Messages in this thread | | | From | Felipe Balbi <> | Subject | Re: [PATCH] usb: dwc3: gadget: fix miss isoc issue introduced by IRQ latency | Date | Fri, 14 Dec 2018 10:51:54 +0200 |
| |
Zeng Tao <prime.zeng@hisilicon.com> writes:
> If it's a busy system, some times when we start an isoc transfer, the > framenumber get from the event buffer may be already elasped, in this > case, we will get all the packets dropped due to miss isoc. And we turn > into transfer nothing, to fix this issue, we need to fix the framenumber > to make sure that it's not out of date. > > Signed-off-by: Liang Shengjun <liangshengjun@hisilicon.com> > Signed-off-by: Zeng Tao <prime.zeng@hisilicon.com>
There's a patch going upstream already doing this:
https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git/commit/?h=next&id=d53701067f048b8b11635e964b6d3bd9a248c622
-- balbi [unhandled content-type:application/pgp-signature] | |