Re: [PATCH 1/2] usb: xhci-mtk: add a bandwidth budget table

[AngeloGioacchino Del Regno]

Il 30/08/23 14:28, Chunfeng Yun ha scritto:
> In order to estimate when fs/ls transactions appear on a downstream bus,
> the host must calculate a best case full-speed budget, use a table to
> track how many bytes occure in each microframe.
> This patch is prepared for introducing an improved bandwidth scheduling.

Hello Chunfeng,

it would be helpful if you add a cover letter with some test results for
the BW improvements that you're seeing here.

Thanks,
Angelo

> Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx>
> ---
>   drivers/usb/host/xhci-mtk-sch.c | 113 +++++++++++++++++++++++---------
>   drivers/usb/host/xhci-mtk.h     |   4 +-
>   2 files changed, 85 insertions(+), 32 deletions(-)