11 files changed, 53 insertions, 70 deletions

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 35248a37b717..149b13fc0a71 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -960,7 +960,7 @@ static int ehci_urb_enqueue (
         struct usb_hcd  *hcd,
         struct usb_host_endpoint *ep,
         struct urb      *urb,
-        int             mem_flags
+        unsigned        mem_flags
 ) {
         struct ehci_hcd         *ehci = hcd_to_ehci (hcd);
         struct list_head        qtd_list;
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 45d89a7083b1..d74b2d68a50e 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -898,7 +898,7 @@ submit_async (
         struct usb_host_endpoint *ep,
         struct urb              *urb,
         struct list_head        *qtd_list,
-        int                     mem_flags
+        unsigned                mem_flags
 ) {
         struct ehci_qtd         *qtd;
         int                     epnum;
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index c2104cad4033..9af4f64532a9 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -588,7 +588,7 @@ static int intr_submit (
         struct usb_host_endpoint *ep,
         struct urb              *urb,
         struct list_head        *qtd_list,
-        int                     mem_flags
+        unsigned                mem_flags
 ) {
         unsigned                epnum;
         unsigned long           flags;
@@ -633,7 +633,7 @@ done:
 /* ehci_iso_stream ops work with both ITD and SITD */
 
 static struct ehci_iso_stream *
-iso_stream_alloc (int mem_flags)
+iso_stream_alloc (unsigned mem_flags)
 {
         struct ehci_iso_stream *stream;
 
@@ -846,7 +846,7 @@ iso_stream_find (struct ehci_hcd *ehci, struct urb *urb)
 /* ehci_iso_sched ops can be ITD-only or SITD-only */
 
 static struct ehci_iso_sched *
-iso_sched_alloc (unsigned packets, int mem_flags)
+iso_sched_alloc (unsigned packets, unsigned mem_flags)
 {
         struct ehci_iso_sched   *iso_sched;
         int                     size = sizeof *iso_sched;
@@ -919,7 +919,7 @@ itd_urb_transaction (
         struct ehci_iso_stream  *stream,
         struct ehci_hcd         *ehci,
         struct urb              *urb,
-        int                     mem_flags
+        unsigned                mem_flags
 )
 {
         struct ehci_itd         *itd;
@@ -1412,7 +1412,8 @@ itd_complete (
 
 /*-------------------------------------------------------------------------*/
 
-static int itd_submit (struct ehci_hcd *ehci, struct urb *urb, int mem_flags)
+static int itd_submit (struct ehci_hcd *ehci, struct urb *urb,
+        unsigned mem_flags)
 {
         int                     status = -EINVAL;
         unsigned long           flags;
@@ -1523,7 +1524,7 @@ sitd_urb_transaction (
         struct ehci_iso_stream  *stream,
         struct ehci_hcd         *ehci,
         struct urb              *urb,
-        int                     mem_flags
+        unsigned                mem_flags
 )
 {
         struct ehci_sitd        *sitd;
@@ -1772,7 +1773,8 @@ sitd_complete (
 }
 
 
-static int sitd_submit (struct ehci_hcd *ehci, struct urb *urb, int mem_flags)
+static int sitd_submit (struct ehci_hcd *ehci, struct urb *urb,
+        unsigned mem_flags)
 {
         int                     status = -EINVAL;
         unsigned long           flags;
@@ -1822,7 +1824,8 @@ done:
 #else
 
 static inline int
-sitd_submit (struct ehci_hcd *ehci, struct urb *urb, int mem_flags)
+sitd_submit (struct ehci_hcd *ehci, struct urb *urb,
+        unsigned mem_flags)
 {
         ehci_dbg (ehci, "split iso support is disabled\n");
         return -ENOSYS;
diff --git a/drivers/usb/host/hc_crisv10.c b/drivers/usb/host/hc_crisv10.c
index d9883d774d3a..81f8f6b7fdce 100644
--- a/drivers/usb/host/hc_crisv10.c
+++ b/drivers/usb/host/hc_crisv10.c
@@ -463,7 +463,8 @@ static void etrax_usb_free_epid(int epid);
 
 static int etrax_remove_from_sb_list(struct urb *urb);
 
-static void* etrax_usb_buffer_alloc(struct usb_bus* bus, size_t size, int mem_flags, dma_addr_t *dma);
+static void* etrax_usb_buffer_alloc(struct usb_bus* bus, size_t size,
+        unsigned mem_flags, dma_addr_t *dma);
 static void etrax_usb_buffer_free(struct usb_bus *bus, size_t size, void *addr, dma_addr_t dma);
 
 static void etrax_usb_add_to_bulk_sb_list(struct urb *urb, int epid);
@@ -476,7 +477,7 @@ static int etrax_usb_submit_ctrl_urb(struct urb *urb);
 static int etrax_usb_submit_intr_urb(struct urb *urb);
 static int etrax_usb_submit_isoc_urb(struct urb *urb);
 
