diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 6 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-platform.c | 6 | ||||
| -rw-r--r-- | drivers/usb/host/ehci.h | 2 |
3 files changed, 9 insertions, 5 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 38bfeedae1d0..85e56d1abd23 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -1110,7 +1110,7 @@ int ehci_suspend(struct usb_hcd *hcd, bool do_wakeup) EXPORT_SYMBOL_GPL(ehci_suspend); /* Returns 0 if power was preserved, 1 if power was lost */ -int ehci_resume(struct usb_hcd *hcd, bool hibernated) +int ehci_resume(struct usb_hcd *hcd, bool force_reset) { struct ehci_hcd *ehci = hcd_to_ehci(hcd); @@ -1124,12 +1124,12 @@ int ehci_resume(struct usb_hcd *hcd, bool hibernated) return 0; /* Controller is dead */ /* - * If CF is still set and we aren't resuming from hibernation + * If CF is still set and reset isn't forced * then we maintained suspend power. * Just undo the effect of ehci_suspend(). */ if (ehci_readl(ehci, &ehci->regs->configured_flag) == FLAG_CF && - !hibernated) { + !force_reset) { int mask = INTR_MASK; ehci_prepare_ports_for_controller_resume(ehci); diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c index 8557803e6154..db5c29edf6db 100644 --- a/drivers/usb/host/ehci-platform.c +++ b/drivers/usb/host/ehci-platform.c @@ -185,6 +185,10 @@ static int ehci_platform_probe(struct platform_device *dev) if (of_property_read_bool(dev->dev.of_node, "big-endian")) ehci->big_endian_mmio = ehci->big_endian_desc = 1; + if (of_property_read_bool(dev->dev.of_node, + "needs-reset-on-resume")) + pdata->reset_on_resume = 1; + priv->phy = devm_phy_get(&dev->dev, "usb"); if (IS_ERR(priv->phy)) { err = PTR_ERR(priv->phy); @@ -340,7 +344,7 @@ static int ehci_platform_resume(struct device *dev) return err; } - ehci_resume(hcd, false); + ehci_resume(hcd, pdata->reset_on_resume); return 0; } #endif /* CONFIG_PM_SLEEP */ diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index 6f0577b0a5ae..52ef0844a180 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -871,7 +871,7 @@ extern int ehci_handshake(struct ehci_hcd *ehci, void __iomem *ptr, #ifdef CONFIG_PM extern int ehci_suspend(struct usb_hcd *hcd, bool do_wakeup); -extern int ehci_resume(struct usb_hcd *hcd, bool hibernated); +extern int ehci_resume(struct usb_hcd *hcd, bool force_reset); #endif /* CONFIG_PM */ extern int ehci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, |