usb: xhci-mtk: improve bandwidth scheduling with TT

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commit e19ee44a3d upstream.

When the USB headset is plug into an external hub, sometimes
can't set config due to not enough bandwidth, so need improve
LS/FS INT/ISOC bandwidth scheduling with TT.

Fixes: 54f6a8af37 ("usb: xhci-mtk: skip dropping bandwidth of unchecked endpoints")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Yaqii Wu <yaqii.wu@mediatek.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/2f30e81400a59afef5f8231c98149169c7520519.1615170625.git.chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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This commit is contained in:

Chunfeng Yun 2021-03-08 10:51:51 +08:00 • committed by Greg Kroah-Hartman

parent eb58724f44

commit 5a75dc20a9

2 changed files with 64 additions and 16 deletions

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74

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

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6

drivers/usb/host/xhci-mtk.h

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