diff options
| author | William Wu <william.wu@rock-chips.com> | 2019-01-04 11:22:54 +0800 |
|---|---|---|
| committer | Tao Huang <huangtao@rock-chips.com> | 2019-01-04 20:57:03 +0800 |
| commit | c0bd48bb3e6eb2505db700836647e5b4407e167b (patch) | |
| tree | 1eaa84d473aca1de5c2d8a5aa86f58ef6f65c637 /include | |
| parent | 18bd7e7c4da5e2f34d682efd43995c603950870f (diff) | |
usb: xhci: set xhci trb ent quirk based on platform data
If an xhci platform needs to enable the ENT flag in the TRB
to force the xHC to pre-fetch the next TRB of a TD, then
add the XHCI_TRB_ENT_QUIRK flag.
Change-Id: Ib7cc095a848f0846ad995529ad703ae4e4ee4d44
Signed-off-by: William Wu <william.wu@rock-chips.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/usb/xhci_pdriver.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/usb/xhci_pdriver.h b/include/linux/usb/xhci_pdriver.h index 5df42af8a404..11d813d2bcdc 100644 --- a/include/linux/usb/xhci_pdriver.h +++ b/include/linux/usb/xhci_pdriver.h @@ -21,6 +21,9 @@ * @xhci_slow_suspend: set if this xhci platform need an extraordinary * delay to wait for xHC enter the Halted state * after the Run/Stop (R/S) bit is cleared to '0'. + * @xhci_trb_ent: set if this xhci platform need to enable the Evaluate + * Next TRB(ENT) flag in the TRB data structure to force + * xHC to pre-fetch the next TRB of a TD. * @usb3_disable_autosuspend: determines if this xhci platform supports * USB3 autosuspend capability * @usb3_warm_reset_on_resume: determines if it need warm reset on resume. @@ -29,6 +32,7 @@ struct usb_xhci_pdata { unsigned usb3_lpm_capable:1; unsigned xhci_slow_suspend:1; + unsigned xhci_trb_ent:1; unsigned usb3_disable_autosuspend:1; unsigned usb3_warm_reset_on_resume:1; }; |