diff options
| -rw-r--r-- | drivers/usb/host/xhci-mtk-sch.c | 13 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-mtk.h | 2 |
2 files changed, 12 insertions, 3 deletions
diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c index 5b3cd455adec..61f3f8bbdcea 100644 --- a/drivers/usb/host/xhci-mtk-sch.c +++ b/drivers/usb/host/xhci-mtk-sch.c @@ -650,9 +650,8 @@ static int check_isoc_ss_overlap(struct mu3h_sch_ep_info *sch_ep, u32 offset) if (sch_ep->ep_type == ISOC_OUT_EP) { for (j = 0; j < sch_ep->num_budget_microframes; j++) { - k = XHCI_MTK_BW_INDEX(base + j + CS_OFFSET); - /* use cs to indicate existence of in-ss @(base+j) */ - if (tt->fs_bus_bw_in[k]) + k = XHCI_MTK_BW_INDEX(base + j); + if (tt->in_ss_cnt[k]) return -ESCH_SS_OVERLAP; } } else if (sch_ep->ep_type == ISOC_IN_EP || sch_ep->ep_type == INT_IN_EP) { @@ -769,6 +768,14 @@ static void update_sch_tt(struct mu3h_sch_ep_info *sch_ep, bool used) tt->fs_frame_bw[f] -= (u16)sch_ep->bw_budget_table[j]; } } + + if (sch_ep->ep_type == ISOC_IN_EP || sch_ep->ep_type == INT_IN_EP) { + k = XHCI_MTK_BW_INDEX(base); + if (used) + tt->in_ss_cnt[k]++; + else + tt->in_ss_cnt[k]--; + } } if (used) diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h index 865b55e23b15..39f7ae7d3087 100644 --- a/drivers/usb/host/xhci-mtk.h +++ b/drivers/usb/host/xhci-mtk.h @@ -38,6 +38,7 @@ * @fs_bus_bw_in: save bandwidth used by FS/LS IN eps in each uframes * @ls_bus_bw: save bandwidth used by LS eps in each uframes * @fs_frame_bw: save bandwidth used by FS/LS eps in each FS frames + * @in_ss_cnt: the count of Start-Split for IN eps * @ep_list: Endpoints using this TT */ struct mu3h_sch_tt { @@ -45,6 +46,7 @@ struct mu3h_sch_tt { u16 fs_bus_bw_in[XHCI_MTK_MAX_ESIT]; u8 ls_bus_bw[XHCI_MTK_MAX_ESIT]; u16 fs_frame_bw[XHCI_MTK_FRAMES_CNT]; + u8 in_ss_cnt[XHCI_MTK_MAX_ESIT]; struct list_head ep_list; }; |