diff options
Diffstat (limited to 'drivers/usb/host/xhci.h')
| -rw-r--r-- | drivers/usb/host/xhci.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index e73c498449e8..9d57def08ea6 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -792,12 +792,15 @@ struct xhci_tt_bw_info { /** * struct xhci_device_context_array - * @dev_context_ptr array of 64-bit DMA addresses for device contexts + * @ctx_array: Pointer to an array of addresses + * @dma: DMA address to @ctx_array + * + * Device Context Base Address Array (DCBAA) - Section 6.1. + * ctx_array[0]: Scratchpad Buffer Array Base Address + * ctx_array[1-MaxSlots]: Device Context Base Address */ struct xhci_device_context_array { - /* 64-bit device addresses; we only write 32-bit addresses */ - __le64 dev_context_ptrs[MAX_HC_SLOTS]; - /* private xHCD pointers */ + __le64 *ctx_array; dma_addr_t dma; }; /* @@ -1531,7 +1534,7 @@ struct xhci_hcd { /* optional reset controller */ struct reset_control *reset; /* data structures */ - struct xhci_device_context_array *dcbaa; + struct xhci_device_context_array dcbaa; struct xhci_interrupter **interrupters; struct xhci_ring *cmd_ring; unsigned int cmd_ring_state; |