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authorDan Williams <dan.j.williams@intel.com>2009-09-08 23:32:24 +0200
committerDan Williams <dan.j.williams@intel.com>2009-09-08 23:32:24 +0200
commita348a7e6fdbcd2d5192a09719a479bb238fde727 (patch)
tree5ff94185f4e5a810777469d7fe7832a8ec2d3430 /drivers/usb/host/ehci-pci.c
parentdmaengine: at_hdmac: add DMA slave transfers (diff)
parentLinux 2.6.31-rc1 (diff)
downloadlinux-a348a7e6fdbcd2d5192a09719a479bb238fde727.tar.xz
linux-a348a7e6fdbcd2d5192a09719a479bb238fde727.zip
Merge commit 'v2.6.31-rc1' into dmaengine
Diffstat (limited to 'drivers/usb/host/ehci-pci.c')
-rw-r--r--drivers/usb/host/ehci-pci.c27
1 files changed, 12 insertions, 15 deletions
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 5aa8bce90e1f..f3683e1da161 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -268,7 +268,7 @@ done:
* Also they depend on separate root hub suspend/resume.
*/
-static int ehci_pci_suspend(struct usb_hcd *hcd, pm_message_t message)
+static int ehci_pci_suspend(struct usb_hcd *hcd)
{
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
unsigned long flags;
@@ -293,12 +293,6 @@ static int ehci_pci_suspend(struct usb_hcd *hcd, pm_message_t message)
ehci_writel(ehci, 0, &ehci->regs->intr_enable);
(void)ehci_readl(ehci, &ehci->regs->intr_enable);
- /* make sure snapshot being resumed re-enumerates everything */
- if (message.event == PM_EVENT_PRETHAW) {
- ehci_halt(ehci);
- ehci_reset(ehci);
- }
-
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
bail:
spin_unlock_irqrestore (&ehci->lock, flags);
@@ -309,7 +303,7 @@ static int ehci_pci_suspend(struct usb_hcd *hcd, pm_message_t message)
return rc;
}
-static int ehci_pci_resume(struct usb_hcd *hcd)
+static int ehci_pci_resume(struct usb_hcd *hcd, bool hibernated)
{
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
@@ -322,10 +316,12 @@ static int ehci_pci_resume(struct usb_hcd *hcd)
/* Mark hardware accessible again as we are out of D3 state by now */
set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
- /* If CF is still set, we maintained PCI Vaux power.
+ /* If CF is still set and we aren't resuming from hibernation
+ * then we maintained PCI Vaux power.
* Just undo the effect of ehci_pci_suspend().
*/
- if (ehci_readl(ehci, &ehci->regs->configured_flag) == FLAG_CF) {
+ if (ehci_readl(ehci, &ehci->regs->configured_flag) == FLAG_CF &&
+ !hibernated) {
int mask = INTR_MASK;
if (!hcd->self.root_hub->do_remote_wakeup)
@@ -335,7 +331,6 @@ static int ehci_pci_resume(struct usb_hcd *hcd)
return 0;
}
- ehci_dbg(ehci, "lost power, restarting\n");
usb_root_hub_lost_power(hcd->self.root_hub);
/* Else reset, to cope with power loss or flush-to-storage
@@ -393,6 +388,7 @@ static const struct hc_driver ehci_pci_hc_driver = {
.urb_enqueue = ehci_urb_enqueue,
.urb_dequeue = ehci_urb_dequeue,
.endpoint_disable = ehci_endpoint_disable,
+ .endpoint_reset = ehci_endpoint_reset,
/*
* scheduling support
@@ -429,10 +425,11 @@ static struct pci_driver ehci_pci_driver = {
.probe = usb_hcd_pci_probe,
.remove = usb_hcd_pci_remove,
+ .shutdown = usb_hcd_pci_shutdown,
-#ifdef CONFIG_PM
- .suspend = usb_hcd_pci_suspend,
- .resume = usb_hcd_pci_resume,
+#ifdef CONFIG_PM_SLEEP
+ .driver = {
+ .pm = &usb_hcd_pci_pm_ops
+ },
#endif
- .shutdown = usb_hcd_pci_shutdown,
};