diff options
| -rw-r--r-- | drivers/usb/host/xhci.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 974514762a14..68956b13b8d1 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h | |||
| @@ -88,9 +88,10 @@ struct xhci_cap_regs { | |||
| 88 | #define HCS_IST(p) (((p) >> 0) & 0xf) | 88 | #define HCS_IST(p) (((p) >> 0) & 0xf) |
| 89 | /* bits 4:7, max number of Event Ring segments */ | 89 | /* bits 4:7, max number of Event Ring segments */ |
| 90 | #define HCS_ERST_MAX(p) (((p) >> 4) & 0xf) | 90 | #define HCS_ERST_MAX(p) (((p) >> 4) & 0xf) |
| 91 | /* bits 21:25 Hi 5 bits of Scratchpad buffers SW must allocate for the HW */ | ||
| 91 | /* bit 26 Scratchpad restore - for save/restore HW state - not used yet */ | 92 | /* bit 26 Scratchpad restore - for save/restore HW state - not used yet */ |
| 92 | /* bits 27:31 number of Scratchpad buffers SW must allocate for the HW */ | 93 | /* bits 27:31 Lo 5 bits of Scratchpad buffers SW must allocate for the HW */ |
| 93 | #define HCS_MAX_SCRATCHPAD(p) (((p) >> 27) & 0x1f) | 94 | #define HCS_MAX_SCRATCHPAD(p) ((((p) >> 16) & 0x3e0) | (((p) >> 27) & 0x1f)) |
| 94 | 95 | ||
| 95 | /* HCSPARAMS3 - hcs_params3 - bitmasks */ | 96 | /* HCSPARAMS3 - hcs_params3 - bitmasks */ |
| 96 | /* bits 0:7, Max U1 to U0 latency for the roothub ports */ | 97 | /* bits 0:7, Max U1 to U0 latency for the roothub ports */ |