1 files changed, 67 insertions, 62 deletions

diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index 851d5e1625d9..84760ddbc332 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright David Brownell 2000-2002
- * 
+ *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
  * Free Software Foundation; either version 2 of the License, or (at your
@@ -55,7 +55,7 @@
  *
  * Store this function in the HCD's struct pci_driver as probe().
  */
-int usb_hcd_pci_probe (struct pci_dev *dev, const struct pci_device_id *id)
+int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
 {
         struct hc_driver        *driver;
         struct usb_hcd          *hcd;
@@ -64,66 +64,71 @@ int usb_hcd_pci_probe (struct pci_dev *dev, const struct pci_device_id *id)
         if (usb_disabled())
                 return -ENODEV;
 
-        if (!id || !(driver = (struct hc_driver *) id->driver_data))
+        if (!id)
+                return -EINVAL;
+        driver = (struct hc_driver *)id->driver_data;
+        if (!driver)
                 return -EINVAL;
 
-        if (pci_enable_device (dev) < 0)
+        if (pci_enable_device(dev) < 0)
                 return -ENODEV;
         dev->current_state = PCI_D0;
         dev->dev.power.power_state = PMSG_ON;
-        
-        if (!dev->irq) {
-                dev_err (&dev->dev,
+
+        if (!dev->irq) {
+                dev_err(&dev->dev,
                         "Found HC with no IRQ.  Check BIOS/PCI %s setup!\n",
                         pci_name(dev));
-                retval = -ENODEV;
+                retval = -ENODEV;
                 goto err1;
-        }
+        }
 
-        hcd = usb_create_hcd (driver, &dev->dev, pci_name(dev));
+        hcd = usb_create_hcd(driver, &dev->dev, pci_name(dev));
         if (!hcd) {
                 retval = -ENOMEM;
                 goto err1;
         }
 
-        if (driver->flags & HCD_MEMORY) {       // EHCI, OHCI
-                hcd->rsrc_start = pci_resource_start (dev, 0);
-                hcd->rsrc_len = pci_resource_len (dev, 0);
-                if (!request_mem_region (hcd->rsrc_start, hcd->rsrc_len,
+        if (driver->flags & HCD_MEMORY) {
+                /* EHCI, OHCI */
+                hcd->rsrc_start = pci_resource_start(dev, 0);
+                hcd->rsrc_len = pci_resource_len(dev, 0);
+                if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
                                 driver->description)) {
-                        dev_dbg (&dev->dev, "controller already in use\n");
+                        dev_dbg(&dev->dev, "controller already in use\n");
                         retval = -EBUSY;
                         goto err2;
                 }
-                hcd->regs = ioremap_nocache (hcd->rsrc_start, hcd->rsrc_len);
+                hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len);
                 if (hcd->regs == NULL) {
-                        dev_dbg (&dev->dev, "error mapping memory\n");
+                        dev_dbg(&dev->dev, "error mapping memory\n");
                         retval = -EFAULT;
                         goto err3;
                 }
 
-        } else {                                // UHCI
+        } else {
+                /* UHCI */
                 int     region;
 
                 for (region = 0; region < PCI_ROM_RESOURCE; region++) {
-                        if (!(pci_resource_flags (dev, region) &
+                        if (!(pci_resource_flags(dev, region) &
                                         IORESOURCE_IO))
                                 continue;
 
-                        hcd->rsrc_start = pci_resource_start (dev, region);
-                        hcd->rsrc_len = pci_resource_len (dev, region);
-                        if (request_region (hcd->rsrc_start, hcd->rsrc_len,
+                        hcd->rsrc_start = pci_resource_start(dev, region);
+                        hcd->rsrc_len = pci_resource_len(dev, region);
+                        if (request_region(hcd->rsrc_start, hcd->rsrc_len,
                                         driver->description))
                                 break;
                 }
                 if (region == PCI_ROM_RESOURCE) {
-                        dev_dbg (&dev->dev, "no i/o regions available\n");
+                        dev_dbg(&dev->dev, "no i/o regions available\n");
                         retval = -EBUSY;
                         goto err1;
                 }
         }
 
