv_resume(struct platform_device *dev)
 static struct platform_driver ohci_hcd_lh7a404_driver = {
         .probe          = ohci_hcd_lh7a404_drv_probe,
         .remove         = ohci_hcd_lh7a404_drv_remove,
+        .shutdown       = usb_hcd_platform_shutdown,
         /*.suspend      = ohci_hcd_lh7a404_drv_suspend, */
         /*.resume       = ohci_hcd_lh7a404_drv_resume, */
         .driver         = {
diff --git a/drivers/usb/host/ohci-mem.c b/drivers/usb/host/ohci-mem.c
index bfbe328a4788..d976614eebd3 100644
--- a/drivers/usb/host/ohci-mem.c
+++ b/drivers/usb/host/ohci-mem.c
@@ -28,7 +28,6 @@ static void ohci_hcd_init (struct ohci_hcd *ohci)
         ohci->next_statechange = jiffies;
         spin_lock_init (&ohci->lock);
         INIT_LIST_HEAD (&ohci->pending);
-        ohci->reboot_notifier.notifier_call = ohci_reboot;
 }
 
 /*-------------------------------------------------------------------------*/
diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index 160cd4c58a03..9c02177de50a 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -447,6 +447,7 @@ static const struct hc_driver ohci_omap_hc_driver = {
         .reset =                ohci_omap_init,
         .start =                ohci_omap_start,
         .stop =                 ohci_omap_stop,
+        .shutdown =             ohci_shutdown,
 
         /*
          * managing i/o requests and associated device resources
@@ -532,6 +533,7 @@ static int ohci_omap_resume(struct platform_device *dev)
 static struct platform_driver ohci_hcd_omap_driver = {
         .probe          = ohci_hcd_omap_drv_probe,
         .remove         = ohci_hcd_omap_drv_remove,
+        .shutdown       = usb_hcd_platform_shutdown,
 #ifdef  CONFIG_PM
         .suspend        = ohci_omap_suspend,
         .resume         = ohci_omap_resume,
diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c
index ef874443aa9f..3732db7d68eb 100644
--- a/drivers/usb/host/ohci-pci.c
+++ b/drivers/usb/host/ohci-pci.c
@@ -177,6 +177,7 @@ static const struct hc_driver ohci_pci_hc_driver = {
         .reset =                ohci_pci_reset,
         .start =                ohci_pci_start,
         .stop =                 ohci_stop,
+        .shutdown =             ohci_shutdown,
 
 #ifdef  CONFIG_PM
         /* these suspend/resume entries are for upstream PCI glue ONLY */
@@ -232,6 +233,8 @@ static struct pci_driver ohci_pci_driver = {
         .suspend =      usb_hcd_pci_suspend,
         .resume =       usb_hcd_pci_resume,
 #endif
+
+        .shutdown =     usb_hcd_pci_shutdown,
 };
 
  
diff --git a/drivers/usb/host/ohci-ppc-soc.c b/drivers/usb/host/ohci-ppc-soc.c
index 270aaaad8c6d..d9d1ae236bd5 100644
--- a/drivers/usb/host/ohci-ppc-soc.c
+++ b/drivers/usb/host/ohci-ppc-soc.c
@@ -148,6 +148,7 @@ static const struct hc_driver ohci_ppc_soc_hc_driver = {
          */
         .start =                ohci_ppc_soc_start,
         .stop =                 ohci_stop,
+        .shutdown =             ohci_shutdown,
 
         /*
          * managing i/o requests and associated device resources
@@ -196,6 +197,7 @@ static int ohci_hcd_ppc_soc_drv_remove(struct platform_device *pdev)
 static struct platform_driver ohci_hcd_ppc_soc_driver = {
         .probe          = ohci_hcd_ppc_soc_drv_probe,
         .remove         = ohci_hcd_ppc_soc_drv_remove,
+        .shutdown       = usb_hcd_platform_shutdown,
 #ifdef  CONFIG_PM
         /*.suspend      = ohci_hcd_ppc_soc_drv_suspend,*/
         /*.resume       = ohci_hcd_ppc_soc_drv_resume,*/
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index 2752d36c2a78..e176b04d7aeb 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -270,6 +270,7 @@ static const struct hc_driver ohci_pxa27x_hc_driver = {
          */
         .start =                ohci_pxa27x_start,
         .stop =                 ohci_stop,
+        .shutdown =             ohci_shutdown,
 
         /*
          * managing i/o requests and associated device resources
@@ -358,6 +359,7 @@ static int ohci_hcd_pxa27x_drv_resume(struct platform_device *pdev)
 static struct platform_driver ohci_hcd_pxa27x_driver = {
         .probe          = ohci_hcd_pxa27x_drv_probe,
         .remove         = ohci_hcd_pxa27x_drv_remove,
+        .shutdown       = usb_hcd_platform_shutdown,
 #ifdef CONFIG_PM
         .suspend        = ohci_hcd_pxa27x_drv_suspend, 
         .resume         = ohci_hcd_pxa27x_drv_resume,
diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c
index cd37eddf7d42..59e436424d41 100644
--- a/drivers/usb/host/ohci-s3c2410.c
+++ b/drivers/usb/host/ohci-s3c2410.c
@@ -447,6 +447,7 @@ static const struct hc_driver ohci_s3c2410_hc_driver = {
          */
         .start =                ohci_s3c2410_start,
         .stop =                 ohci_stop,
+        .shutdown =             ohci_shutdown,
 
         /*
          * managing i/o requests and associated device resources
@@ -491,6 +492,7 @@ static int ohci_hcd_s3c2410_drv_remove(struct platform_device *pdev)
 static struct platform_driver ohci_hcd_s3c2410_driver = {
         .probe          = ohci_hcd_s3c2410_drv_probe,
         .remove         = ohci_hcd_s3c2410_drv_remove,
+        .shutdown       = usb_hcd_platform_shutdown,
         /*.suspend      = ohci_hcd_s3c2410_drv_suspend, */
         /*.resume       = ohci_hcd_s3c2410_drv_resume, */
         .driver         = {
diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h
index caacf14371f5..650d1bf21c1d 100644
--- a/drivers/usb/host/ohci.h
+++ b/drivers/usb/host/ohci.h
@@ -389,8 +389,6 @@ struct ohci_hcd {
         unsigned long           next_statechange;       /* suspend/resume */
         u32                     fminterval;             /* saved register */
 
-        struct notifier_block   reboot_notifier;
-
         unsigned long           flags;          /* for HC bugs */
 #define OHCI_QUIRK_AMD756       0x01                    /* erratum #4 */
 #define OHCI_QUIRK_SUPERIO      0x02                    /* natsemi */