Date: Fri, 10 Jan 2020 10:02:22 +0100 From: Hans Petter Selasky <hps@selasky.org> To: Shichun.Ma@dell.com, freebsd-usb@freebsd.org Cc: Shunchao.Hu@dell.com Subject: Re: minor improve for xhci_cmd_stop_ep in xhci_configure_reset_endpoint Message-ID: <e946ecd2-0da5-6b5f-75e8-a7ad6ccbdf00@selasky.org> In-Reply-To: <e91118b0-7efa-bf9d-3463-5dbf18d177d7@selasky.org> References: <1578623361805.72194@Dell.com> <e91118b0-7efa-bf9d-3463-5dbf18d177d7@selasky.org>
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On 2020-01-10 09:57, Hans Petter Selasky wrote: > Hi, > > Can you test the attached patch? > HI, How are we sure that the XHCI doesn't cache the device endpoint state in its internal memory cache. I.E. that it doesn't update the device context in host memory at all times? I think it is better to query the XHCI controller and if we get an error back that is OK. --HPS
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