Commit 4676be28 authored by Chunfeng Yun's avatar Chunfeng Yun Committed by Greg Kroah-Hartman
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usb: xhci-mtk: use first-fit for LS/FS 



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: default avatarChunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/20210507021127.54717-4-chunfeng.yun@mediatek.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent bb8d7ef6

drivers/usb/host/xhci-mtk-sch.c

+5 −0
Original line number Diff line number Diff line
@@ -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;

	}