1 files changed, 67 insertions, 62 deletions

diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index 851d5e1625d..84760ddbc33 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;