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Thu, 26 Dec 2019 20:50:29 -0500 X-LoopCount0: from 10.166.136.215 X-PREM-Routing: D-Outbound X-IronPort-AV: E=Sophos;i="5.60,349,1549951200"; d="scan'208";a="503403411" From: To: , CC: Subject: Re: can not receive xfer interrupt after stop xfer is called intel XHCI Gemini Lake SOC Thread-Topic: can not receive xfer interrupt after stop xfer is called intel XHCI Gemini Lake SOC Thread-Index: AQHVvFIbwJYTQurGg0iodFW1OW6TtKfNNjBE Date: Fri, 27 Dec 2019 01:50:25 +0000 Message-ID: <1577411424906.21267@Dell.com> References: <1577408331523.24347@Dell.com>, In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.143.242.75] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-12-26_05:2019-12-24,2019-12-26 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 bulkscore=0 clxscore=1015 spamscore=0 malwarescore=0 phishscore=0 mlxlogscore=849 impostorscore=0 suspectscore=0 adultscore=0 lowpriorityscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1912270012 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 adultscore=0 lowpriorityscore=0 spamscore=0 clxscore=1015 mlxscore=0 priorityscore=1501 suspectscore=0 impostorscore=0 malwarescore=0 phishscore=0 mlxlogscore=981 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1912270012 X-Rspamd-Queue-Id: 47kVCC6Gpwz4YZP X-Spamd-Bar: ------- Authentication-Results: mx1.freebsd.org; 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MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:26211, ipnet:148.163.133.0/24, country:US]; MID_RHS_MATCH_FROM(0.00)[]; IP_SCORE(-0.41)[ip: (0.00), ipnet: 148.163.133.0/24(0.00), asn: 26211(-2.02), country: US(-0.05)]; WHITELIST_SPF_DKIM(-3.00)[dell.com:d:+,dell.com:s:+] X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Dec 2019 01:50:32 -0000 Hi HPS,=0A= XHCI spec just tells:=0A= The configure Endpoint command TRB evalutes the bandwidth and resouce reqir= ement of the endpoints selected by the command.=0A= So I don't think this command can be call to one endpoint several times. = =0A= How, I tried to call configure endpoint with DC (disable configure), it can= 't help.=0A= =0A= >From XHCI spec's view, "reset Endpoint command" is enough to stop xfer.=0A= =0A= Thanks & Regards,=0A= =0A= Shichun Ma=0A= Software Engineer=0A= Dell | Cloud Client Computing=0A= office +86 10 82862579, Mobile +86 13241851528=0A= shichun_ma@dell.com=0A= =0A= =0A= =0A= ________________________________________=0A= From: Hans Petter Selasky =0A= Sent: Friday, December 27, 2019 9:06 AM=0A= To: Ma, Horse; freebsd-usb@freebsd.org=0A= Subject: Re: can not receive xfer interrupt after stop xfer is called intel= XHCI Gemini Lake SOC=0A= =0A= [EXTERNAL EMAIL]=0A= =0A= On 2019-12-27 00:58, Shichun.Ma@dell.com wrote:=0A= > This issue can be avoided by do not call "xhci_cmd_configure_ep " in "xh= ci_configure_reset_endpoint"=0A= =0A= What does the XHCI specification say about this?=0A= =0A= Is the XHCI host controller broken?=0A= =0A= --HPS=0A=