diff options
Diffstat (limited to 'drivers/usb/host/ehci-hub.c')
-rw-r--r-- | drivers/usb/host/ehci-hub.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c index 382587c4457c..740835bb8575 100644 --- a/drivers/usb/host/ehci-hub.c +++ b/drivers/usb/host/ehci-hub.c | |||
@@ -609,7 +609,7 @@ static int ehci_hub_control ( | |||
609 | } | 609 | } |
610 | break; | 610 | break; |
611 | case USB_PORT_FEAT_C_SUSPEND: | 611 | case USB_PORT_FEAT_C_SUSPEND: |
612 | /* we auto-clear this feature */ | 612 | clear_bit(wIndex, &ehci->port_c_suspend); |
613 | break; | 613 | break; |
614 | case USB_PORT_FEAT_POWER: | 614 | case USB_PORT_FEAT_POWER: |
615 | if (HCS_PPC (ehci->hcs_params)) | 615 | if (HCS_PPC (ehci->hcs_params)) |
@@ -688,7 +688,7 @@ static int ehci_hub_control ( | |||
688 | /* resume completed? */ | 688 | /* resume completed? */ |
689 | else if (time_after_eq(jiffies, | 689 | else if (time_after_eq(jiffies, |
690 | ehci->reset_done[wIndex])) { | 690 | ehci->reset_done[wIndex])) { |
691 | status |= 1 << USB_PORT_FEAT_C_SUSPEND; | 691 | set_bit(wIndex, &ehci->port_c_suspend); |
692 | ehci->reset_done[wIndex] = 0; | 692 | ehci->reset_done[wIndex] = 0; |
693 | 693 | ||
694 | /* stop resume signaling */ | 694 | /* stop resume signaling */ |
@@ -765,6 +765,8 @@ static int ehci_hub_control ( | |||
765 | status |= 1 << USB_PORT_FEAT_RESET; | 765 | status |= 1 << USB_PORT_FEAT_RESET; |
766 | if (temp & PORT_POWER) | 766 | if (temp & PORT_POWER) |
767 | status |= 1 << USB_PORT_FEAT_POWER; | 767 | status |= 1 << USB_PORT_FEAT_POWER; |
768 | if (test_bit(wIndex, &ehci->port_c_suspend)) | ||
769 | status |= 1 << USB_PORT_FEAT_C_SUSPEND; | ||
768 | 770 | ||
769 | #ifndef VERBOSE_DEBUG | 771 | #ifndef VERBOSE_DEBUG |
770 | if (status & ~0xffff) /* only if wPortChange is interesting */ | 772 | if (status & ~0xffff) /* only if wPortChange is interesting */ |
@@ -875,3 +877,13 @@ static void ehci_relinquish_port(struct usb_hcd *hcd, int portnum) | |||
875 | set_owner(ehci, --portnum, PORT_OWNER); | 877 | set_owner(ehci, --portnum, PORT_OWNER); |
876 | } | 878 | } |
877 | 879 | ||
880 | static int ehci_port_handed_over(struct usb_hcd *hcd, int portnum) | ||
881 | { | ||
882 | struct ehci_hcd *ehci = hcd_to_ehci(hcd); | ||
883 | u32 __iomem *reg; | ||
884 | |||
885 | if (ehci_is_TDI(ehci)) | ||
886 | return 0; | ||
887 | reg = &ehci->regs->port_status[portnum - 1]; | ||
888 | return ehci_readl(ehci, reg) & PORT_OWNER; | ||
889 | } | ||