| Message ID | 20210506063116.41757-3-chunfeng.yun@mediatek.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [v2,1/3] usb: xhci-mtk: use bitfield instead of bool | expand |
diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c index 9fb75085e40f..c07411d9b16f 100644 --- a/drivers/usb/host/xhci-mtk-sch.c +++ b/drivers/usb/host/xhci-mtk-sch.c @@ -634,6 +634,11 @@ static int check_sch_bw(struct mu3h_sch_bw_info *sch_bw, min_bw = worst_bw; min_index = offset; } + + /* use first-fit for LS/FS */ + if (sch_ep->sch_tt && min_index >= 0) + break; + if (min_bw == 0) break; }
Use first-fit instead of best-fit for LS/FS devices under TT, we found that best-fit will consume more bandwidth for some cases. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> --- v2: no changes --- drivers/usb/host/xhci-mtk-sch.c | 5 +++++ 1 file changed, 5 insertions(+)