1 files changed, 227 insertions, 163 deletions

diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c
index e98df2ee990..ac283b09a63 100644
--- a/drivers/usb/host/u132-hcd.c
+++ b/drivers/usb/host/u132-hcd.c
@@ -51,7 +51,7 @@
 #include <linux/usb.h>
 #include <linux/workqueue.h>
 #include <linux/platform_device.h>
-#include <linux/pci_ids.h>
+#include <linux/mutex.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/system.h>
@@ -83,7 +83,7 @@ static DECLARE_WAIT_QUEUE_HEAD(u132_hcd_wait);
 * u132_module_lock exists to protect access to global variables
 *
 */
-static struct semaphore u132_module_lock;
+static struct mutex u132_module_lock;
 static int u132_exiting = 0;
 static int u132_instances = 0;
 static struct list_head u132_static_list;
@@ -183,7 +183,7 @@ struct u132_ring {
 struct u132 {
         struct kref kref;
         struct list_head u132_list;
-        struct semaphore sw_lock;
+        struct mutex sw_lock;
         struct semaphore scheduler_lock;
         struct u132_platform_data *board;
         struct platform_device *platform_dev;
@@ -258,10 +258,10 @@ static void u132_hcd_delete(struct kref *kref)
         struct platform_device *pdev = u132->platform_dev;
         struct usb_hcd *hcd = u132_to_hcd(u132);
         u132->going += 1;
-        down(&u132_module_lock);
+        mutex_lock(&u132_module_lock);
         list_del_init(&u132->u132_list);
         u132_instances -= 1;
-        up(&u132_module_lock);
+        mutex_unlock(&u132_module_lock);
         dev_warn(&u132->platform_dev->dev, "FREEING the hcd=%p and thus the u13"
                 "2=%p going=%d pdev=%p\n", hcd, u132, u132->going, pdev);
         usb_put_hcd(hcd);
@@ -492,20 +492,20 @@ static void u132_hcd_monitor_work(struct work_struct *work)
                 return;
         } else {
                 int retval;
-                down(&u132->sw_lock);
+                mutex_lock(&u132->sw_lock);
                 retval = read_roothub_info(u132);
                 if (retval) {
                         struct usb_hcd *hcd = u132_to_hcd(u132);
                         u132_disable(u132);
                         u132->going = 1;
-                        up(&u132->sw_lock);
+                        mutex_unlock(&u132->sw_lock);
                         usb_hc_died(hcd);
                         ftdi_elan_gone_away(u132->platform_dev);
                         u132_monitor_put_kref(u132);
                         return;
                 } else {
                         u132_monitor_requeue_work(u132, 500);
-                        up(&u132->sw_lock);
+                        mutex_unlock(&u132->sw_lock);
                         return;
                 }
         }
@@ -518,9 +518,8 @@ static void u132_hcd_giveback_urb(struct u132 *u132, struct u132_endp *endp,
         unsigned long irqs;
         struct usb_hcd *hcd = u132_to_hcd(u132);
         urb->error_count = 0;
-        urb->status = status;
-        urb->hcpriv = NULL;
         spin_lock_irqsave(&endp->queue_lock.slock, irqs);
+        usb_hcd_unlink_urb_from_ep(hcd, urb);
         endp->queue_next += 1;
         if (ENDP_QUEUE_SIZE > --endp->queue_size) {
                 endp->active = 0;
@@ -542,7 +541,7 @@ static void u132_hcd_giveback_urb(struct u132 *u132, struct u132_endp *endp,
         u132_ring_queue_work(u132, ring, 0);
         up(&u132->scheduler_lock);
         u132_endp_put_kref(u132, endp);
-        usb_hcd_giveback_urb(hcd, urb);
+        usb_hcd_giveback_urb(hcd, urb, status);
         return;
 }
 
@@ -558,9 +557,8 @@ static void u132_hcd_abandon_urb(struct u132 *u132, struct u132_endp *endp,
         unsigned long irqs;
         struct usb_hcd *hcd = u132_to_hcd(u132);
         urb->error_count = 0;
-        urb->status = status;
-        urb->hcpriv = NULL;
         spin_lock_irqsave(&endp->queue_lock.slock, irqs);
+        usb_hcd_unlink_urb_from_ep(hcd, urb);
         endp->queue_next += 1;
         if (ENDP_QUEUE_SIZE > --endp->queue_size) {
                 endp->active = 0;
@@ -575,7 +573,7 @@ static void u132_hcd_abandon_urb(struct u132 *u132, struct u132_endp *endp,
                 endp->active = 0;
                 spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
                 kfree(urbq);
-        } usb_hcd_giveback_urb(hcd, urb);
+        } usb_hcd_giveback_urb(hcd, urb, status);
         return;
 }
 
