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path: root/drivers/usb/host/xhci.h
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Diffstat (limited to 'drivers/usb/host/xhci.h')
-rw-r--r--drivers/usb/host/xhci.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index f5cb7417f231..d55b3678c8b8 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,