diff options
| author | Peter Chen <peter.chen@nxp.com> | 2017-07-19 16:27:02 +0800 |
|---|---|---|
| committer | Leonard Crestez <leonard.crestez@nxp.com> | 2018-08-24 12:41:33 +0300 |
| commit | fc223e18487cab8d80dd61f8fe30b61642e0f6d8 (patch) | |
| tree | 73670abe4c6a20a3db87b0a79b90992f1c437188 /drivers/usb/host | |
| parent | 359a06a19b35df0b28323660d07e2a446340a132 (diff) | |
MLK-16065-8 usb: host: xhci: add XHCI_SKIP_ACCESS_RESERVED_REG quirk
The IMX XHCI host which uses cadence USB3 IP is not compatible with
xHCI spec, the controller will trigger an exception if
visiting reserved registers, but the xHCI spec does not forbid it,
so add one quirk for skipping access reserved registers.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/xhci.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 3e84aac2a926..0a5b22bb58a9 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1666,6 +1666,7 @@ struct xhci_hcd { #define XHCI_LIMIT_ENDPOINT_INTERVAL_7 (1 << 26) /* Reserved. It was XHCI_U2_DISABLE_WAKE */ #define XHCI_ASMEDIA_MODIFY_FLOWCONTROL (1 << 28) +#define XHCI_SKIP_ACCESS_RESERVED_REG (1 << 29) unsigned int num_active_eps; unsigned int limit_active_eps; |