@@ -645,12 +643,12 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "device is being removed "
+                                "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+        } else if (!urb->unlinked) {
                 struct u132_ring *ring = endp->ring;
                 u8 *u = urb->transfer_buffer + urb->actual_length;
                 u8 *b = buf;
@@ -716,10 +714,10 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf,
                         return;
                 }
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                                "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+                u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -744,12 +742,12 @@ static void u132_hcd_bulk_output_sent(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "device is being removed "
+                                "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+        } else if (!urb->unlinked) {
                 struct u132_ring *ring = endp->ring;
                 urb->actual_length += len;
                 endp->toggle_bits = toggle_bits;
@@ -768,10 +766,10 @@ static void u132_hcd_bulk_output_sent(void *data, struct urb *urb, u8 *buf,
                         return;
                 }
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                                "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+                u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -797,12 +795,12 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "device is being removed "
+                                "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+        } else if (!urb->unlinked) {
                 struct u132_ring *ring = endp->ring;
                 u8 *u = urb->transfer_buffer + urb->actual_length;
                 u8 *b = buf;
@@ -871,10 +869,10 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf,
                         return;
                 }
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                                "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+                u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -898,20 +896,20 @@ static void u132_hcd_configure_empty_sent(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "device is being removed "
+                                "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+        } else if (!urb->unlinked) {
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                                "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+                u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -936,12 +934,12 @@ static void u132_hcd_configure_input_recv(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "device is being removed "
+                                "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+        } else if (!urb->unlinked) {
                 struct u132_ring *ring = endp->ring;
                 u8 *u = urb->transfer_buffer;
                 u8 *b = buf;
@@ -980,10 +978,10 @@ static void u132_hcd_configure_input_recv(void *data, struct urb *urb, u8 *buf,
                         return;
                 }
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                                "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+                u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -1007,20 +1005,20 @@ static void u132_hcd_configure_empty_recv(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "device is being removed "
+                                "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+        } else if (!urb->unlinked) {
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                                "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+                u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -1045,12 +1043,12 @@ static void u132_hcd_configure_setup_sent(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "device is being removed "
+                                "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+        } else if (!urb->unlinked) {
                 if (usb_pipein(urb->pipe)) {
                         int retval;
                         struct u132_ring *ring = endp->ring;
@@ -1077,10 +1075,10 @@ static void u132_hcd_configure_setup_sent(void *data, struct urb *urb, u8 *buf,
                         return;
                 }
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                                "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+                u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -1106,22 +1104,22 @@ static void u132_hcd_enumeration_empty_recv(void *data, struct urb *urb,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "device is being removed "
+                                "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+        } else if (!urb->unlinked) {
                 u132->addr[0].address = 0;
                 endp->usb_addr = udev->usb_addr;
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                                "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+                u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -1145,12 +1143,12 @@ static void u132_hcd_enumeration_address_sent(void *data, struct urb *urb,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "device is being removed "
+                                "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+        } else if (!urb->unlinked) {
                 int retval;
                 struct u132_ring *ring = endp->ring;
                 up(&u132->scheduler_lock);
@@ -1162,10 +1160,10 @@ static void u132_hcd_enumeration_address_sent(void *data, struct urb *urb,
                         u132_hcd_giveback_urb(u132, endp, urb, retval);
                 return;
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                                "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+                u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -1189,20 +1187,20 @@ static void u132_hcd_initial_empty_sent(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "device is being removed "
+                                "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+        } else if (!urb->unlinked) {
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                                "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+                u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -1227,12 +1225,12 @@ static void u132_hcd_initial_input_recv(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "device is being removed "
+                                "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+        } else if (!urb->unlinked) {
                 int retval;
                 struct u132_ring *ring = endp->ring;
                 u8 *u = urb->transfer_buffer;
@@ -1251,10 +1249,10 @@ static void u132_hcd_initial_input_recv(void *data, struct urb *urb, u8 *buf,
                         u132_hcd_giveback_urb(u132, endp, urb, retval);
                 return;
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                                "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+                u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -1279,12 +1277,12 @@ static void u132_hcd_initial_setup_sent(void *data, struct urb *urb, u8 *buf,
                 u132_hcd_giveback_urb(u132, endp, urb, -EINTR);
                 return;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "device is being removed "
+                                "urb=%p\n", urb);
                 up(&u132->scheduler_lock);
                 u132_hcd_giveback_urb(u132, endp, urb, -ENODEV);
                 return;
-        } else if (urb->status == -EINPROGRESS) {
+        } else if (!urb->unlinked) {
                 int retval;
                 struct u132_ring *ring = endp->ring;
                 up(&u132->scheduler_lock);
@@ -1296,10 +1294,10 @@ static void u132_hcd_initial_setup_sent(void *data, struct urb *urb, u8 *buf,
                         u132_hcd_giveback_urb(u132, endp, urb, retval);
                 return;
         } else {
-                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p statu"
-                        "s=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
+                                "unlinked=%d\n", urb, urb->unlinked);
                 up(&u132->scheduler_lock);
-                u132_hcd_giveback_urb(u132, endp, urb, urb->status);
+                u132_hcd_giveback_urb(u132, endp, urb, 0);
                 return;
         }
 }
@@ -1519,12 +1517,15 @@ static void u132_hcd_endp_work_scheduler(struct work_struct *work)
                 }
         }
 }
+#ifdef CONFIG_PM
 
