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: OHCI: Remove USB bus reset delay from OHCI handover code From: Alan Stern Message-Id: Date: Tue, 28 Aug 2018 10:57:25 -0400 (EDT) To: Greg KH Cc: Paul Menzel , USB list List-ID: UGF1bCBwb2ludGVkIG91dCB0aGF0IHRoZSA1MC1tcyBzbGVlcCBkdXJpbmcgT0hDSSBpbml0aWFs aXphdGlvbiB0YWtlcwp1cCBhIGxhcmdlIGZyYWN0aW9uIG9mIGEgc3lzdGVtJ3MgYm9vdCB0aW1l LiAgVGhpbmdzIGdldCB3b3JzZSB3aGVuCnRoZXJlIGFyZSB0d28gT0hDSSBjb250cm9sbGVycyBw cmVzZW50LCBlYWNoIHJlcXVpcmluZyA1MCBtcy4KCkhvd2V2ZXIsIHRoZXJlIHJlYWxseSBpcyBu byBuZWVkIHRvIHNlbmQgYSA1MC1tcyByZXNldCBzaWduYWwgb3V0IGFsbAp0aGUgcm9vdC1odWIg cG9ydHMgZHVyaW5nIGluaXRpYWxpemF0aW9uLiAgVGhlIHBvcnRzIHRoZW1zZWx2ZXMgd2lsbApi ZSBkaXNhYmxlZCwgYW5kIHRoZSBvbmx5IHdheSB0byBlbmFibGUgYSBwb3J0IGlzIHRvIHJlc2V0 IGl0LgpUaGVyZWZvcmUgYWxsIGF0dGFjaGVkIFVTQiBkZXZpY2VzIHdpbGwgcmVjZWl2ZSBhIHBy b3BlciByZXNldCBpbiBhbnkKY2FzZS4gIFRoZSBjb250cm9sbGVyIHJlc2V0IGRvZXMgbm90IG5l ZWQgdG8gYmUgbG9uZyBlbm91Z2ggdG8gcmVzZXQKdGhvc2Ugb3RoZXIgZGV2aWNlcywgc28gdGhl IDUwLW1zIGRlbGF5IGlzbid0IG5lY2Vzc2FyeS4KCldpdGhvdXQgdGhlIGRlbGF5LCB0aGVyZSBp cyBubyByZW1haW5pbmcgaW5jZW50aXZlIGZvciBza2lwcGluZyB0aGUKcmVzZXQgd2hlbiB0aGUg Y29udHJvbGxlciBpcyBhbHJlYWR5IGluIHRoZSBSRVNFVCBzdGF0ZS4gIFRoaXMgcGF0Y2gKcmVt b3ZlcyB0aGUgdGVzdCwgaXNzdWluZyB0aGUgY29tbWFuZCB1bmNvbmRpdGlvbmFsbHksIGFuZCBy ZW1vdmVzIHRoZQpmb2xsb3dpbmcgZGVsYXkuCgpTaWduZWQtb2ZmLWJ5OiBBbGFuIFN0ZXJuIDxz dGVybkByb3dsYW5kLmhhcnZhcmQuZWR1PgpTdWdnZXN0ZWQtYnk6IFBhdWwgTWVuemVsIDxwbWVu emVsQG1vbGdlbi5tcGcuZGU+ClRlc3RlZC1ieTogUGF1bCBNZW56ZWwgPHBtZW56ZWxAbW9sZ2Vu Lm1wZy5kZT4KLS0tCgoKW2FzMTg3Nl0KCgogZHJpdmVycy91c2IvaG9zdC9wY2ktcXVpcmtzLmMg fCAgIDEyICsrKy0tLS0tLS0tLQogMSBmaWxlIGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKSwgOSBk ZWxldGlvbnMoLSkKCkluZGV4OiB1c2ItNC54L2RyaXZlcnMvdXNiL2hvc3QvcGNpLXF1aXJrcy5j Cj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT0KLS0tIHVzYi00Lngub3JpZy9kcml2ZXJzL3VzYi9ob3N0L3BjaS1xdWlya3Mu YworKysgdXNiLTQueC9kcml2ZXJzL3VzYi9ob3N0L3BjaS1xdWlya3MuYwpAQCAtNzgzLDE1ICs3 ODMsOSBAQCBzdGF0aWMgdm9pZCBxdWlya191c2JfaGFuZG9mZl9vaGNpKHN0cnVjCiAJLyogZGlz YWJsZSBpbnRlcnJ1cHRzICovCiAJd3JpdGVsKCh1MzIpIH4wLCBiYXNlICsgT0hDSV9JTlRSRElT QUJMRSk7CiAKLQkvKiBSZXNldCB0aGUgVVNCIGJ1cywgaWYgdGhlIGNvbnRyb2xsZXIgaXNuJ3Qg YWxyZWFkeSBpbiBSRVNFVCAqLwotCWlmIChjb250cm9sICYgT0hDSV9IQ0ZTKSB7Ci0JCS8qIEdv IGludG8gUkVTRVQsIHByZXNlcnZpbmcgUldDIChhbmQgcG9zc2libHkgSVIpICovCi0JCXdyaXRl bChjb250cm9sICYgT0hDSV9DVFJMX01BU0ssIGJhc2UgKyBPSENJX0NPTlRST0wpOwotCQlyZWFk bChiYXNlICsgT0hDSV9DT05UUk9MKTsKLQotCQkvKiBkcml2ZSBidXMgcmVzZXQgZm9yIGF0IGxl YXN0IDUwIG1zICg3LjEuNy41KSAqLwotCQltc2xlZXAoNTApOwotCX0KKwkvKiBHbyBpbnRvIHRo ZSBVU0JfUkVTRVQgc3RhdGUsIHByZXNlcnZpbmcgUldDIChhbmQgcG9zc2libHkgSVIpICovCisJ d3JpdGVsKGNvbnRyb2wgJiBPSENJX0NUUkxfTUFTSywgYmFzZSArIE9IQ0lfQ09OVFJPTCk7CisJ cmVhZGwoYmFzZSArIE9IQ0lfQ09OVFJPTCk7CiAKIAkvKiBzb2Z0d2FyZSByZXNldCBvZiB0aGUg Y29udHJvbGxlciwgcHJlc2VydmluZyBIY0ZtSW50ZXJ2YWwgKi8KIAlpZiAoIW5vX2ZtaW50ZXJ2 YWwpCg==