diff options
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index f5cb7417f23..d55b3678c8b 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -916,6 +916,8 @@ struct xhci_virt_device { u8 real_port; struct xhci_interval_bw_table *bw_table; struct xhci_tt_bw_info *tt_info; + /* The current max exit latency for the enabled USB3 link states. */ + u16 current_mel; }; /* @@ -1486,6 +1488,7 @@ struct xhci_hcd { #define XHCI_SW_BW_CHECKING (1 << 8) #define XHCI_AMD_0x96_HOST (1 << 9) #define XHCI_TRUST_TX_LENGTH (1 << 10) +#define XHCI_LPM_SUPPORT (1 << 11) unsigned int num_active_eps; unsigned int limit_active_eps; /* There are two roothubs to keep track of bus suspend info for */ @@ -1783,6 +1786,10 @@ void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id, /* xHCI roothub code */ void xhci_set_link_state(struct xhci_hcd *xhci, __le32 __iomem **port_array, int port_id, u32 link_state); +int xhci_enable_usb3_lpm_timeout(struct usb_hcd *hcd, + struct usb_device *udev, enum usb3_link_state state); +int xhci_disable_usb3_lpm_timeout(struct usb_hcd *hcd, + struct usb_device *udev, enum usb3_link_state state); void xhci_test_and_clear_bit(struct xhci_hcd *xhci, __le32 __iomem **port_array, int port_id, u32 port_bit); int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex, |