 static void port_power(struct u132 *u132, int pn, int is_on)
 {
         u132->port[pn].power = is_on;
 }
 
+#endif
+
 static void u132_power(struct u132 *u132, int is_on)
 {
         struct usb_hcd *hcd = u132_to_hcd(u132)
@@ -1801,10 +1802,10 @@ static void u132_hcd_stop(struct usb_hcd *hcd)
                 dev_err(&u132->platform_dev->dev, "device hcd=%p is being remov"
                         "ed\n", hcd);
         } else {
-                down(&u132->sw_lock);
+                mutex_lock(&u132->sw_lock);
                 msleep(100);
                 u132_power(u132, 0);
-                up(&u132->sw_lock);
+                mutex_unlock(&u132->sw_lock);
         }
 }
 
@@ -1826,7 +1827,7 @@ static int u132_hcd_start(struct usb_hcd *hcd)
                         (pdev->dev.platform_data))->vendor;
                 u16 device = ((struct u132_platform_data *)
                         (pdev->dev.platform_data))->device;
-                down(&u132->sw_lock);
+                mutex_lock(&u132->sw_lock);
                 msleep(10);
                 if (vendor == PCI_VENDOR_ID_AMD && device == 0x740c) {
                         u132->flags = OHCI_QUIRK_AMD756;
@@ -1841,7 +1842,7 @@ static int u132_hcd_start(struct usb_hcd *hcd)
                         u132->going = 1;
                 }
                 msleep(100);
-                up(&u132->sw_lock);
+                mutex_unlock(&u132->sw_lock);
                 return retval;
         } else {
                 dev_err(&u132->platform_dev->dev, "platform_device missing\n");
@@ -1861,32 +1862,44 @@ static int u132_hcd_reset(struct usb_hcd *hcd)
                 return -ESHUTDOWN;
         } else {
                 int retval;
-                down(&u132->sw_lock);
+                mutex_lock(&u132->sw_lock);
                 retval = u132_init(u132);
                 if (retval) {
                         u132_disable(u132);
                         u132->going = 1;
                 }
-                up(&u132->sw_lock);
+                mutex_unlock(&u132->sw_lock);
                 return retval;
         }
 }
 
 static int create_endpoint_and_queue_int(struct u132 *u132,
-        struct u132_udev *udev, struct usb_host_endpoint *hep, struct urb *urb,
+        struct u132_udev *udev, struct urb *urb,
         struct usb_device *usb_dev, u8 usb_addr, u8 usb_endp, u8 address,
         gfp_t mem_flags)
 {
         struct u132_ring *ring;
         unsigned long irqs;
-        u8 endp_number = ++u132->num_endpoints;
-        struct u132_endp *endp = hep->hcpriv = u132->endp[endp_number - 1] =
-                kmalloc(sizeof(struct u132_endp), mem_flags);
+        int rc;
+        u8 endp_number;
+        struct u132_endp *endp = kmalloc(sizeof(struct u132_endp), mem_flags);
+
         if (!endp) {
                 return -ENOMEM;
         }
+
+        spin_lock_init(&endp->queue_lock.slock);
+        spin_lock_irqsave(&endp->queue_lock.slock, irqs);
+        rc = usb_hcd_link_urb_to_ep(u132_to_hcd(u132), urb);
+        if (rc) {
+                spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+                kfree(endp);
+                return rc;
+        }
+
+        endp_number = ++u132->num_endpoints;
+        urb->ep->hcpriv = u132->endp[endp_number - 1] = endp;
         INIT_DELAYED_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler);
-        spin_lock_init(&endp->queue_lock.slock);
         INIT_LIST_HEAD(&endp->urb_more);
         ring = endp->ring = &u132->ring[0];
         if (ring->curr_endp) {
@@ -1902,7 +1915,7 @@ static int create_endpoint_and_queue_int(struct u132 *u132,
         endp->delayed = 0;
         endp->endp_number = endp_number;
         endp->u132 = u132;
-        endp->hep = hep;
+        endp->hep = urb->ep;
         endp->pipetype = usb_pipetype(urb->pipe);
         u132_endp_init_kref(u132, endp);
         if (usb_pipein(urb->pipe)) {
@@ -1921,7 +1934,6 @@ static int create_endpoint_and_queue_int(struct u132 *u132,
                 u132_udev_get_kref(u132, udev);
         }
         urb->hcpriv = u132;
-        spin_lock_irqsave(&endp->queue_lock.slock, irqs);
         endp->delayed = 1;
         endp->jiffies = jiffies + msecs_to_jiffies(urb->interval);
         endp->udev_number = address;
@@ -1936,8 +1948,8 @@ static int create_endpoint_and_queue_int(struct u132 *u132,
         return 0;
 }
 
