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[88.113.215.213]) by smtp.gmail.com with ESMTPSA id p19sm1927874lfh.72.2020.03.13.07.20.24 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 13 Mar 2020 07:20:24 -0700 (PDT) From: Felipe Balbi To: Thinh Nguyen , Greg Kroah-Hartman , Thinh Nguyen , linux-usb@vger.kernel.org Cc: John Youn Subject: Re: [PATCH 1/3] usb: dwc3: gadget: Properly handle failed kick_transfer In-Reply-To: <015470a7d9b950df757b1abfecd6ef398ef04710.1584065705.git.thinhn@synopsys.com> References: <015470a7d9b950df757b1abfecd6ef398ef04710.1584065705.git.thinhn@synopsys.com> Date: Fri, 13 Mar 2020 16:20:20 +0200 Message-ID: <874kusgwuz.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 Thinh, Thinh Nguyen writes: > If dwc3 fails to issue START_TRANSFER/UPDATE_TRANSFER command, then we > should properly end an active transfer and give back all the started > requests. However if it's for an isoc endpoint, the failure maybe due to > bus-expiry status. In this case, don't give back the requests and wait > for the next retry. > > Fixes: 72246da40f37 ("usb: Introduce DesignWare USB3 DRD Driver") > Signed-off-by: Thinh Nguyen could you give some details regarding when does this happen? =2D-=20 balbi --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEElLzh7wn96CXwjh2IzL64meEamQYFAl5rlqQACgkQzL64meEa mQZp+A/7B2zQel5+XrAjdrFDQRvXwSBJcdMQWfoAYTsK8aly6UMMUJQDqTQDavOA KlG6O13kHhD7AS0lfInunnpDPZqKzGZNTelSt68/WWOqrIBuA3uPB91UElvQ88Kv Fst5C4nkPUJkFT0koUkSL5c/FEQ2lckA/EikkCUrZThE/LrdNTSlJ+OguP0T6Fso Em7Mhw6t4pYaVRslcV3+cwV5A1wKPAzuLSrTxyoIximN7YU9B0Q0WfcKYF7X7RNd EPrOnu438DvW6imQ7KAW5j4LdWajw4v7PsiZpRK6/D6it5CYTyCnQiaNzBQh+CKo 9CtlASEItMszi4jtIf0MEeimhJCx0nV5fNtlKacLcUs0QfwVD1tpkIRG9TqaxgE1 tS2L/QqDxRGfP4Dv8e3+IIJc6O0k30J3Zwmsmhpu2hDFX7/+/Xln8DlXjsNLMLQg C5YgunqHbu7b4ZdEaUZf5yS/NuFzRBRrQG+8/rSNSknJIVeHDm68ehnqdXGxZvML sfgF1UAcDHZwNYFoTP44cL2idhj5802gguRQwVoc/GuJwuN5uyeaokI5XX2FBgzN rRipb11rDqElCjmXQGgwEN84zMznv0NpLwV6Y7I5+hnatifRaFq/+Vqhi0UGLB2l X6sc14WG25Y0WhtagzxQ4qhDUfknZwWmWYJnBUC58wAIHBzyNxw= =SQv5 -----END PGP SIGNATURE----- --=-=-=--