Date: Mon, 22 Sep 2014 15:53:10 +0900 (JST) From: Kohji Okuno <okuno.kohji@jp.panasonic.com> To: hps@selasky.org Cc: freebsd-current@freebsd.org, okuno.kohji@jp.panasonic.com, freebsd-usb@freebsd.org Subject: Re: Does the xHCI driver has a spec violation? Message-ID: <20140922.155310.745066180705048059.okuno.kohji@jp.panasonic.com> In-Reply-To: <541FC4B5.2030406@selasky.org> References: <541FBB84.6050508@selasky.org> <20140922.153122.2173639902447525862.okuno.kohji@jp.panasonic.com> <541FC4B5.2030406@selasky.org>
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> On 09/22/14 08:31, Kohji Okuno wrote: >> Hi HPS, >> >> Could you refer to the following document (4.6.6 Configure Endpoint:P.99)? >> This document shows: >> >> If the Drop Context flag is `1' and the Add Context flag is `1', the xHC >> shall: >> o Release the current Resources and Bandwidth allocated to the >> endpoint and assign the new Resources and Bandwidth requested for >> the endpoint. >> > > Hi, > > I see. > > Then what is missing to your patch is to mask away bits 0 and 1, because those > are reserved for D0 and D1 and should be zero? Hi, HPS, You are correct, I think. We shold mask D0 and D1. My host controller works both. Thanks, Kohji Okuno.
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