-static int queue_int_on_old_endpoint(struct u132 *u132, struct u132_udev *udev,
-        struct usb_host_endpoint *hep, struct urb *urb,
+static int queue_int_on_old_endpoint(struct u132 *u132,
+        struct u132_udev *udev, struct urb *urb,
         struct usb_device *usb_dev, struct u132_endp *endp, u8 usb_addr,
         u8 usb_endp, u8 address)
 {
@@ -1961,21 +1973,33 @@ static int queue_int_on_old_endpoint(struct u132 *u132, struct u132_udev *udev,
 }
 
 static int create_endpoint_and_queue_bulk(struct u132 *u132,
-        struct u132_udev *udev, struct usb_host_endpoint *hep, struct urb *urb,
+        struct u132_udev *udev, struct urb *urb,
         struct usb_device *usb_dev, u8 usb_addr, u8 usb_endp, u8 address,
         gfp_t mem_flags)
 {
         int ring_number;
         struct u132_ring *ring;
         unsigned long irqs;
-        u8 endp_number = ++u132->num_endpoints;
-        struct u132_endp *endp = hep->hcpriv = u132->endp[endp_number - 1] =
-                kmalloc(sizeof(struct u132_endp), mem_flags);
+        int rc;
+        u8 endp_number;
+        struct u132_endp *endp = kmalloc(sizeof(struct u132_endp), mem_flags);
+
         if (!endp) {
                 return -ENOMEM;
         }
+
+        spin_lock_init(&endp->queue_lock.slock);
+        spin_lock_irqsave(&endp->queue_lock.slock, irqs);
+        rc = usb_hcd_link_urb_to_ep(u132_to_hcd(u132), urb);
+        if (rc) {
+                spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+                kfree(endp);
+                return rc;
+        }
+
+        endp_number = ++u132->num_endpoints;
+        urb->ep->hcpriv = u132->endp[endp_number - 1] = endp;
         INIT_DELAYED_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler);
-        spin_lock_init(&endp->queue_lock.slock);
         INIT_LIST_HEAD(&endp->urb_more);
         endp->dequeueing = 0;
         endp->edset_flush = 0;
@@ -1983,7 +2007,7 @@ static int create_endpoint_and_queue_bulk(struct u132 *u132,
         endp->delayed = 0;
         endp->endp_number = endp_number;
         endp->u132 = u132;
-        endp->hep = hep;
+        endp->hep = urb->ep;
         endp->pipetype = usb_pipetype(urb->pipe);
         u132_endp_init_kref(u132, endp);
         if (usb_pipein(urb->pipe)) {
@@ -2012,7 +2036,6 @@ static int create_endpoint_and_queue_bulk(struct u132 *u132,
         }
         ring->length += 1;
         urb->hcpriv = u132;
-        spin_lock_irqsave(&endp->queue_lock.slock, irqs);
         endp->udev_number = address;
         endp->usb_addr = usb_addr;
         endp->usb_endp = usb_endp;
@@ -2026,7 +2049,7 @@ static int create_endpoint_and_queue_bulk(struct u132 *u132,
 }
 
 static int queue_bulk_on_old_endpoint(struct u132 *u132, struct u132_udev *udev,
-         struct usb_host_endpoint *hep, struct urb *urb,
+        struct urb *urb,
         struct usb_device *usb_dev, struct u132_endp *endp, u8 usb_addr,
         u8 usb_endp, u8 address)
 {
@@ -2048,19 +2071,32 @@ static int queue_bulk_on_old_endpoint(struct u132 *u132, struct u132_udev *udev,
 }
 
