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: [RFC] xhci: clear port_remote_wakeup on device disconnection From: Oliver Neukum Message-Id: <1552993288.14757.23.camel@suse.com> Date: Tue, 19 Mar 2019 12:01:28 +0100 To: Nicolas Saenz Julienne , Mathias Nyman Cc: Greg Kroah-Hartman , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org List-ID: T24gTW8sIDIwMTktMDMtMTggYXQgMTg6MDAgKzAxMDAsIE5pY29sYXMgU2FlbnogSnVsaWVubmUg d3JvdGU6Cj4gCj4gVGhpcyBwYXRjaCBjbGVhcnMgInBvcnRfcmVtb3RlX3dha2V1cCIgdXBvbiBk ZXRlY3RpbmcgYSBkZXZpY2UKPiBkaXNjb25uZWN0aW9uLiBNYWtpbmcgc3VyZSB0aGUgYWJvdmUg bWVudGlvbmVkIHNpdHVhdGlvbiBkb2Vzbid0IHRyaWdnZXIKPiBhIFBNIGJ1c3lsb29wLgoKSGks Cgp0aGF0IGlzIGFuIGludGVyZXN0aW5nIHJhY2UgY29uZGl0aW9uLgoKPiAKPiBTaWduZWQtb2Zm LWJ5OiBOaWNvbGFzIFNhZW56IEp1bGllbm5lIDxuc2FlbnpqdWxpZW5uZUBzdXNlLmRlPgo+IC0t LQo+ICBkcml2ZXJzL3VzYi9ob3N0L3hoY2ktaHViLmMgfCAzICsrKwo+ICAxIGZpbGUgY2hhbmdl ZCwgMyBpbnNlcnRpb25zKCspCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvdXNiL2hvc3QveGhj aS1odWIuYyBiL2RyaXZlcnMvdXNiL2hvc3QveGhjaS1odWIuYwo+IGluZGV4IGUyZWVjZTY5MzY1 NS4uYmVhODUzZjQ1YWVjIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvdXNiL2hvc3QveGhjaS1odWIu Ywo+ICsrKyBiL2RyaXZlcnMvdXNiL2hvc3QveGhjaS1odWIuYwo+IEBAIC05NDIsNiArOTQyLDkg QEAgc3RhdGljIHZvaWQgeGhjaV9nZXRfdXNiM19wb3J0X3N0YXR1cyhzdHJ1Y3QgeGhjaV9wb3J0 ICpwb3J0LCB1MzIgKnN0YXR1cywKPiAgCQkJYnVzX3N0YXRlLT5zdXNwZW5kZWRfcG9ydHMgJj0g figxIDw8IHBvcnRudW0pOwo+ICAJfQo+ICAKPiArCWlmICghKHBvcnRzYyAmIFBPUlRfQ09OTkVD VCkpCj4gKwkJYnVzX3N0YXRlLT5wb3J0X3JlbW90ZV93YWtldXAgJj0gfigxIDw8IHBvcnRudW0p Owo+ICsKPiAgCXhoY2lfaHViX3JlcG9ydF91c2IzX2xpbmtfc3RhdGUoeGhjaSwgc3RhdHVzLCBw b3J0c2MpOwo+ICAJeGhjaV9kZWxfY29tcF9tb2RfdGltZXIoeGhjaSwgcG9ydHNjLCBwb3J0bnVt KTsKPiAgfQoKV2h5IGFyZSB5b3UgcHV0dGluZyB0aGF0IGxvZ2ljIGludG8geGhjaV9nZXRfdXNi M19wb3J0X3N0YXR1cygpPwpJdCBsb29rcyB0byBtZSBsaWtlIHRoZXJlIGlzIGFscmVhZHkgc29t ZXRoaW5nIHJlbGF0ZWQgaW4gdGhlIGNhbGxlcgoKICAgICAgICAvKiBVU0IyIGFuZCBVU0IzIHNw ZWNpZmljIGJpdHMsIGluY2x1ZGluZyBQb3J0IExpbmsgU3RhdGUgKi8KICAgICAgICBpZiAoaGNk LT5zcGVlZCA+PSBIQ0RfVVNCMykKICAgICAgICAgICAgICAgIHhoY2lfZ2V0X3VzYjNfcG9ydF9z dGF0dXMocG9ydCwgJnN0YXR1cywgcmF3X3BvcnRfc3RhdHVzKTsKICAgICAgICBlbHNlCiAgICAg ICAgICAgICAgICB4aGNpX2dldF91c2IyX3BvcnRfc3RhdHVzKHBvcnQsICZzdGF0dXMsIHJhd19w b3J0X3N0YXR1cywKICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgZmxh Z3MpOwogICAgICAgIC8qCiAgICAgICAgICogQ2xlYXIgc3RhbGUgdXNiMiByZXN1bWUgc2lnbmFs bGluZyB2YXJpYWJsZXMgaW4gY2FzZSBwb3J0IGNoYW5nZWQKICAgICAgICAgKiBzdGF0ZSBkdXJp bmcgcmVzdW1lIHNpZ25hbGxpbmcuIEZvciBleGFtcGxlIG9uIGVycm9yCiAgICAgICAgICovCiAg ICAgICAgaWYgKChidXNfc3RhdGUtPnJlc3VtZV9kb25lW3dJbmRleF0gfHwKICAgICAgICAgICAg IHRlc3RfYml0KHdJbmRleCwgJmJ1c19zdGF0ZS0+cmVzdW1pbmdfcG9ydHMpKSAmJgogICAgICAg ICAgICAocmF3X3BvcnRfc3RhdHVzICYgUE9SVF9QTFNfTUFTSykgIT0gWERFVl9VMyAmJgogICAg ICAgICAgICAocmF3X3BvcnRfc3RhdHVzICYgUE9SVF9QTFNfTUFTSykgIT0gWERFVl9SRVNVTUUp IHsKICAgICAgICAgICAgICAgIGJ1c19zdGF0ZS0+cmVzdW1lX2RvbmVbd0luZGV4XSA9IDA7CiAg ICAgICAgICAgICAgICBjbGVhcl9iaXQod0luZGV4LCAmYnVzX3N0YXRlLT5yZXN1bWluZ19wb3J0 cyk7CiAgICAgICAgICAgICAgICB1c2JfaGNkX2VuZF9wb3J0X3Jlc3VtZSgmaGNkLT5zZWxmLCB3 SW5kZXgpOwogICAgICAgIH0KCk90aGVyd2lzZSB2ZXJ5IGdvb2QgY2F0Y2ghCgoJUmVnYXJkcwoJ CU9saXZlcgo=