Hi Bin, On Friday, November 6, 2020 3:54 PM, Bin Meng wrote: > To: Marek Vasut <ma...@denx.de> > Cc: Ran Wang <ran.wan...@nxp.com>; U-Boot Mailing List > <u-boot@lists.denx.de> > Subject: Re: [PATCH] usb: xhci: fix event trb handling missed > > On Tue, Sep 22, 2020 at 7:41 PM Marek Vasut <ma...@denx.de> wrote: > > > > On 9/22/20 6:54 AM, Ran Wang wrote: > > > In functiion xhci_bulk_tx(), when buffer cross 64KB boundary, it > > > will send request in more than 1 Transfer TRB by chaining them, but > > > then handle only 1 event TRB to mark request completed. > > > > > > However, on Layerscape platforms (LS1028A, LS1088A, etc), we observe > > > xhci controller will generated more than 1 event TRB sometimes, this > > > cause that function mishandle event TRB in next round call, then > > > system hang due to > > > BUG() checking. > > > > > > This patch adds a loop to make sure the event TRB for last Transfer > > > TRB has to be handled in time. > > > > Bin, can you please take a look at this one ? Thanks > > Sorry I missed this one. Will take a look at this soon.
Kindly remind that this patch is to resolve issue I ever sent to community for help: https://lists.denx.de/pipermail/u-boot/2020-September/426981.html Thanks & Regards, Ran