 static int create_endpoint_and_queue_control(struct u132 *u132,
-        struct usb_host_endpoint *hep, struct urb *urb,
+        struct urb *urb,
         struct usb_device *usb_dev, u8 usb_addr, u8 usb_endp,
         gfp_t mem_flags)
 {
         struct u132_ring *ring;
-        u8 endp_number = ++u132->num_endpoints;
-        struct u132_endp *endp = hep->hcpriv = u132->endp[endp_number - 1] =
-                kmalloc(sizeof(struct u132_endp), mem_flags);
+        unsigned long irqs;
+        int rc;
+        u8 endp_number;
+        struct u132_endp *endp = kmalloc(sizeof(struct u132_endp), mem_flags);
+
         if (!endp) {
                 return -ENOMEM;
         }
+
+        spin_lock_init(&endp->queue_lock.slock);
+        spin_lock_irqsave(&endp->queue_lock.slock, irqs);
+        rc = usb_hcd_link_urb_to_ep(u132_to_hcd(u132), urb);
+        if (rc) {
+                spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+                kfree(endp);
+                return rc;
+        }
+
+        endp_number = ++u132->num_endpoints;
+        urb->ep->hcpriv = u132->endp[endp_number - 1] = endp;
         INIT_DELAYED_WORK(&endp->scheduler, u132_hcd_endp_work_scheduler);
-        spin_lock_init(&endp->queue_lock.slock);
         INIT_LIST_HEAD(&endp->urb_more);
         ring = endp->ring = &u132->ring[0];
         if (ring->curr_endp) {
@@ -2076,11 +2112,10 @@ static int create_endpoint_and_queue_control(struct u132 *u132,
         endp->delayed = 0;
         endp->endp_number = endp_number;
         endp->u132 = u132;
-        endp->hep = hep;
+        endp->hep = urb->ep;
         u132_endp_init_kref(u132, endp);
         u132_endp_get_kref(u132, endp);
         if (usb_addr == 0) {
-                unsigned long irqs;
                 u8 address = u132->addr[usb_addr].address;
                 struct u132_udev *udev = &u132->udev[address];
                 endp->udev_number = address;
@@ -2094,7 +2129,6 @@ static int create_endpoint_and_queue_control(struct u132 *u132,
                 udev->endp_number_in[usb_endp] = endp_number;
                 udev->endp_number_out[usb_endp] = endp_number;
                 urb->hcpriv = u132;
-                spin_lock_irqsave(&endp->queue_lock.slock, irqs);
                 endp->queue_size = 1;
                 endp->queue_last = 0;
                 endp->queue_next = 0;
@@ -2103,7 +2137,6 @@ static int create_endpoint_and_queue_control(struct u132 *u132,
                 u132_endp_queue_work(u132, endp, 0);
                 return 0;
         } else {                /*(usb_addr > 0) */
-                unsigned long irqs;
                 u8 address = u132->addr[usb_addr].address;
                 struct u132_udev *udev = &u132->udev[address];
                 endp->udev_number = address;
@@ -2117,7 +2150,6 @@ static int create_endpoint_and_queue_control(struct u132 *u132,
                 udev->endp_number_in[usb_endp] = endp_number;
                 udev->endp_number_out[usb_endp] = endp_number;
                 urb->hcpriv = u132;
-                spin_lock_irqsave(&endp->queue_lock.slock, irqs);
                 endp->queue_size = 1;
                 endp->queue_last = 0;
                 endp->queue_next = 0;
@@ -2129,7 +2161,7 @@ static int create_endpoint_and_queue_control(struct u132 *u132,
 }
 
 static int queue_control_on_old_endpoint(struct u132 *u132,
-        struct usb_host_endpoint *hep, struct urb *urb,
+        struct urb *urb,
         struct usb_device *usb_dev, struct u132_endp *endp, u8 usb_addr,
         u8 usb_endp)
 {
@@ -2229,8 +2261,8 @@ static int queue_control_on_old_endpoint(struct u132 *u132,
         }
 }
 
