From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: usb: hub: try old enumeration scheme first for high speed devices From: Roger Quadros Message-Id: Date: Thu, 16 Aug 2018 10:16:48 +0300 To: "Zengtao \(B\)" , Alan Stern Cc: "gregkh@linuxfoundation.org" , "mathias.nyman@linux.intel.com" , "drinkcat@chromium.org" , "felipe.balbi@linux.intel.com" , "drake@endlessm.com" , "mike.looijmans@topic.nl" , "joe@perches.com" , "linux-usb@vger.kernel.org" , "linux-kernel@vger.kernel.org" List-ID: T24gMTYvMDgvMTggMDk6MjEsIFplbmd0YW8gKEIpIHdyb3RlOgo+IEhpIGFsYW46Cj4gCj4+IC0t LS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tCj4+IEZyb206IEFsYW4gU3Rlcm4gW21haWx0bzpzdGVy bkByb3dsYW5kLmhhcnZhcmQuZWR1XQo+PiBTZW50OiBUdWVzZGF5LCBBdWd1c3QgMTQsIDIwMTgg MTA6NDAgUE0KPj4gVG86IFplbmd0YW8gKEIpIDxwcmltZS56ZW5nQGhpc2lsaWNvbi5jb20+Cj4+ IENjOiBSb2dlciBRdWFkcm9zIDxyb2dlcnFAdGkuY29tPjsgZ3JlZ2toQGxpbnV4Zm91bmRhdGlv bi5vcmc7Cj4+IG1hdGhpYXMubnltYW5AbGludXguaW50ZWwuY29tOyBkcmlua2NhdEBjaHJvbWl1 bS5vcmc7Cj4+IGZlbGlwZS5iYWxiaUBsaW51eC5pbnRlbC5jb207IGRyYWtlQGVuZGxlc3NtLmNv bTsgbWlrZS5sb29pam1hbnNAdG9waWMubmw7Cj4+IGpvZUBwZXJjaGVzLmNvbTsgbGludXgtdXNi QHZnZXIua2VybmVsLm9yZzsgbGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZwo+PiBTdWJqZWN0 OiBSRTogW1BBVENIXSB1c2I6IGh1YjogdHJ5IG9sZCBlbnVtZXJhdGlvbiBzY2hlbWUgZmlyc3Qg Zm9yIGhpZ2ggc3BlZWQKPj4gZGV2aWNlcwo+Pgo+PiBPbiBUdWUsIDE0IEF1ZyAyMDE4LCBaZW5n dGFvIChCKSB3cm90ZToKPj4KPj4+IEhpIGFsYW46Cj4+Pgo+Pj4+IC0tLS0tT3JpZ2luYWwgTWVz c2FnZS0tLS0tCj4+Pj4gRnJvbTogbGludXgtdXNiLW93bmVyQHZnZXIua2VybmVsLm9yZwo+Pj4+ IFttYWlsdG86bGludXgtdXNiLW93bmVyQHZnZXIua2VybmVsLm9yZ10gT24gQmVoYWxmIE9mIEFs YW4gU3Rlcm4KPj4+PiBTZW50OiBGcmlkYXksIEF1Z3VzdCAxMCwgMjAxOCAxMDoyMCBQTQo+Pj4+ IFRvOiBSb2dlciBRdWFkcm9zIDxyb2dlcnFAdGkuY29tPgo+Pj4+IENjOiBaZW5ndGFvIChCKSA8 cHJpbWUuemVuZ0BoaXNpbGljb24uY29tPjsKPj4+PiBncmVna2hAbGludXhmb3VuZGF0aW9uLm9y ZzsgbWF0aGlhcy5ueW1hbkBsaW51eC5pbnRlbC5jb207Cj4+Pj4gZHJpbmtjYXRAY2hyb21pdW0u b3JnOyBmZWxpcGUuYmFsYmlAbGludXguaW50ZWwuY29tOwo+Pj4+IGRyYWtlQGVuZGxlc3NtLmNv bTsgbWlrZS5sb29pam1hbnNAdG9waWMubmw7IGpvZUBwZXJjaGVzLmNvbTsKPj4+PiBsaW51eC11 c2JAdmdlci5rZXJuZWwub3JnOyBsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnCj4+Pj4gU3Vi amVjdDogUmU6IFtQQVRDSF0gdXNiOiBodWI6IHRyeSBvbGQgZW51bWVyYXRpb24gc2NoZW1lIGZp cnN0IGZvcgo+Pj4+IGhpZ2ggc3BlZWQgZGV2aWNlcwo+Pj4+Cj4+Pj4gT24gRnJpLCAxMCBBdWcg MjAxOCwgUm9nZXIgUXVhZHJvcyB3cm90ZToKPj4+Pgo+Pj4+PiBIaSwKPj4+Pj4KPj4+Pj4gT24g MTAvMDgvMTggMTg6MDEsIFplbmcgVGFvIHdyb3RlOgo+Pj4+Pj4gVGhlIG5ldyBzY2hlbWUgaXMg