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yaml
---
r: 4623
b: refs/heads/master
c: b404a5b
h: refs/heads/master
i:
  4621: e90071d
  4619: 577dc1d
  4615: 7046b67
  4607: c5f1070
v: v3
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david-b@pacbell.net authored and Greg Kroah-Hartman committed Jul 12, 2005
1 parent 4e536ef commit 8d98518
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Showing 2 changed files with 17 additions and 38 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 1d7beee3d4b4ae7faa881ef05ff5d94a125ed8a6
refs/heads/master: b404a5b02abf84812e5333bda201af464925d7a6
53 changes: 16 additions & 37 deletions trunk/drivers/usb/host/ohci-omap.c
Original file line number Diff line number Diff line change
Expand Up @@ -456,34 +456,22 @@ static int ohci_hcd_omap_drv_remove(struct device *dev)

#ifdef CONFIG_PM

/* states match PCI usage, always suspending the root hub except that
* 4 ~= D3cold (ACPI D3) with clock off (resume sees reset).
*
* FIXME: above comment is not right, and code is wrong, too :-(.
*/

static int ohci_omap_suspend(struct device *dev, pm_message_t state, u32 level)
static int ohci_omap_suspend(struct device *dev, pm_message_t message, u32 level)
{
struct ohci_hcd *ohci = hcd_to_ohci(dev_get_drvdata(dev));
int status = -EINVAL;

if (level != SUSPEND_POWER_DOWN)
return 0;
if (state <= dev->power.power_state)
return 0;

dev_dbg(dev, "suspend to %d\n", state);
down(&ohci_to_hcd(ohci)->self.root_hub->serialize);
status = ohci_hub_suspend(ohci_to_hcd(ohci));
if (status == 0) {
if (state >= 4) {
omap_ohci_clock_power(0);
ohci_to_hcd(ohci)->self.root_hub->state =
USB_STATE_SUSPENDED;
state = 4;
}
omap_ohci_clock_power(0);
ohci_to_hcd(ohci)->self.root_hub->state =
USB_STATE_SUSPENDED;
ohci_to_hcd(ohci)->state = HC_STATE_SUSPENDED;
dev->power.power_state = state;
dev->power.power_state = PMSG_SUSPEND;
}
up(&ohci_to_hcd(ohci)->self.root_hub->serialize);
return status;
Expand All @@ -497,29 +485,20 @@ static int ohci_omap_resume(struct device *dev, u32 level)
if (level != RESUME_POWER_ON)
return 0;

switch (dev->power.power_state) {
case 0:
break;
case 4:
if (time_before(jiffies, ohci->next_statechange))
msleep(5);
ohci->next_statechange = jiffies;
omap_ohci_clock_power(1);
/* FALLTHROUGH */
default:
dev_dbg(dev, "resume from %d\n", dev->power.power_state);
if (time_before(jiffies, ohci->next_statechange))
msleep(5);
ohci->next_statechange = jiffies;
omap_ohci_clock_power(1);
#ifdef CONFIG_USB_SUSPEND
/* get extra cleanup even if remote wakeup isn't in use */
status = usb_resume_device(ohci_to_hcd(ohci)->self.root_hub);
/* get extra cleanup even if remote wakeup isn't in use */
status = usb_resume_device(ohci_to_hcd(ohci)->self.root_hub);
#else
down(&ohci_to_hcd(ohci)->self.root_hub->serialize);
status = ohci_hub_resume(ohci_to_hcd(ohci));
up(&ohci_to_hcd(ohci)->self.root_hub->serialize);
down(&ohci_to_hcd(ohci)->self.root_hub->serialize);
status = ohci_hub_resume(ohci_to_hcd(ohci));
up(&ohci_to_hcd(ohci)->self.root_hub->serialize);
#endif
if (status == 0)
dev->power.power_state = 0;
break;
}
if (status == 0)
dev->power.power_state = PMSG_ON;
return status;
}

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