-static int u132_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *hep,
-        struct urb *urb, gfp_t mem_flags)
+static int u132_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
+                gfp_t mem_flags)
 {
         struct u132 *u132 = hcd_to_u132(hcd);
         if (irqs_disabled()) {
@@ -2245,8 +2277,8 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *hep,
                         , u132->going);
                 return -ENODEV;
         } else if (u132->going > 0) {
-                dev_err(&u132->platform_dev->dev, "device is being removed urb="
-                        "%p status=%d\n", urb, urb->status);
+                dev_err(&u132->platform_dev->dev, "device is being removed "
+                                "urb=%p\n", urb);
                 return -ESHUTDOWN;
         } else {
                 u8 usb_addr = usb_pipedevice(urb->pipe);
@@ -2255,16 +2287,24 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *hep,
                 if (usb_pipetype(urb->pipe) == PIPE_INTERRUPT) {
                         u8 address = u132->addr[usb_addr].address;
                         struct u132_udev *udev = &u132->udev[address];
-                        struct u132_endp *endp = hep->hcpriv;
+                        struct u132_endp *endp = urb->ep->hcpriv;
                         urb->actual_length = 0;
                         if (endp) {
                                 unsigned long irqs;
                                 int retval;
                                 spin_lock_irqsave(&endp->queue_lock.slock,
                                         irqs);
-                                retval = queue_int_on_old_endpoint(u132, udev,
-                                        hep, urb, usb_dev, endp, usb_addr,
-                                        usb_endp, address);
+                                retval = usb_hcd_link_urb_to_ep(hcd, urb);
+                                if (retval == 0) {
+                                        retval = queue_int_on_old_endpoint(
+                                                        u132, udev, urb,
+                                                        usb_dev, endp,
+                                                        usb_addr, usb_endp,
+                                                        address);
+                                        if (retval)
+                                                usb_hcd_unlink_urb_from_ep(
+                                                                hcd, urb);
+                                }
                                 spin_unlock_irqrestore(&endp->queue_lock.slock,
                                         irqs);
                                 if (retval) {
@@ -2279,8 +2319,8 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *hep,
                                 return -EINVAL;
                         } else {        /*(endp == NULL) */
                                 return create_endpoint_and_queue_int(u132, udev,
-                                         hep, urb, usb_dev, usb_addr, usb_endp,
-                                        address, mem_flags);
+                                                urb, usb_dev, usb_addr,
+                                                usb_endp, address, mem_flags);
                         }
                 } else if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) {
                         dev_err(&u132->platform_dev->dev, "the hardware does no"
@@ -2289,16 +2329,24 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *hep,
                 } else if (usb_pipetype(urb->pipe) == PIPE_BULK) {
                         u8 address = u132->addr[usb_addr].address;
                         struct u132_udev *udev = &u132->udev[address];
-                        struct u132_endp *endp = hep->hcpriv;
+                        struct u132_endp *endp = urb->ep->hcpriv;
                         urb->actual_length = 0;
                         if (endp) {
                                 unsigned long irqs;
                                 int retval;
                                 spin_lock_irqsave(&endp->queue_lock.slock,
                                         irqs);
-                                retval = queue_bulk_on_old_endpoint(u132, udev,
-                                        hep, urb, usb_dev, endp, usb_addr,
-                                        usb_endp, address);
+                                retval = usb_hcd_link_urb_to_ep(hcd, urb);
+                                if (retval == 0) {
+                                        retval = queue_bulk_on_old_endpoint(
+                                                        u132, udev, urb,
+                                                        usb_dev, endp,
+                                                        usb_addr, usb_endp,
+                                                        address);
+                                        if (retval)
+                                                usb_hcd_unlink_urb_from_ep(
+                                                                hcd, urb);
+                                }
                                 spin_unlock_irqrestore(&endp->queue_lock.slock,
                                         irqs);
                                 if (retval) {
@@ -2311,10 +2359,10 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *hep,
                                 return -EINVAL;
                         } else
                                 return create_endpoint_and_queue_bulk(u132,
-                                        udev, hep, urb, usb_dev, usb_addr,
+                                        udev, urb, usb_dev, usb_addr,
                                         usb_endp, address, mem_flags);
                 } else {
-                        struct u132_endp *endp = hep->hcpriv;
+                        struct u132_endp *endp = urb->ep->hcpriv;
                         u16 urb_size = 8;
                         u8 *b = urb->setup_packet;
                         int i = 0;
@@ -2337,9 +2385,16 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *hep,
                                 int retval;
                                 spin_lock_irqsave(&endp->queue_lock.slock,
                                         irqs);
-                                retval = queue_control_on_old_endpoint(u132,
-                                        hep, urb, usb_dev, endp, usb_addr,
-                                        usb_endp);
+                                retval = usb_hcd_link_urb_to_ep(hcd, urb);
+                                if (retval == 0) {
+                                        retval = queue_control_on_old_endpoint(
+                                                        u132, urb, usb_dev,
+                                                        endp, usb_addr,
+                                                        usb_endp);
+                                        if (retval)
+                                                usb_hcd_unlink_urb_from_ep(
+                                                                hcd, urb);
+                                }
                                 spin_unlock_irqrestore(&endp->queue_lock.slock,
                                         irqs);
                                 if (retval) {
@@ -2352,7 +2407,7 @@ static int u132_urb_enqueue(struct usb_hcd *hcd, struct usb_host_endpoint *hep,
                                 return -EINVAL;
                         } else
                                 return create_endpoint_and_queue_control(u132,
-                                        hep, urb, usb_dev, usb_addr, usb_endp,
+                                        urb, usb_dev, usb_addr, usb_endp,
                                         mem_flags);
                 }
         }
@@ -2371,8 +2426,7 @@ static int dequeue_from_overflow_chain(struct u132 *u132,
                         list_del(scan);
                         endp->queue_size -= 1;
                         urb->error_count = 0;
-                        urb->hcpriv = NULL;
-                        usb_hcd_giveback_urb(hcd, urb);
+                        usb_hcd_giveback_urb(hcd, urb, 0);
                         return 0;
                 } else
                         continue;
@@ -2387,10 +2441,17 @@ static int dequeue_from_overflow_chain(struct u132 *u132,
 }
 
