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| author | Ingo Molnar <mingo@kernel.org> | 2013-10-09 12:36:13 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-10-09 12:36:13 +0200 |
| commit | 37bf06375c90a42fe07b9bebdb07bc316ae5a0ce (patch) | |
| tree | de572dd6d3955b0725001776a7b03796f99e1e8e /drivers/usb/host/xhci.h | |
| parent | sched/rt: Remove redundant nr_cpus_allowed test (diff) | |
| parent | Linux 3.12-rc4 (diff) | |
| download | linux-37bf06375c90a42fe07b9bebdb07bc316ae5a0ce.tar.xz linux-37bf06375c90a42fe07b9bebdb07bc316ae5a0ce.zip | |
Merge tag 'v3.12-rc4' into sched/core
Merge Linux v3.12-rc4 to fix a conflict and also to refresh the tree
before applying more scheduler patches.
Conflicts:
arch/avr32/include/asm/Kbuild
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 46aa14894148..289fbfbae746 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1412,8 +1412,18 @@ struct xhci_bus_state { unsigned long resume_done[USB_MAXCHILDREN]; /* which ports have started to resume */ unsigned long resuming_ports; + /* Which ports are waiting on RExit to U0 transition. */ + unsigned long rexit_ports; + struct completion rexit_done[USB_MAXCHILDREN]; }; + +/* + * It can take up to 20 ms to transition from RExit to U0 on the + * Intel Lynx Point LP xHCI host. + */ +#define XHCI_MAX_REXIT_TIMEOUT (20 * 1000) + static inline unsigned int hcd_index(struct usb_hcd *hcd) { if (hcd->speed == HCD_USB3) @@ -1840,6 +1850,7 @@ int xhci_cancel_cmd(struct xhci_hcd *xhci, struct xhci_command *command, union xhci_trb *cmd_trb); void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id, unsigned int ep_index, unsigned int stream_id); +union xhci_trb *xhci_find_next_enqueue(struct xhci_ring *ring); /* xHCI roothub code */ void xhci_set_link_state(struct xhci_hcd *xhci, __le32 __iomem **port_array, |