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[91.155.214.58]) by smtp.gmail.com with ESMTPSA id y130sm2527664lfc.22.2020.05.18.01.21.12 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 18 May 2020 01:21:13 -0700 (PDT) From: Felipe Balbi To: Peter Chen Cc: Peter Chen , USB list , dl-linux-imx , "pawell\@cadence.com" , "rogerq\@ti.com" , Greg Kroah-Hartman , Jun Li Subject: Re: [PATCH 1/1] usb: cdns3: ep0: delete the redundant status stage In-Reply-To: <20200518035015.GB27612@b29397-desktop> References: <20200426130751.32556-1-peter.chen@nxp.com> <87368ebz3d.fsf@kernel.org> <87ftc135i3.fsf@kernel.org> <20200518035015.GB27612@b29397-desktop> Date: Mon, 18 May 2020 11:21:09 +0300 Message-ID: <87367xy7pm.fsf@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Hi, Peter Chen writes: >> >> Is this working against USBCV? What about LeCroy's compliance suite? >> >> >> > >> > For NXP USB certification flow: >> > >> > The test mode is only used for USB2 electrical test (eg, Eye diagram), >> > The HSETT tool is used for device mode which will send command >> > from Windows PC to let device enter test mode. >> > >> > USBCV is used to test protocol level, like USB CH9, Mass Storage proto= col >> > etc. >>=20 >> Entering test modes is part of chapter9 tests, IIRC. > > No, test mode is only used for electrical signal test, the communication > between device and host will be stopped once the controller enters test > mode. but it is a standard request, part of chapter 9 ;-) >> > For Lecroy's compliance suite, we usually use it for Link test for >> > USB3. >>=20 >> You need to run the HS compliance suite ;-) USB3 devices must still >> comply with HS/FS/LS. > > No HS compliance suite. Lecroy Compliance Suite are only used for > link test and PD test. I attached the test items for compliance test. hmm, maybe they dropped it over the years. I remember using their suite for this very reason. 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