-        pci_set_master (dev);
+        pci_set_master(dev);
 
         retval = usb_add_hcd(hcd, dev->irq, IRQF_DISABLED | IRQF_SHARED);
         if (retval != 0)
@@ -132,18 +137,18 @@ int usb_hcd_pci_probe (struct pci_dev *dev, const struct pci_device_id *id)
 
  err4:
         if (driver->flags & HCD_MEMORY) {
-                iounmap (hcd->regs);
+                iounmap(hcd->regs);
  err3:
-                release_mem_region (hcd->rsrc_start, hcd->rsrc_len);
+                release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
         } else
-                release_region (hcd->rsrc_start, hcd->rsrc_len);
+                release_region(hcd->rsrc_start, hcd->rsrc_len);
  err2:
-        usb_put_hcd (hcd);
+        usb_put_hcd(hcd);
  err1:
-        pci_disable_device (dev);
-        dev_err (&dev->dev, "init %s fail, %d\n", pci_name(dev), retval);
+        pci_disable_device(dev);
+        dev_err(&dev->dev, "init %s fail, %d\n", pci_name(dev), retval);
         return retval;
-} 
+}
 EXPORT_SYMBOL_GPL(usb_hcd_pci_probe);
 
 
@@ -161,7 +166,7 @@ EXPORT_SYMBOL_GPL(usb_hcd_pci_probe);
  *
  * Store this function in the HCD's struct pci_driver as remove().
  */
-void usb_hcd_pci_remove (struct pci_dev *dev)
+void usb_hcd_pci_remove(struct pci_dev *dev)
 {
         struct usb_hcd          *hcd;
 
@@ -169,14 +174,14 @@ void usb_hcd_pci_remove (struct pci_dev *dev)
         if (!hcd)
                 return;
 
-        usb_remove_hcd (hcd);
+        usb_remove_hcd(hcd);
         if (hcd->driver->flags & HCD_MEMORY) {
-                iounmap (hcd->regs);
-                release_mem_region (hcd->rsrc_start, hcd->rsrc_len);
+                iounmap(hcd->regs);
+                release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
         } else {
-                release_region (hcd->rsrc_start, hcd->rsrc_len);
+                release_region(hcd->rsrc_start, hcd->rsrc_len);
         }
-        usb_put_hcd (hcd);
+        usb_put_hcd(hcd);
         pci_disable_device(dev);
 }
 EXPORT_SYMBOL_GPL(usb_hcd_pci_remove);
@@ -191,7 +196,7 @@ EXPORT_SYMBOL_GPL(usb_hcd_pci_remove);
  *
  * Store this function in the HCD's struct pci_driver as suspend().
  */
-int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t message)
+int usb_hcd_pci_suspend(struct pci_dev *dev, pm_message_t message)
 {
         struct usb_hcd          *hcd;
         int                     retval = 0;
@@ -246,8 +251,8 @@ int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t message)
 
                 /* no DMA or IRQs except when HC is active */
                 if (dev->current_state == PCI_D0) {
-                        pci_save_state (dev);
-                        pci_disable_device (dev);
+                        pci_save_state(dev);
+                        pci_disable_device(dev);
                 }
 
                 if (message.event == PM_EVENT_FREEZE ||
@@ -257,7 +262,7 @@ int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t message)
                 }
 
                 if (!has_pci_pm) {
-                        dev_dbg (hcd->self.controller, "--> PCI D0/legacy\n");
+                        dev_dbg(hcd->self.controller, "--> PCI D0/legacy\n");
                         goto done;
                 }
 
@@ -266,30 +271,30 @@ int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t message)
                  * PCI_D3 (but not PCI_D1 or PCI_D2) is allowed to reset
                  * some device state (e.g. as part of clock reinit).
                  */
-                retval = pci_set_power_state (dev, PCI_D3hot);
+                retval = pci_set_power_state(dev, PCI_D3hot);
                 suspend_report_result(pci_set_power_state, retval);
                 if (retval == 0) {
                         int wake = device_can_wakeup(&hcd->self.root_hub->dev);
 
                         wake = wake && device_may_wakeup(hcd->self.controller);
 
-                        dev_dbg (hcd->self.controller, "--> PCI D3%s\n",
+                        dev_dbg(hcd->self.controller, "--> PCI D3%s\n",
                                         wake ? "/wakeup" : "");
 
                         /* Ignore these return values.  We rely on pci code to
                          * reject requests the hardware can't implement, rather
                          * than coding the same thing.
                          */
-                        (void) pci_enable_wake (dev, PCI_D3hot, wake);
-                        (void) pci_enable_wake (dev, PCI_D3cold, wake);
+                        (void) pci_enable_wake(dev, PCI_D3hot, wake);
+                        (void) pci_enable_wake(dev, PCI_D3cold, wake);
                 } else {
-                        dev_dbg (&dev->dev, "PCI D3 suspend fail, %d\n",
+                        dev_dbg(&dev->dev, "PCI D3 suspend fail, %d\n",
                                         retval);
-                        (void) usb_hcd_pci_resume (dev);
+                        (void) usb_hcd_pci_resume(dev);
                 }
 
