Merge branch 'linus' into x86/ptemask

[linux-2.6-omap-h63xx.git] / drivers / usb / host / ehci-hub.c

diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 4e065e556e4b802c8c83a507973fb31a56931460..740835bb85758ff260557d2b38dda2911d29dc25 100644 (file)
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -28,7 +28,9 @@
 
 /*-------------------------------------------------------------------------*/
 
-#ifdef CONFIG_USB_PERSIST
+#define        PORT_WAKE_BITS  (PORT_WKOC_E|PORT_WKDISC_E|PORT_WKCONN_E)
+
+#ifdef CONFIG_PM
 
 static int ehci_hub_control(
        struct usb_hcd  *hcd,
@@ -104,15 +106,6 @@ static void ehci_handover_companion_ports(struct ehci_hcd *ehci)
        ehci->owned_ports = 0;
 }
 
-#else  /* CONFIG_USB_PERSIST */
-
-static inline void ehci_handover_companion_ports(struct ehci_hcd *ehci)
-{ }
-
-#endif
-
-#ifdef CONFIG_PM
-
 static int ehci_bus_suspend (struct usb_hcd *hcd)
 {
        struct ehci_hcd         *ehci = hcd_to_ehci (hcd);
@@ -158,10 +151,10 @@ static int ehci_bus_suspend (struct usb_hcd *hcd)
                }
 
                /* enable remote wakeup on all ports */
-               if (device_may_wakeup(&hcd->self.root_hub->dev))
-                       t2 |= PORT_WKOC_E|PORT_WKDISC_E|PORT_WKCONN_E;
+               if (hcd->self.root_hub->do_remote_wakeup)
+                       t2 |= PORT_WAKE_BITS;
                else
-                       t2 &= ~(PORT_WKOC_E|PORT_WKDISC_E|PORT_WKCONN_E);
+                       t2 &= ~PORT_WAKE_BITS;
 
                if (t1 != t2) {
                        ehci_vdbg (ehci, "port %d, %08x -> %08x\n",
@@ -183,7 +176,7 @@ static int ehci_bus_suspend (struct usb_hcd *hcd)
 
        /* allow remote wakeup */
        mask = INTR_MASK;
-       if (!device_may_wakeup(&hcd->self.root_hub->dev))
+       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);
@@ -241,8 +234,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
        i = HCS_N_PORTS (ehci->hcs_params);
        while (i--) {
                temp = ehci_readl(ehci, &ehci->regs->port_status [i]);
-               temp &= ~(PORT_RWC_BITS
-                       | PORT_WKOC_E | PORT_WKDISC_E | PORT_WKCONN_E);
+               temp &= ~(PORT_RWC_BITS | PORT_WAKE_BITS);
                if (test_bit(i, &ehci->bus_suspended) &&
                                (temp & PORT_SUSPEND)) {
                        ehci->reset_done [i] = jiffies + msecs_to_jiffies (20);
@@ -281,9 +273,7 @@ static int ehci_bus_resume (struct usb_hcd *hcd)
        ehci_writel(ehci, INTR_MASK, &ehci->regs->intr_enable);
 
        spin_unlock_irq (&ehci->lock);
-
-       if (!power_okay)
-               ehci_handover_companion_ports(ehci);
+       ehci_handover_companion_ports(ehci);
        return 0;
 }
 
@@ -540,13 +530,11 @@ ehci_hub_descriptor (
        if (HCS_INDICATOR (ehci->hcs_params))
                temp |= 0x0080;         /* per-port indicators (LEDs) */
 #endif
-       desc->wHubCharacteristics = (__force __u16)cpu_to_le16 (temp);
+       desc->wHubCharacteristics = cpu_to_le16(temp);
 }
 
 /*-------------------------------------------------------------------------*/
 
-#define        PORT_WAKE_BITS  (PORT_WKOC_E|PORT_WKDISC_E|PORT_WKCONN_E)
-
 static int ehci_hub_control (
        struct usb_hcd  *hcd,
        u16             typeReq,
@@ -621,7 +609,7 @@ static int ehci_hub_control (
                        }
                        break;
                case USB_PORT_FEAT_C_SUSPEND:
-                       /* we auto-clear this feature */
+                       clear_bit(wIndex, &ehci->port_c_suspend);
                        break;
                case USB_PORT_FEAT_POWER:
                        if (HCS_PPC (ehci->hcs_params))
@@ -700,7 +688,7 @@ static int ehci_hub_control (
                        /* resume completed? */
                        else if (time_after_eq(jiffies,
                                        ehci->reset_done[wIndex])) {
-                               status |= 1 << USB_PORT_FEAT_C_SUSPEND;
+                               set_bit(wIndex, &ehci->port_c_suspend);
                                ehci->reset_done[wIndex] = 0;
 
                                /* stop resume signaling */
@@ -777,12 +765,14 @@ static int ehci_hub_control (
                        status |= 1 << USB_PORT_FEAT_RESET;
                if (temp & PORT_POWER)
                        status |= 1 << USB_PORT_FEAT_POWER;
+               if (test_bit(wIndex, &ehci->port_c_suspend))
+                       status |= 1 << USB_PORT_FEAT_C_SUSPEND;
 
-#ifndef        EHCI_VERBOSE_DEBUG
+#ifndef        VERBOSE_DEBUG
        if (status & ~0xffff)   /* only if wPortChange is interesting */
 #endif
                dbg_port (ehci, "GetStatus", wIndex + 1, temp);
-               put_unaligned(cpu_to_le32 (status), (__le32 *) buf);
+               put_unaligned_le32(status, buf);
                break;
        case SetHubFeature:
                switch (wValue) {
@@ -812,8 +802,6 @@ static int ehci_hub_control (
                        if ((temp & PORT_PE) == 0
                                        || (temp & PORT_RESET) != 0)
                                goto error;
-                       if (device_may_wakeup(&hcd->self.root_hub->dev))
-                               temp |= PORT_WAKE_BITS;
                        ehci_writel(ehci, temp | PORT_SUSPEND, status_reg);
                        break;
                case USB_PORT_FEAT_POWER:
@@ -889,3 +877,13 @@ static void ehci_relinquish_port(struct usb_hcd *hcd, int portnum)
        set_owner(ehci, --portnum, PORT_OWNER);
 }
 
+static int ehci_port_handed_over(struct usb_hcd *hcd, int portnum)
+{
+       struct ehci_hcd         *ehci = hcd_to_ehci(hcd);
+       u32 __iomem             *reg;
+
+       if (ehci_is_TDI(ehci))
+               return 0;
+       reg = &ehci->regs->port_status[portnum - 1];
+       return ehci_readl(ehci, reg) & PORT_OWNER;
+}