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Revert "usb: xhci-mtk: relax TT periodic bandwidth allocation"
As discussed in following patch:
https://patchwork.kernel.org/patch/12420339
No need calculate number of uframes again, but should use value
form check_sch_tt(), if we plan to remove extra CS, also can do
it in check_sch_tt(). So revert this patch, and prepare to send
new patch for it.
This reverts commit 548011957d
.
Cc: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20210820065913.64490-1-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
de940244e8
commit
76d55a633a
1 changed files with 7 additions and 13 deletions
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@ -459,17 +459,16 @@ static int check_fs_bus_bw(struct mu3h_sch_ep_info *sch_ep, int offset)
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u32 num_esit, tmp;
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int base;
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int i, j;
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u8 uframes = DIV_ROUND_UP(sch_ep->maxpkt, FS_PAYLOAD_MAX);
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num_esit = XHCI_MTK_MAX_ESIT / sch_ep->esit;
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if (sch_ep->ep_type == INT_IN_EP || sch_ep->ep_type == ISOC_IN_EP)
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offset++;
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for (i = 0; i < num_esit; i++) {
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base = offset + i * sch_ep->esit;
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for (j = 0; j < uframes; j++) {
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/*
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* Compared with hs bus, no matter what ep type,
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* the hub will always delay one uframe to send data
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*/
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for (j = 0; j < sch_ep->cs_count; j++) {
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tmp = tt->fs_bus_bw[base + j] + sch_ep->bw_cost_per_microframe;
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if (tmp > FS_PAYLOAD_MAX)
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return -ESCH_BW_OVERFLOW;
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@ -547,8 +546,6 @@ static void update_sch_tt(struct mu3h_sch_ep_info *sch_ep, bool used)
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u32 base, num_esit;
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int bw_updated;
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int i, j;
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int offset = sch_ep->offset;
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u8 uframes = DIV_ROUND_UP(sch_ep->maxpkt, FS_PAYLOAD_MAX);
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num_esit = XHCI_MTK_MAX_ESIT / sch_ep->esit;
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@ -557,13 +554,10 @@ static void update_sch_tt(struct mu3h_sch_ep_info *sch_ep, bool used)
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else
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bw_updated = -sch_ep->bw_cost_per_microframe;
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if (sch_ep->ep_type == INT_IN_EP || sch_ep->ep_type == ISOC_IN_EP)
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offset++;
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for (i = 0; i < num_esit; i++) {
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base = offset + i * sch_ep->esit;
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base = sch_ep->offset + i * sch_ep->esit;
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for (j = 0; j < uframes; j++)
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for (j = 0; j < sch_ep->cs_count; j++)
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tt->fs_bus_bw[base + j] += bw_updated;
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}
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