-static int etrax_usb_submit_urb(struct urb *urb, int mem_flags);
+static int etrax_usb_submit_urb(struct urb *urb, unsigned mem_flags);
 static int etrax_usb_unlink_urb(struct urb *urb, int status);
 static int etrax_usb_get_frame_number(struct usb_device *usb_dev);
 
@@ -1262,7 +1263,7 @@ static int etrax_usb_allocate_epid(void)
         return -1;
 }
 
-static int etrax_usb_submit_urb(struct urb *urb, int mem_flags)
+static int etrax_usb_submit_urb(struct urb *urb, unsigned mem_flags)
 {
         etrax_hc_t *hc;
         int ret = -EINVAL;
@@ -4277,7 +4278,8 @@ etrax_usb_bulk_eot_timer_func(unsigned long dummy)
 }
 
 static void*
-etrax_usb_buffer_alloc(struct usb_bus* bus, size_t size, int mem_flags, dma_addr_t *dma)
+etrax_usb_buffer_alloc(struct usb_bus* bus, size_t size,
+        unsigned mem_flags, dma_addr_t *dma)
 {
   return kmalloc(size, mem_flags);
 }
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index ff0a168e8eed..50b1970fe6b6 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -17,7 +17,7 @@
  * The driver basically works. A number of people have used it with a range
  * of devices.
  *
- *The driver passes all usbtests 1-14.
+ * The driver passes all usbtests 1-14.
  *
  * Suspending/resuming of root hub via sysfs works. Remote wakeup works too.
  * And suspending/resuming of platform device works too. Suspend/resume
@@ -229,7 +229,7 @@ static void preproc_atl_queue(struct isp116x *isp116x)
         struct isp116x_ep *ep;
         struct urb *urb;
         struct ptd *ptd;
-        u16 toggle, dir, len;
+        u16 toggle = 0, dir = PTD_DIR_SETUP, len;
 
         for (ep = isp116x->atl_active; ep; ep = ep->active) {
                 BUG_ON(list_empty(&ep->hep->urb_list));
@@ -251,8 +251,6 @@ static void preproc_atl_queue(struct isp116x *isp116x)
                         dir = PTD_DIR_OUT;
                         break;
                 case USB_PID_SETUP:
-                        toggle = 0;
-                        dir = PTD_DIR_SETUP;
                         len = sizeof(struct usb_ctrlrequest);
                         ep->data = urb->setup_packet;
                         break;
@@ -264,11 +262,9 @@ static void preproc_atl_queue(struct isp116x *isp116x)
                             ? PTD_DIR_OUT : PTD_DIR_IN;
                         break;
                 default:
-                        /* To please gcc */
-                        toggle = dir = 0;
                         ERR("%s %d: ep->nextpid %d\n", __func__, __LINE__,
                             ep->nextpid);
-                        BUG_ON(1);
+                        BUG();
                 }
 
                 ptd->count = PTD_CC_MSK | PTD_ACTIVE_MSK | PTD_TOGGLE(toggle);
@@ -697,7 +693,7 @@ static int balance(struct isp116x *isp116x, u16 period, u16 load)
 
 static int isp116x_urb_enqueue(struct usb_hcd *hcd,
                                struct usb_host_endpoint *hep, struct urb *urb,
-                               int mem_flags)
+                               unsigned mem_flags)
 {
         struct isp116x *isp116x = hcd_to_isp116x(hcd);
         struct usb_device *udev = urb->dev;
@@ -719,7 +715,7 @@ static int isp116x_urb_enqueue(struct usb_hcd *hcd,
         }
         /* avoid all allocations within spinlocks: request or endpoint */
         if (!hep->hcpriv) {
-                ep = kcalloc(1, sizeof *ep, (__force unsigned)mem_flags);
+                ep = kcalloc(1, sizeof *ep, mem_flags);
                 if (!ep)
                         return -ENOMEM;
         }
@@ -1054,7 +1050,7 @@ static int isp116x_hub_control(struct usb_hcd *hcd,
                 break;
         case GetHubStatus:
                 DBG("GetHubStatus\n");
-                *(__le32 *) buf = cpu_to_le32(0);
+                *(__le32 *) buf = 0;
                 break;
         case GetPortStatus:
                 DBG("GetPortStatus\n");
@@ -1810,9 +1806,9 @@ static int isp116x_suspend(struct device *dev, pm_message_t state, u32 phase)
         ret = usb_suspend_device(hcd->self.root_hub, state);
         if (!ret) {
                 dev->power.power_state = state;
-                INFO("%s suspended\n", (char *)hcd_name);
+                INFO("%s suspended\n", hcd_name);
         } else
-                ERR("%s suspend failed\n", (char *)hcd_name);
+                ERR("%s suspend failed\n", hcd_name);
 