cmVxdWlyZWQganVzdCB0byBzdXBwb3J0IGxlZ2FjeSBsb3cgYW5kCj4+Pj4+PiBmdWxsLXNwZWVk IGRldmljZXMuIEZvciBoaWdoIHNwZWVkIGRldmljZXMsIGl0IHdpbGwgc2xvd2VyIHRoZSBlbnVt ZXJhdGlvbgo+PiBzcGVlZC4KPj4+Pj4+IFNvIGluIHRoaXMgcGF0Y2ggd2UgdHJ5IHRoZSAib2xk IiBlbnVtZXJhdGlvbiBzY2hlbWUgZmlyc3QgZm9yCj4+Pj4+PiBoaWdoIHNwZWVkIGRldmljZXMu Cj4+Pj4+Cj4+Pj4+IEhvdyBzbG93IGRvZXMgaXQgZ2V0PyBJcyBpdCBzaWduaWZpY2FudD8KPj4+ Pj4gRG8gd2UgcmlzayBicmVha2luZyBleGlzdGluZyBIUyBkZXZpY2VzIHRoYXQgd29yaz8gSSBk b24ndCB0aGluayB3ZQo+Pj4+PiBjYW4gYmUgc3VyZSB0aWxsIHdlIHJ1biB0aGlzIHRocm91Z2gg dGVzdGluZy4KPj4+Pgo+Pj4+IEluZGVlZC4gIEkgYW0gZXh0cmVtZWx5IHNrZXB0aWNhbCBhYm91 dCBhIHBhdGNoIGxpa2UgdGhpcywgdW5sZXNzCj4+Pj4gc29tZWJvZHkgY2FuIHNob3cgdGhhdCBX aW5kb3dzIHVzZXMgdGhlICJvbGQiIHNjaGVtZSBmb3IgaGlnaC1zcGVlZAo+PiBkZXZpY2VzLgo+ Pj4KPj4+IFllcywgdGhpcyBpcyB3aGF0IHRoZSB3aW5kb3dzIGhhcyBkb25lLCB5b3UgY2FuIHJl ZmVyIHRvCj4+PiBodHRwczovL2Jsb2dzLm1zZG4ubWljcm9zb2Z0LmNvbS91c2Jjb3JlYmxvZy8y MDEzLzA0LzExL3VzYi0yLTEtMi0wLTEtCj4+PiAxLWRldmljZS1lbnVtZXJhdGlvbi1jaGFuZ2Vz LWluLXdpbmRvd3MtOC8KPj4KPj4gQW5kIHRoYXQgYmxvZyBwb3N0IGlzIDUgeWVhcnMgb2xkIQo+ Pgo+PiBPa2F5LCBJIHRoaW5rIHdlIGNhbiBnbyBhaGVhZCBhbmQgbWFrZSB0aGlzIGNoYW5nZS4g IEhvd2V2ZXIsIHlvdSBzaG91bGQKPj4gdXBkYXRlIHRoZSBwYXRjaCBkZXNjcmlwdGlvbiB0byBt ZW50aW9uIHdoYXQgTWljcm9zb2Z0IGRpZCBpbiBXaW5kb3dzIDggYW5kCj4+IHNheSB0aGF0IHRo ZSBuZXcgYmVoYXZpb3IgbWF0Y2hlcyB0aGVpcnMuCj4+Cj4gT2theSwgSSB3aWxsIHVwZGF0ZSBp dCB0aGUgY2hhbmdlIGxvZyBpbiB2Mi4KPiAKPj4gQWxzbywgYXMgUm9nZXIgbWVudGlvbmVkLCB5 b3Ugc2hvdWxkIHVwZGF0ZSB0aGUgZG9jdW1lbnRhdGlvbiB0byBzYXkgdGhhdCB0aGUKPj4gb2xk X3NjaGVtZV9maXJzdCBtb2R1bGUgcGFyYW1ldGVyIG5vdyBhcHBsaWVzIG9ubHkgdG8gbG93LSBh bmQgZnVsbC1zcGVlZAo+PiBkZXZpY2VzLCBzaW5jZSBoaWdoLSBhbmQgU3VwZXJTcGVlZCBkZXZp Y2VzIGFsd2F5cyB1c2UgdGhlIG9sZCBzY2hlbWUgZmlyc3QuCj4+Cj4gCj4gU2luY2Ugd2Ugc2hv dWxkIGhhdmUgZGVkaWNhdGVkIGVudW1lcmF0aW9uIGZsb3cgZm9yIFNTLCBISUdILCBsb3cgYW5k IGZ1bGwgc3BlZWQgZGV2aWNlcywKPiBTbyBJIHRoaW5rIHRoZSBvbGRfc2NoZW1lX2ZpcnN0IGFu ZCB1c2VfYm90aF9zY2hlbWVzIHBhcmFtZXRlcnMgc2hvdWxkIGJlIHJlbW92ZWQuCj4gV2hhdCBk byB5b3UgdGhpbmsgYWJvdXQgaXQ/CgpJIHRoaW5rIHdlIHNob3VsZCByZXRhaW4gdGhlbSBhcyBz b21lIGhvc3QgY29udHJvbGxlcnMgY2FuIGhhdmUgaXNzdWVzCmFuZCB0aGVzZSBwYXJhbWV0ZXJz IGdpdmUgc29tZSBjb250cm9sIHRvIHN5c3RlbSBpbnRlZ3JhdG9ycyB0byB3b3JrYXJvdW5kIGlm IHJlcXVpcmVkLgoKSSdtIGF3YXJlIG9mIG9uZSBlcnJhdGEgWzFdIHRoYXQgcmVxdWlyZXMgdGhl IG9sZF9zY2hlbWVfZmlyc3QgdG8gYmUgc2V0IGluIGNlcnRhaW4KY2lyY3Vtc3RhbmNlcy4KClsx XSBodHRwOi8vd3d3LnRpLmNvbS9saXQvZXIvc3ByejQyOWwvc3ByejQyOWwucGRmClNlY3Rpb24g aTg5Nwo=