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

Chunfeng Yun (云春峰) Chunfeng.Yun at mediatek.com
Tue Sep 19 00:57:26 PDT 2023


On Thu, 2023-09-14 at 12:14 +0200, AngeloGioacchino Del Regno wrote:
> 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.
Ok
> 
> Thanks,
> Angelo
> 
> > Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
> > ---
> >   drivers/usb/host/xhci-mtk-sch.c | 113 +++++++++++++++++++++++--
> > -------
> >   drivers/usb/host/xhci-mtk.h     |   4 +-
> >   2 files changed, 85 insertions(+), 32 deletions(-)
> > 
> 
> 


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