diff options
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 9 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.h | 3 |
2 files changed, 7 insertions, 5 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index c4b8959e01e7..94a8b28d602e 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1473,11 +1473,12 @@ void xhci_update_bw_info(struct xhci_hcd *xhci, /* Added or changed endpoint */ bw_info->ep_interval = CTX_TO_EP_INTERVAL( le32_to_cpu(ep_ctx->ep_info)); - bw_info->mult = CTX_TO_EP_MULT( - le32_to_cpu(ep_ctx->ep_info)); - /* Number of packets is zero-based in the input context, - * but we want one-based for the interval table. + /* Number of packets and mult are zero-based in the + * input context, but we want one-based for the + * interval table. */ + bw_info->mult = CTX_TO_EP_MULT( + le32_to_cpu(ep_ctx->ep_info)) + 1; bw_info->num_packets = CTX_TO_MAX_BURST( le32_to_cpu(ep_ctx->ep_info2)) + 1; bw_info->max_packet_size = MAX_PACKET_DECODED( diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 13f1c23ed19d..752a500f8695 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -747,8 +747,9 @@ struct xhci_stream_info { * (DMI) also limits the total bandwidth (across all domains) that can be used. */ struct xhci_bw_info { + /* ep_interval is zero-based */ unsigned int ep_interval; - /* mult and num_packets are zero-based */ + /* mult and num_packets are one-based */ unsigned int mult; unsigned int num_packets; unsigned int max_packet_size; |