diff options
| -rw-r--r-- | drivers/usb/host/xhci-caps.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-caps.h b/drivers/usb/host/xhci-caps.h index e772d5f30d36..af47aebc5ba8 100644 --- a/drivers/usb/host/xhci-caps.h +++ b/drivers/usb/host/xhci-caps.h @@ -37,9 +37,11 @@ #define HCS_ERST_MAX(p) (((p) >> 4) & 0xf) /* bits 20:8 - Rsvd */ /* bits 25:21 - Max Scratchpad Buffers (Hi), 5 Most significant bits */ +#define HCS_MAX_SP_HI(p) (((p) >> 21) & 0x1f) /* bit 26 - Scratchpad restore, for save/restore HW state */ /* bits 31:27 - Max Scratchpad Buffers (Lo), 5 Least significant bits */ -#define HCS_MAX_SCRATCHPAD(p) ((((p) >> 16) & 0x3e0) | (((p) >> 27) & 0x1f)) +#define HCS_MAX_SP_LO(p) (((p) >> 27) & 0x1f) +#define HCS_MAX_SCRATCHPAD(p) (HCS_MAX_SP_HI(p) << 5 | HCS_MAX_SP_LO(p)) /* HCSPARAMS3 - hcs_params3 - bitmasks */ /* bits 7:0 - U1 Device Exit Latency, Max U1 to U0 latency for the roothub ports */ |