1 files changed, 38 insertions, 10 deletions

diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index 84d9e69..29b5b2a 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -17,19 +17,20 @@
  */
 
 #include <linux/config.h>
-
-#ifdef CONFIG_USB_DEBUG
-	#define DEBUG
-#else
-	#undef DEBUG
-#endif
-
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/pci.h>
+#include <linux/usb.h>
+
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <linux/usb.h>
+
+#ifdef CONFIG_PPC_PMAC
+#include <asm/machdep.h>
+#include <asm/pmac_feature.h>
+#include <asm/pci-bridge.h>
+#include <asm/prom.h>
+#endif
 
 #include "usb.h"
 #include "hcd.h"
@@ -218,6 +219,7 @@ int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t message)
 			goto done;
 		}
 	}
+	synchronize_irq(dev->irq);
 
 	/* FIXME until the generic PM interfaces change a lot more, this
 	 * can't use PCI D1 and D2 states.  For example, the confusion
@@ -284,8 +286,22 @@ int usb_hcd_pci_suspend (struct pci_dev *dev, pm_message_t message)
 	}
 
 done:
-	if (retval == 0)
+	if (retval == 0) {
 		dev->dev.power.power_state = PMSG_SUSPEND;
+
+#ifdef CONFIG_PPC_PMAC
+		/* Disable ASIC clocks for USB */
+		if (_machine == _MACH_Pmac) {
+			struct device_node	*of_node;
+
+			of_node = pci_device_to_OF_node (dev);
+			if (of_node)
+				pmac_call_feature(PMAC_FTR_USB_ENABLE,
+							of_node, 0, 0);
+		}
+#endif
+	}
+
 	return retval;
 }
 EXPORT_SYMBOL (usb_hcd_pci_suspend);
@@ -308,6 +324,18 @@ int usb_hcd_pci_resume (struct pci_dev *dev)
 		return 0;
 	}
 
+#ifdef CONFIG_PPC_PMAC
+	/* Reenable ASIC clocks for USB */
+	if (_machine == _MACH_Pmac) {
+		struct device_node *of_node;
+
+		of_node = pci_device_to_OF_node (dev);
+		if (of_node)
+			pmac_call_feature (PMAC_FTR_USB_ENABLE,
+						of_node, 0, 1);
+	}
+#endif
+
 	/* NOTE:  chip docs cover clean "real suspend" cases (what Linux
 	 * calls "standby", "suspend to RAM", and so on).  There are also
 	 * dirty cases when swsusp fakes a suspend in "shutdown" mode.
@@ -365,7 +393,7 @@ int usb_hcd_pci_resume (struct pci_dev *dev)
 
 	dev->dev.power.power_state = PMSG_ON;
 
-	hcd->saw_irq = 0;
+	clear_bit(HCD_FLAG_SAW_IRQ, &hcd->flags);
 
 	if (hcd->driver->resume) {
 		retval = hcd->driver->resume(hcd);