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: [v2] usb: hub: add retry routine after intr URB sumbit error From: Oliver Neukum Message-Id: <1542636268.945.4.camel@suse.com> Date: Mon, 19 Nov 2018 15:04:28 +0100 To: Nicolas Saenz Julienne , stern@rowland.harvard.edu Cc: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org List-ID: T24gTW8sIDIwMTgtMTEtMTkgYXQgMTU6MDIgKzAxMDAsIE5pY29sYXMgU2FlbnogSnVsaWVubmUg d3JvdGU6Cj4gCj4gK3N0YXRpYyB2b2lkIGh1Yl9yZXRyeV9pcnFfdXJiKHN0cnVjdCB0aW1lcl9s aXN0ICp0KQo+ICt7Cj4gKwlzdHJ1Y3QgdXNiX2h1YiAqaHViID0gZnJvbV90aW1lcihodWIsIHQs IGlycV91cmJfcmV0cnkpOwo+ICsJaW50IHN0YXR1czsKPiArCj4gKwlpZiAoaHViLT5kaXNjb25u ZWN0ZWQgfHwgaHViLT5xdWllc2NpbmcpCj4gKwkJcmV0dXJuOwo+ICsKPiArCWRldl9lcnIoaHVi LT5pbnRmZGV2LCAicmV0cnlpbmcgaW50IHVyYlxuIik7Cj4gKwlzdGF0dXMgPSB1c2Jfc3VibWl0 X3VyYihodWItPnVyYiwgR0ZQX0FUT01JQyk7Cj4gKwlpZiAoc3RhdHVzICYmIHN0YXR1cyAhPSAt RU5PREVWICYmIHN0YXR1cyAhPSAtRVBFUk0gJiYKPiArCSAgICBzdGF0dXMgIT0gLUVTSFVURE9X TikKPiArCQltb2RfdGltZXIoJmh1Yi0+aXJxX3VyYl9yZXRyeSwKPiArCQkJICBqaWZmaWVzICsg bXNlY3NfdG9famlmZmllcyhNU0VDX1BFUl9TRUMpKTsKPiArfQo+ICsKPiAgc3RhdGljIHZvaWQg a2lja19odWJfd3Eoc3RydWN0IHVzYl9odWIgKmh1YikKPiAgewo+ICAJc3RydWN0IHVzYl9pbnRl cmZhY2UgKmludGY7Cj4gQEAgLTcxMyw4ICs3MjksMTIgQEAgc3RhdGljIHZvaWQgaHViX2lycShz dHJ1Y3QgdXJiICp1cmIpCj4gIAkJcmV0dXJuOwo+ICAKPiAgCXN0YXR1cyA9IHVzYl9zdWJtaXRf dXJiKGh1Yi0+dXJiLCBHRlBfQVRPTUlDKTsKPiAtCWlmIChzdGF0dXMgIT0gMCAmJiBzdGF0dXMg IT0gLUVOT0RFViAmJiBzdGF0dXMgIT0gLUVQRVJNKQo+ICsJaWYgKHN0YXR1cyAhPSAwICYmIHN0 YXR1cyAhPSAtRU5PREVWICYmIHN0YXR1cyAhPSAtRVBFUk0gJiYKPiArCSAgICBzdGF0dXMgIT0g LUVTSFVURE9XTikgewo+ICAJCWRldl9lcnIoaHViLT5pbnRmZGV2LCAicmVzdWJtaXQgLS0+ICVk XG4iLCBzdGF0dXMpOwo+ICsJCW1vZF90aW1lcigmaHViLT5pcnFfdXJiX3JldHJ5LAo+ICsJCQkg IGppZmZpZXMgKyBtc2Vjc190b19qaWZmaWVzKE1TRUNfUEVSX1NFQykpOwo+ICsJfQo+ICB9Cj4g IAo+ICAvKiBVU0IgMi4wIHNwZWMgU2VjdGlvbiAxMS4yNC4yLjMgKi8KPiBAQCAtMTI2OCw2ICsx Mjg4LDcgQEAgc3RhdGljIHZvaWQgaHViX3F1aWVzY2Uoc3RydWN0IHVzYl9odWIgKmh1YiwgZW51 bSBodWJfcXVpZXNjaW5nX3R5cGUgdHlwZSkKPiAgCX0KPiAgCj4gIAkvKiBTdG9wIGh1Yl93cSBh bmQgcmVsYXRlZCBhY3Rpdml0eSAqLwo+ICsJZGVsX3RpbWVyX3N5bmMoJmh1Yi0+aXJxX3VyYl9y ZXRyeSk7CgpUaGF0IGlzIGEgcmFjZSBjb25kaXRpb24uIFlvdSBraWxsIHRoZSB0aW1lciBoZXJl LCBidXQgdGhlIFVSQiBtYXkKc3RpbGwgYmUgaW4gZmxpZ2h0LiBBbmQgaWYgaXQgZmFpbHMsIGl0 IHdpbGwgcmVzdGFydCB0aGUgZXJyb3IKaGFuZGxlci4gWW91IGhhdmUgdG8gaW50cm9kdWNlIGEg ZmxhZyBvciBwb2lzb24gdGhlIFVSQi4KCj4gIAl1c2Jfa2lsbF91cmIoaHViLT51cmIpOwo+ICAJ aWYgKGh1Yi0+aGFzX2luZGljYXRvcnMpCj4gIAkJY2FuY2VsX2RlbGF5ZWRfd29ya19zeW5jKCZo dWItPmxlZHMpOwo+IAoKCVJlZ2FyZHMKCQlPbGl2ZXIK