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: "Zengtao \(B\)" Message-Id: <1533913304-15737-1-git-send-email-prime.zeng@hisilicon.com> Date: Fri, 10 Aug 2018 23:01:42 +0800 To: gregkh@linuxfoundation.org, stern@rowland.harvard.edu, mathias.nyman@linux.intel.com, drinkcat@chromium.org, felipe.balbi@linux.intel.com, drake@endlessm.com, mike.looijmans@topic.nl, joe@perches.com Cc: Zeng Tao , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: VGhlIG5ldyBzY2hlbWUgaXMgcmVxdWlyZWQganVzdCB0byBzdXBwb3J0IGxlZ2FjeSBsb3cgYW5k IGZ1bGwtc3BlZWQKZGV2aWNlcy4gRm9yIGhpZ2ggc3BlZWQgZGV2aWNlcywgaXQgd2lsbCBzbG93 ZXIgdGhlIGVudW1lcmF0aW9uIHNwZWVkLgpTbyBpbiB0aGlzIHBhdGNoIHdlIHRyeSB0aGUgIm9s ZCIgZW51bWVyYXRpb24gc2NoZW1lIGZpcnN0IGZvciBoaWdoIHNwZWVkCmRldmljZXMuCgpTaWdu ZWQtb2ZmLWJ5OiBaZW5nIFRhbyA8cHJpbWUuemVuZ0BoaXNpbGljb24uY29tPgotLS0KIGRyaXZl cnMvdXNiL2NvcmUvaHViLmMgfCA1ICsrKystCiAxIGZpbGUgY2hhbmdlZCwgNCBpbnNlcnRpb25z KCspLCAxIGRlbGV0aW9uKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy91c2IvY29yZS9odWIuYyBi L2RyaXZlcnMvdXNiL2NvcmUvaHViLmMKaW5kZXggMWZiMjY2OC4uZDI2NWIxOSAxMDA2NDQKLS0t IGEvZHJpdmVycy91c2IvY29yZS9odWIuYworKysgYi9kcml2ZXJzL3VzYi9jb3JlL2h1Yi5jCkBA IC0yNjYxLDEwICsyNjYxLDEzIEBAIHN0YXRpYyBib29sIHVzZV9uZXdfc2NoZW1lKHN0cnVjdCB1 c2JfZGV2aWNlICp1ZGV2LCBpbnQgcmV0cnksCiAJaW50IG9sZF9zY2hlbWVfZmlyc3RfcG9ydCA9 CiAJCXBvcnRfZGV2LT5xdWlya3MgJiBVU0JfUE9SVF9RVUlSS19PTERfU0NIRU1FOwogCisJaW50 IHF1aWNrX2VudW1lcmF0aW9uID0gKHVkZXYtPnNwZWVkID09IFVTQl9TUEVFRF9ISUdIKTsKKwog CWlmICh1ZGV2LT5zcGVlZCA+PSBVU0JfU1BFRURfU1VQRVIpCiAJCXJldHVybiBmYWxzZTsKIAot CXJldHVybiBVU0VfTkVXX1NDSEVNRShyZXRyeSwgb2xkX3NjaGVtZV9maXJzdF9wb3J0IHx8IG9s ZF9zY2hlbWVfZmlyc3QpOworCXJldHVybiBVU0VfTkVXX1NDSEVNRShyZXRyeSwgb2xkX3NjaGVt ZV9maXJzdF9wb3J0IHx8IG9sZF9zY2hlbWVfZmlyc3QKKwkJCSAgICAgIHx8IHF1aWNrX2VudW1l cmF0aW9uKTsKIH0KIAogLyogSXMgYSBVU0IgMy4wIHBvcnQgaW4gdGhlIEluYWN0aXZlIG9yIENv bXBsaWFuY2UgTW9kZSBzdGF0ZT8K