 static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
-        struct urb *urb)
+                struct urb *urb, int status)
 {
         unsigned long irqs;
+        int rc;
+
         spin_lock_irqsave(&endp->queue_lock.slock, irqs);
+        rc = usb_hcd_check_unlink_urb(u132_to_hcd(u132), urb, status);
+        if (rc) {
+                spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
+                return rc;
+        }
         if (endp->queue_size == 0) {
                 dev_err(&u132->platform_dev->dev, "urb=%p not found in endp[%d]"
                         "=%p ring[%d] %c%c usb_endp=%d usb_addr=%d\n", urb,
@@ -2406,11 +2467,10 @@ static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
                         endp->edset_flush = 1;
                         u132_endp_queue_work(u132, endp, 0);
                         spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
-                        urb->hcpriv = NULL;
                         return 0;
                 } else {
                         spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
-                        u132_hcd_abandon_urb(u132, endp, urb, urb->status);
+                        u132_hcd_abandon_urb(u132, endp, urb, status);
                         return 0;
                 }
         } else {
@@ -2435,6 +2495,8 @@ static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
                 }
                 if (urb_slot) {
                         struct usb_hcd *hcd = u132_to_hcd(u132);
+
+                        usb_hcd_unlink_urb_from_ep(hcd, urb);
                         endp->queue_size -= 1;
                         if (list_empty(&endp->urb_more)) {
                                 spin_unlock_irqrestore(&endp->queue_lock.slock,
@@ -2449,8 +2511,7 @@ static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
                                         irqs);
                                 kfree(urbq);
                         } urb->error_count = 0;
-                        urb->hcpriv = NULL;
-                        usb_hcd_giveback_urb(hcd, urb);
+                        usb_hcd_giveback_urb(hcd, urb, status);
                         return 0;
                 } else if (list_empty(&endp->urb_more)) {
                         dev_err(&u132->platform_dev->dev, "urb=%p not found in "
@@ -2464,7 +2525,10 @@ static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
                         spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
                         return -EINVAL;
                 } else {
-                        int retval = dequeue_from_overflow_chain(u132, endp,
+                        int retval;
+
+                        usb_hcd_unlink_urb_from_ep(u132_to_hcd(u132), urb);
+                        retval = dequeue_from_overflow_chain(u132, endp,
                                 urb);
                         spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
                         return retval;
@@ -2472,7 +2536,7 @@ static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
         }
 }
 
