1 files changed, 3 insertions, 71 deletions

diff --git a/drivers/usb/host/ehci-sead3.c b/drivers/usb/host/ehci-sead3.c
index cc199e87a7a9..58c96bd50d22 100644
--- a/drivers/usb/host/ehci-sead3.c
+++ b/drivers/usb/host/ehci-sead3.c
@@ -160,84 +160,16 @@ static int ehci_hcd_sead3_drv_remove(struct platform_device *pdev)
 static int ehci_hcd_sead3_drv_suspend(struct device *dev)
 {
         struct usb_hcd *hcd = dev_get_drvdata(dev);
-        struct ehci_hcd *ehci = hcd_to_ehci(hcd);
-        unsigned long flags;
-        int rc = 0;
-
-        if (time_before(jiffies, ehci->next_statechange))
-                msleep(20);
-
-        /* Root hub was already suspended. Disable irq emission and
-         * mark HW unaccessible.  The PM and USB cores make sure that
-         * the root hub is either suspended or stopped.
-         */
-        ehci_prepare_ports_for_controller_suspend(ehci, device_may_wakeup(dev));
-        spin_lock_irqsave(&ehci->lock, flags);
-        ehci_writel(ehci, 0, &ehci->regs->intr_enable);
-        (void)ehci_readl(ehci, &ehci->regs->intr_enable);
-
-        clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
-        spin_unlock_irqrestore(&ehci->lock, flags);
+        bool do_wakeup = device_may_wakeup(dev);
 
-        /* could save FLADJ in case of Vaux power loss
-         * ... we'd only use it to handle clock skew
-         */
-
-        return rc;
+        return ehci_suspend(hcd, do_wakeup);
 }
 
 static int ehci_hcd_sead3_drv_resume(struct device *dev)
 {
         struct usb_hcd *hcd = dev_get_drvdata(dev);
-        struct ehci_hcd *ehci = hcd_to_ehci(hcd);
-
-        /* maybe restore FLADJ. */
-
-        if (time_before(jiffies, ehci->next_statechange))
-                msleep(100);
-
-        /* Mark hardware accessible again as we are out of D3 state by now */
-        set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
-
-        /* If CF is still set, we maintained PCI Vaux power.
-         * Just undo the effect of ehci_pci_suspend().
-         */
-        if (ehci_readl(ehci, &ehci->regs->configured_flag) == FLAG_CF) {
-                int     mask = INTR_MASK;
-
-                ehci_prepare_ports_for_controller_resume(ehci);
-                if (!hcd->self.root_hub->do_remote_wakeup)
-                        mask &= ~STS_PCD;
-                ehci_writel(ehci, mask, &ehci->regs->intr_enable);
-                ehci_readl(ehci, &ehci->regs->intr_enable);
-                return 0;
-        }
-
-        ehci_dbg(ehci, "lost power, restarting\n");
-        usb_root_hub_lost_power(hcd->self.root_hub);
-
-        /* Else reset, to cope with power loss or flush-to-storage
-         * style "resume" having let BIOS kick in during reboot.
-         */
-        (void) ehci_halt(ehci);
-        (void) ehci_reset(ehci);
-
-        /* emptying the schedule aborts any urbs */
-        spin_lock_irq(&ehci->lock);
-        if (ehci->reclaim)
-                end_unlink_async(ehci);
-        ehci_work(ehci);
-        spin_unlock_irq(&ehci->lock);
-
-        ehci_writel(ehci, ehci->command, &ehci->regs->command);
-        ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
-        ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */
-
-        /* here we "know" root ports should always stay powered */
-        ehci_port_power(ehci, 1);
-
-        ehci->rh_state = EHCI_RH_SUSPENDED;
 
+        ehci_resume(hcd, false);
         return 0;
 }