diff options
Diffstat (limited to 'drivers/usb/host/ohci-exynos.c')
| -rw-r--r-- | drivers/usb/host/ohci-exynos.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c index 91ec9b2cd378..68588d8a09bb 100644 --- a/drivers/usb/host/ohci-exynos.c +++ b/drivers/usb/host/ohci-exynos.c @@ -146,6 +146,7 @@ skip_phy: dev_err(&pdev->dev, "Failed to add USB HCD\n"); goto fail_add_hcd; } + device_wakeup_enable(hcd->self.controller); return 0; fail_add_hcd: @@ -191,23 +192,14 @@ static int exynos_ohci_suspend(struct device *dev) struct exynos_ohci_hcd *exynos_ohci = to_exynos_ohci(hcd); struct ohci_hcd *ohci = hcd_to_ohci(hcd); struct platform_device *pdev = to_platform_device(dev); + bool do_wakeup = device_may_wakeup(dev); unsigned long flags; - int rc = 0; + int rc = ohci_suspend(hcd, do_wakeup); - /* - * Root hub was already suspended. Disable irq emission and - * mark HW unaccessible, bail out if RH has been resumed. Use - * the spinlock to properly synchronize with possible pending - * RH suspend or resume activity. - */ - spin_lock_irqsave(&ohci->lock, flags); - if (ohci->rh_state != OHCI_RH_SUSPENDED && - ohci->rh_state != OHCI_RH_HALTED) { - rc = -EINVAL; - goto fail; - } + if (rc) + return rc; - clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags); + spin_lock_irqsave(&ohci->lock, flags); if (exynos_ohci->otg) exynos_ohci->otg->set_host(exynos_ohci->otg, &hcd->self); @@ -216,10 +208,9 @@ static int exynos_ohci_suspend(struct device *dev) clk_disable_unprepare(exynos_ohci->clk); -fail: spin_unlock_irqrestore(&ohci->lock, flags); - return rc; + return 0; } static int exynos_ohci_resume(struct device *dev) |