         return ret;
 }
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 13cd2177b557..68decab280dd 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -180,7 +180,7 @@ static int ohci_urb_enqueue (
         struct usb_hcd  *hcd,
         struct usb_host_endpoint *ep,
         struct urb      *urb,
-        int             mem_flags
+        unsigned        mem_flags
 ) {
         struct ohci_hcd *ohci = hcd_to_ohci (hcd);
         struct ed       *ed;
@@ -673,8 +673,10 @@ retry:
 
         ohci_dump (ohci, 1);
 
-        if (ohci_to_hcd(ohci)->self.root_hub == NULL)
+        if (ohci_to_hcd(ohci)->self.root_hub == NULL) {
+                register_reboot_notifier (&ohci->reboot_notifier);
                 create_debug_files (ohci);
+        }
 
         return 0;
 }
diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c
index e2fc4129dfc6..83ca4549a50e 100644
--- a/drivers/usb/host/ohci-hub.c
+++ b/drivers/usb/host/ohci-hub.c
@@ -419,10 +419,11 @@ ohci_hub_descriptor (
 
         /* two bitmaps:  ports removable, and usb 1.0 legacy PortPwrCtrlMask */
         rh = roothub_b (ohci);
+        memset(desc->bitmap, 0xff, sizeof(desc->bitmap));
         desc->bitmap [0] = rh & RH_B_DR;
         if (ports > 7) {
                 desc->bitmap [1] = (rh & RH_B_DR) >> 8;
-                desc->bitmap [2] = desc->bitmap [3] = 0xff;
+                desc->bitmap [2] = 0xff;
         } else
                 desc->bitmap [1] = 0xff;
 }
diff --git a/drivers/usb/host/ohci-mem.c b/drivers/usb/host/ohci-mem.c
index 23735a36af00..fd3c4d3714bd 100644
--- a/drivers/usb/host/ohci-mem.c
+++ b/drivers/usb/host/ohci-mem.c
@@ -84,7 +84,7 @@ dma_to_td (struct ohci_hcd *hc, dma_addr_t td_dma)
 
 /* TDs ... */
 static struct td *
-td_alloc (struct ohci_hcd *hc, int mem_flags)
+td_alloc (struct ohci_hcd *hc, unsigned mem_flags)
 {
         dma_addr_t      dma;
         struct td       *td;
@@ -118,7 +118,7 @@ td_free (struct ohci_hcd *hc, struct td *td)
 
 /* EDs ... */
 static struct ed *
-ed_alloc (struct ohci_hcd *hc, int mem_flags)
+ed_alloc (struct ohci_hcd *hc, unsigned mem_flags)
 {
         dma_addr_t      dma;
         struct ed       *ed;
diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index b62d69937694..5cde76faab93 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -456,34 +456,22 @@ 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, u32 level)
 {
         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;
-                }
+                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 = state;
+                dev->power.power_state = PMSG_SUSPEND;
         }
         up(&ohci_to_hcd(ohci)->self.root_hub->serialize);
         return status;
@@ -497,29 +485,20 @@ static int ohci_omap_resume(struct device *dev, u32 level)
         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);
+        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);
+        /* 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);
+        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;
-        }
+        if (status == 0)
+                dev->power.power_state = PMSG_ON;
         return status;
 }
 
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 6c3f910bc307..7a890a65f55d 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -815,7 +815,7 @@ static int sl811h_urb_enqueue(
         struct usb_hcd          *hcd,
         struct usb_host_endpoint *hep,
         struct urb              *urb,
-        int                     mem_flags
+        unsigned                mem_flags
 ) {
         struct sl811            *sl811 = hcd_to_sl811(hcd);
         struct usb_device       *udev = urb->dev;
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
index 5f18084a116d..bbb36cd6ed61 100644
--- a/drivers/usb/host/uhci-q.c
+++ b/drivers/usb/host/uhci-q.c
@@ -1164,7 +1164,7 @@ static struct urb *uhci_find_urb_ep(struct uhci_hcd *uhci, struct urb *urb)
 
 static int uhci_urb_enqueue(struct usb_hcd *hcd,
                 struct usb_host_endpoint *ep,
-                struct urb *urb, int mem_flags)
+                struct urb *urb, unsigned mem_flags)
 {
         int ret;
         struct uhci_hcd *uhci = hcd_to_uhci(hcd);