         } else if (hcd->state != HC_STATE_HALT) {
-                dev_dbg (hcd->self.controller, "hcd state %d; not suspended\n",
+                dev_dbg(hcd->self.controller, "hcd state %d; not suspended\n",
                         hcd->state);
                 WARN_ON(1);
                 retval = -EINVAL;
@@ -304,7 +309,7 @@ done:
                 if (machine_is(powermac)) {
                         struct device_node      *of_node;
 
-                        of_node = pci_device_to_OF_node (dev);
+                        of_node = pci_device_to_OF_node(dev);
                         if (of_node)
                                 pmac_call_feature(PMAC_FTR_USB_ENABLE,
                                                         of_node, 0, 0);
@@ -322,14 +327,14 @@ EXPORT_SYMBOL_GPL(usb_hcd_pci_suspend);
  *
  * Store this function in the HCD's struct pci_driver as resume().
  */
-int usb_hcd_pci_resume (struct pci_dev *dev)
+int usb_hcd_pci_resume(struct pci_dev *dev)
 {
         struct usb_hcd          *hcd;
         int                     retval;
 
         hcd = pci_get_drvdata(dev);
         if (hcd->state != HC_STATE_SUSPENDED) {
-                dev_dbg (hcd->self.controller, 
+                dev_dbg(hcd->self.controller,
                                 "can't resume, not suspended!\n");
                 return 0;
         }
@@ -339,9 +344,9 @@ int usb_hcd_pci_resume (struct pci_dev *dev)
         if (machine_is(powermac)) {
                 struct device_node *of_node;
 
-                of_node = pci_device_to_OF_node (dev);
+                of_node = pci_device_to_OF_node(dev);
                 if (of_node)
-                        pmac_call_feature (PMAC_FTR_USB_ENABLE,
+                        pmac_call_feature(PMAC_FTR_USB_ENABLE,
                                                 of_node, 0, 1);
         }
 #endif
@@ -380,8 +385,8 @@ int usb_hcd_pci_resume (struct pci_dev *dev)
                 }
 #endif
                 /* yes, ignore these results too... */
-                (void) pci_enable_wake (dev, dev->current_state, 0);
-                (void) pci_enable_wake (dev, PCI_D3cold, 0);
+                (void) pci_enable_wake(dev, dev->current_state, 0);
+                (void) pci_enable_wake(dev, PCI_D3cold, 0);
         } else {
                 /* Same basic cases: clean (powered/not), dirty */
                 dev_dbg(hcd->self.controller, "PCI legacy resume\n");
@@ -392,14 +397,14 @@ int usb_hcd_pci_resume (struct pci_dev *dev)
          * but that won't re-enable bus mastering.  Yet pci_disable_device()
          * explicitly disables bus mastering...
          */
-        retval = pci_enable_device (dev);
+        retval = pci_enable_device(dev);
         if (retval < 0) {
-                dev_err (hcd->self.controller,
+                dev_err(hcd->self.controller,
                         "can't re-enable after resume, %d!\n", retval);
                 return retval;
         }
-        pci_set_master (dev);
-        pci_restore_state (dev);
+        pci_set_master(dev);
+        pci_restore_state(dev);
 
         dev->dev.power.power_state = PMSG_ON;
 
@@ -408,9 +413,9 @@ int usb_hcd_pci_resume (struct pci_dev *dev)
         if (hcd->driver->resume) {
                 retval = hcd->driver->resume(hcd);
                 if (retval) {
-                        dev_err (hcd->self.controller,
+                        dev_err(hcd->self.controller,
                                 "PCI post-resume error %d!\n", retval);
-                        usb_hc_died (hcd);
+                        usb_hc_died(hcd);
                 }
         }
 
@@ -424,7 +429,7 @@ EXPORT_SYMBOL_GPL(usb_hcd_pci_resume);
  * usb_hcd_pci_shutdown - shutdown host controller
  * @dev: USB Host Controller being shutdown
  */
-void usb_hcd_pci_shutdown (struct pci_dev *dev)
+void usb_hcd_pci_shutdown(struct pci_dev *dev)
 {
         struct usb_hcd          *hcd;