-static int u132_urb_dequeue(struct usb_hcd *hcd, struct urb *urb)
+static int u132_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
 {
         struct u132 *u132 = hcd_to_u132(hcd);
         if (u132->going > 2) {
@@ -2487,11 +2551,11 @@ static int u132_urb_dequeue(struct usb_hcd *hcd, struct urb *urb)
                 if (usb_pipein(urb->pipe)) {
                         u8 endp_number = udev->endp_number_in[usb_endp];
                         struct u132_endp *endp = u132->endp[endp_number - 1];
-                        return u132_endp_urb_dequeue(u132, endp, urb);
+                        return u132_endp_urb_dequeue(u132, endp, urb, status);
                 } else {
                         u8 endp_number = udev->endp_number_out[usb_endp];
                         struct u132_endp *endp = u132->endp[endp_number - 1];
-                        return u132_endp_urb_dequeue(u132, endp, urb);
+                        return u132_endp_urb_dequeue(u132, endp, urb, status);
                 }
         }
 }
@@ -2801,7 +2865,7 @@ static int u132_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
                 return -ESHUTDOWN;
         } else {
                 int retval = 0;
-                down(&u132->sw_lock);
+                mutex_lock(&u132->sw_lock);
                 switch (typeReq) {
                 case ClearHubFeature:
                         switch (wValue) {
@@ -2864,7 +2928,7 @@ static int u132_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
                       stall:retval = -EPIPE;
                         break;
                 }
-                up(&u132->sw_lock);
+                mutex_unlock(&u132->sw_lock);
                 return retval;
         }
 }
@@ -3000,7 +3064,7 @@ static int __devexit u132_remove(struct platform_device *pdev)
                         dev_err(&u132->platform_dev->dev, "removing device u132"
                                 ".%d\n", u132->sequence_num);
                         msleep(100);
-                        down(&u132->sw_lock);
+                        mutex_lock(&u132->sw_lock);
                         u132_monitor_cancel_work(u132);
                         while (rings-- > 0) {
                                 struct u132_ring *ring = &u132->ring[rings];
@@ -3013,7 +3077,7 @@ static int __devexit u132_remove(struct platform_device *pdev)
                         u132->going += 1;
                         printk(KERN_INFO "removing device u132.%d\n",
                                 u132->sequence_num);
-                        up(&u132->sw_lock);
+                        mutex_unlock(&u132->sw_lock);
                         usb_remove_hcd(hcd);
                         u132_u132_put_kref(u132);
                         return 0;
@@ -3033,7 +3097,7 @@ static void u132_initialise(struct u132 *u132, struct platform_device *pdev)
         u132->platform_dev = pdev;
         u132->power = 0;
         u132->reset = 0;
-        init_MUTEX(&u132->sw_lock);
+        mutex_init(&u132->sw_lock);
         init_MUTEX(&u132->scheduler_lock);
         while (rings-- > 0) {
                 struct u132_ring *ring = &u132->ring[rings];
@@ -3043,7 +3107,7 @@ static void u132_initialise(struct u132 *u132, struct platform_device *pdev)
                 ring->curr_endp = NULL;
                 INIT_DELAYED_WORK(&ring->scheduler,
                                   u132_hcd_ring_work_scheduler);
-        } down(&u132->sw_lock);
+        } mutex_lock(&u132->sw_lock);
         INIT_DELAYED_WORK(&u132->monitor, u132_hcd_monitor_work);
         while (ports-- > 0) {
                 struct u132_port *port = &u132->port[ports];
@@ -3073,7 +3137,7 @@ static void u132_initialise(struct u132 *u132, struct platform_device *pdev)
         while (endps-- > 0) {
                 u132->endp[endps] = NULL;
         }
-        up(&u132->sw_lock);
+        mutex_unlock(&u132->sw_lock);
         return;
 }
 
@@ -3111,10 +3175,10 @@ static int __devinit u132_probe(struct platform_device *pdev)
                 int retval = 0;
                 struct u132 *u132 = hcd_to_u132(hcd);
                 hcd->rsrc_start = 0;
-                down(&u132_module_lock);
+                mutex_lock(&u132_module_lock);
                 list_add_tail(&u132->u132_list, &u132_static_list);
                 u132->sequence_num = ++u132_instances;
-                up(&u132_module_lock);
+                mutex_unlock(&u132_module_lock);
                 u132_u132_init_kref(u132);
                 u132_initialise(u132, pdev);
                 hcd->product_desc = "ELAN U132 Host Controller";
@@ -3216,7 +3280,7 @@ static int __init u132_hcd_init(void)
         INIT_LIST_HEAD(&u132_static_list);
         u132_instances = 0;
         u132_exiting = 0;
-        init_MUTEX(&u132_module_lock);
+        mutex_init(&u132_module_lock);
         if (usb_disabled())
                 return -ENODEV;
         printk(KERN_INFO "driver %s built at %s on %s\n", hcd_name, __TIME__,
@@ -3232,9 +3296,9 @@ static void __exit u132_hcd_exit(void)
 {
         struct u132 *u132;
         struct u132 *temp;
-        down(&u132_module_lock);
+        mutex_lock(&u132_module_lock);
         u132_exiting += 1;
-        up(&u132_module_lock);
+        mutex_unlock(&u132_module_lock);
         list_for_each_entry_safe(u132, temp, &u132_static_list, u132_list) {
                 platform_device_unregister(u132->platform_dev);
         } platform_driver_unregister(&u132_platform_driver);