so we can detect when we enter in slow_clock mode and drop
at91_suspend_entering_slow_clock
Cc: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
Cc: linux-pm@xxxxxxxxxxxxxxx
Cc: linux-usb@xxxxxxxxxxxxxxx
---
drivers/usb/host/ohci-at91.c | 38 ++++++++++++++++++++++++--------------
1 file changed, 24 insertions(+), 14 deletions(-)
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 0bf72f9..316897d 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -668,14 +668,12 @@ static int __devexit ohci_hcd_at91_drv_remove(struct platform_device *pdev)
}
#ifdef CONFIG_PM
-
-static int
-ohci_hcd_at91_drv_suspend(struct platform_device *pdev, pm_message_t mesg)
+static int ohci_hcd_at91_drv_suspend(struct device *dev, int slow_clock)
{
- struct usb_hcd *hcd = platform_get_drvdata(pdev);
+ struct usb_hcd *hcd = dev_get_drvdata(dev);
struct ohci_hcd *ohci = hcd_to_ohci(hcd);
- if (device_may_wakeup(&pdev->dev))
+ if (device_may_wakeup(dev))
enable_irq_wake(hcd->irq);
/*
@@ -685,7 +683,7 @@ ohci_hcd_at91_drv_suspend(struct platform_device *pdev, pm_message_t mesg)
*
* REVISIT: some boards will be able to turn VBUS off...
*/
- if (at91_suspend_entering_slow_clock()) {
+ if (slow_clock) {
ohci_usb_reset (ohci);
/* flush the writes */
(void) ohci_readl (ohci, &ohci->regs->control);
@@ -695,11 +693,21 @@ ohci_hcd_at91_drv_suspend(struct platform_device *pdev, pm_message_t mesg)
return 0;
}
-static int ohci_hcd_at91_drv_resume(struct platform_device *pdev)
+static int ohci_hcd_at91_drv_suspend_standby(struct device *dev)
+{
+ return ohci_hcd_at91_drv_suspend(dev, 0);
+}
+
+static int ohci_hcd_at91_drv_suspend_mem(struct device *dev)
+{
+ return ohci_hcd_at91_drv_suspend(dev, 1);
+}
+
+static int ohci_hcd_at91_drv_resume(struct device *dev)
{
- struct usb_hcd *hcd = platform_get_drvdata(pdev);
+ struct usb_hcd *hcd = dev_get_drvdata(dev);
- if (device_may_wakeup(&pdev->dev))
+ if (device_may_wakeup(dev))
disable_irq_wake(hcd->irq);
if (!clocked)
@@ -708,22 +716,24 @@ static int ohci_hcd_at91_drv_resume(struct platform_device *pdev)
ohci_finish_controller_resume(hcd);
return 0;
}
-#else
-#define ohci_hcd_at91_drv_suspend NULL
-#define ohci_hcd_at91_drv_resume NULL
#endif
+static struct dev_pm_ops ohci_hcd_at91_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(ohci_hcd_at91_drv_suspend_standby, ohci_hcd_at91_drv_resume)
+ SET_SYSTEM_SLEEP_STANDBY_MEM_PM_OPS(ohci_hcd_at91_drv_suspend_standby,
+ ohci_hcd_at91_drv_suspend_mem)
+};
+
MODULE_ALIAS("platform:at91_ohci");
static struct platform_driver ohci_hcd_at91_driver = {
.probe = ohci_hcd_at91_drv_probe,
.remove = __devexit_p(ohci_hcd_at91_drv_remove),
.shutdown = usb_hcd_platform_shutdown,
- .suspend = ohci_hcd_at91_drv_suspend,
- .resume = ohci_hcd_at91_drv_resume,
.driver = {
.name = "at91_ohci",
.owner = THIS_MODULE,
+ .pm = &ohci_hcd_at91_pm_ops,
.of_match_table = of_match_ptr(at91_ohci_dt_ids),
},
};
--
1.7.10.4
--
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