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: do not reset if a low-speed device timed out From: Maxim Moseychuk Message-Id: <1515086472.7389.2.camel@gmail.com> Date: Thu, 04 Jan 2018 20:21:12 +0300 To: Alan Stern Cc: linux-usb@vger.kernel.org, gregkh@linuxfoundation.org, mathias.nyman@linux.intel.com List-ID: 0JIg0KfRgiwgMDQvMDEvMjAxOCDQsiAxMTo1NyAtMDUwMCwgQWxhbiBTdGVybiDQv9C40YjQtdGC Ogo+IE9uIFRodSwgNCBKYW4gMjAxOCwgTWF4aW0gTW9zZXljaHVrIHdyb3RlOgo+IAo+ID4gU29t ZSBsb3ctc3BlZWQgZGV2aWNlcyAoZm9yIGV4YW1wbGUsIGJsdWV0b290aCkgZG8gbm90IGhhdmUK PiA+IHRpbWUgdG8gaW5pdGlhbGl6ZS4gRm9yIHRoZW0sIEVUSU1FRE9VVCBpcyBhIHZhbGlkIGVy cm9yLgo+ID4gV2UgbmVlZCB0byBnaXZlIHRoZW0gYW5vdGhlciB0cnkuIE90aGVyd2lzZSwgdGhl eSB3aWxsCj4gPiBuZXZlciBiZSBpbml0aWFsaXplZCBjb3JyZWN0bHkgYW5kIGluIGRtZXNnIHdp bGwgYmUgbWVzc2FnZXMKPiA+ICJCbHVldG9vdGg6IGhjaTAgY29tbWFuZCAweDEwMDIgdHggdGlt ZW91dCIgb3Igc2ltaWxhcnMuCj4gCj4gWW91ciBwYXRjaCBkZXNjcmlwdGlvbiB0YWxrcyBhYm91 dCBsb3ctc3BlZWQgZGV2aWNlcy4uLgo+IAo+ID4gRml4ZXM6IDI2NDkwNGNjYzMzYyAoInVzYjog cmV0cnkgcmVzZXQgaWYgYSBkZXZpY2UgdGltZXMgb3V0IikKPiA+IFNpZ25lZC1vZmYtYnk6IE1h eGltIE1vc2V5Y2h1ayA8ZnJhbmNoZXNrby5zYWxpYXMuaHVkcm8ucGVkcm9zQGdtYWkKPiBsLmNv bT4KPiA+IC0tLQo+ID4gIGRyaXZlcnMvdXNiL2NvcmUvaHViLmMgfCA1ICsrKystCj4gPiAgMSBm aWxlIGNoYW5nZWQsIDQgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQo+ID4gCj4gPiBkaWZm IC0tZ2l0IGEvZHJpdmVycy91c2IvY29yZS9odWIuYyBiL2RyaXZlcnMvdXNiL2NvcmUvaHViLmMK PiA+IGluZGV4IGNmN2JiY2I5YTYzYy4uNDYzNjZjNzNmMGRmIDEwMDY0NAo+ID4gLS0tIGEvZHJp dmVycy91c2IvY29yZS9odWIuYwo+ID4gKysrIGIvZHJpdmVycy91c2IvY29yZS9odWIuYwo+ID4g QEAgLTQ1MjQsNyArNDUyNCwxMCBAQCBodWJfcG9ydF9pbml0KHN0cnVjdCB1c2JfaHViICpodWIs IHN0cnVjdAo+IHVzYl9kZXZpY2UgKnVkZXYsIGludCBwb3J0MSwKPiA+ICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAqIHJlc2V0LiBCdXQgb25seSBvbiB0aGUgZmlyc3QKPiBhdHRlbXB0 LAo+ID4gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICogbGVzdCB3ZSBnZXQgaW50byBh IHRpbWUgb3V0L3Jlc2V0Cj4gbG9vcAo+ID4gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICovCj4gPiAtICAgICAgICAgICAgICAgICAgICAgICAgICAgICBpZiAociA9PSAwICB8fCAociA9 PSAtRVRJTUVET1VUICYmCj4gcmV0cmllcyA9PSAwKSkKPiA+ICsgICAgICAgICAgICAgICAgICAg ICAgICAgICAgIGlmIChyID09IDAgfHwKPiA+ICsgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICByID09IC1FVElNRURPVVQKPiA+ICsgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAmJiByZXRyaWVzID09IDAKPiA+ICsgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAmJiB1ZGV2LT5zcGVlZCA+Cj4gVVNC X1NQRUVEX0ZVTEwpCj4gCj4gYnV0IHRoZSBwYXRjaCBpdHNlbGYgYWZmZWN0cyBib3RoIGxvdy1z cGVlZCBhbmQgZnVsbC1zcGVlZCBkZXZpY2VzLgo+IAo+IEFsc28sIEkgd291bGQga2VlcCB0aGUg cGFyZW5zIGFyb3VuZCB0aGUgJiYgZXhwcmVzc2lvbnMsIGFuZCB0aGVyZSdzCj4gbm8KPiBuZWVk IGZvciB0aGUgZmlyc3QgbGluZSBicmVhayB5b3UgYWRkZWQuICAoRm9yIHRoYXQgbWF0dGVyLCBp dCBsb29rcwo+IHN0cmFuZ2UgdG8gYnJlYWsgdGhlIGZpcnN0IGxpbmUgX2FmdGVyXyB0aGUgfHwg b3BlcmF0b3IgYW5kIHRoZW4gdG8KPiBicmVhayB0aGUgbGF0ZXIgbGluZXMgX2JlZm9yZV8gdGhl ICYmIG9wZXJhdG9ycyAtLSB0cnkgdG8gY29weSB0aGUgCj4gc3R5bGUgdXNlZCBlbHNld2hlcmUg aW4gdGhhdCBzb3VyY2UgZmlsZS4pCj4gCj4gQWxhbiBTdGVybgo+IAoKSSBwcm9iYWJseSBjaG9z ZSB0aGUgd3JvbmcgdGVybS4gV2UgYXJlIHRhbGtpbmcgYWJvdXQgZGV2aWNlcyBydW5uaW5nCmF0 IHNwZWVkcyBvZiB1c2IgMS4xIChMb3ctc3BlZWQgYW5kIEZ1bGwtc3BlZWQpLgotLS0KVG8gdW5z dWJzY3JpYmUgZnJvbSB0aGlzIGxpc3Q6IHNlbmQgdGhlIGxpbmUgInVuc3Vic2NyaWJlIGxpbnV4 LXVzYiIgaW4KdGhlIGJvZHkgb2YgYSBtZXNzYWdlIHRvIG1ham9yZG9tb0B2Z2VyLmtlcm5lbC5v cmcKTW9yZSBtYWpvcmRvbW8gaW5mbyBhdCAgaHR0cDovL3ZnZXIua2VybmVsLm9yZy9tYWpvcmRv bW8taW5mby5odG1sCg==