diff options
| author | Mathias Nyman <mathias.nyman@linux.intel.com> | 2016-11-11 15:13:28 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-11-14 10:18:22 +0100 |
| commit | 5071e6b279178f7d25e1aebd23f49f686657a5fb (patch) | |
| tree | 52da956ffaf401fb9877f32c9e050e7e7002916b /drivers/usb/host/xhci.h | |
| parent | 3f1dae6b19c9b4ba51ad016e30ec17399819bb6d (diff) | |
| download | linux-next-5071e6b279178f7d25e1aebd23f49f686657a5fb.tar.gz | |
xhci: add helper to get the endpoint state of a endpoint context
define GET_EP_CTX_STATE() macro to get the endpoint state from a
pointer to a le32 enpoint context structure
No functional changes
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 0751c6ad52e6..ad1a25b7b9be 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -709,6 +709,8 @@ struct xhci_ep_ctx { #define EP_STATE_HALTED 2 #define EP_STATE_STOPPED 3 #define EP_STATE_ERROR 4 +#define GET_EP_CTX_STATE(ctx) (le32_to_cpu((ctx)->ep_info) & EP_STATE_MASK) + /* Mult - Max number of burtst within an interval, in EP companion desc. */ #define EP_MULT(p) (((p) & 0x3) << 8) #define CTX_TO_EP_MULT(p) (((p) >> 8) & 0x3) |