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| author | Ingo Molnar <mingo@kernel.org> | 2019-06-24 19:19:53 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-06-24 19:19:53 +0200 |
| commit | d2abae71ebcc409828b24ce9da402548ecdf1311 (patch) | |
| tree | 5edfafc2828d3bcebb3698520ccba374cd4328c0 /drivers/usb/host/xhci.h | |
| parent | sched/fair: Don't push cfs_bandwith slack timers forward (diff) | |
| parent | Linux 5.2-rc6 (diff) | |
| download | linux-d2abae71ebcc409828b24ce9da402548ecdf1311.tar.xz linux-d2abae71ebcc409828b24ce9da402548ecdf1311.zip | |
Merge tag 'v5.2-rc6' into sched/core, to refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 7f8b950d1a73..92e764c54154 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1010,6 +1010,15 @@ struct xhci_virt_device { u8 real_port; struct xhci_interval_bw_table *bw_table; struct xhci_tt_bw_info *tt_info; + /* + * flags for state tracking based on events and issued commands. + * Software can not rely on states from output contexts because of + * latency between events and xHC updating output context values. + * See xhci 1.1 section 4.8.3 for more details + */ + unsigned long flags; +#define VDEV_PORT_ERROR BIT(0) /* Port error, link inactive */ + /* The current max exit latency for the enabled USB3 link states. */ u16 current_mel; /* Used for the debugfs interfaces. */ |