Please consider using pci_choose_state() for translation
from message.event to pci_power_t. This function already
calls pci_find_capability().
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--- linux-2.6.17-rc5/drivers/usb/core/hcd-pci.c.orig 2006-05-31
09:00:34.000000000 +0200
+++ linux-2.6.17-rc5/drivers/usb/core/hcd-pci.c 2006-05-31 09:13:01.000000000
+0200
@@ -196,7 +196,6 @@ int usb_hcd_pci_suspend (struct pci_dev
{
struct usb_hcd *hcd;
int retval = 0;
- int has_pci_pm;
hcd = pci_get_drvdata(dev);
@@ -235,7 +234,6 @@ int usb_hcd_pci_suspend (struct pci_dev
* below, HCs can try global suspend and reduce DMA traffic.
* PM-sensitive HCDs may already have done this.
*/
- has_pci_pm = pci_find_capability(dev, PCI_CAP_ID_PM);
/* Downstream ports from this root hub should already be quiesced, so
* there will be no DMA activity. Now we can shut down the upstream
@@ -243,6 +241,8 @@ int usb_hcd_pci_suspend (struct pci_dev
* low power state, if the hardware allows.
*/
if (hcd->state == HC_STATE_SUSPENDED) {
+ pci_power_t d;
+ d = pci_choose_state (dev, message);
/* no DMA or IRQs except when HC is active */
if (dev->current_state == PCI_D0) {
@@ -250,7 +250,7 @@ int usb_hcd_pci_suspend (struct pci_dev
pci_disable_device (dev);
}
- if (!has_pci_pm) {
+ if (!d) {
dev_dbg (hcd->self.controller, "--> PCI D0/legacy\n");
goto done;
}
@@ -260,24 +260,23 @@ int usb_hcd_pci_suspend (struct pci_dev
* 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, d);
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 D%d%s\n", d,
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, d, wake);
} else {
- dev_dbg (&dev->dev, "PCI D3 suspend fail, %d\n",
+ dev_dbg (&dev->dev, "PCI D%d suspend fail, %d\n", d,
retval);
(void) usb_hcd_pci_resume (dev);
}
@@ -291,7 +290,7 @@ int usb_hcd_pci_suspend (struct pci_dev
done:
if (retval == 0) {
- dev->dev.power.power_state = PMSG_SUSPEND;
+ dev->dev.power.power_state = message;
#ifdef CONFIG_PPC_PMAC
/* Disable ASIC clocks for USB */
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