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: [4.19,014/110] usb: xhci: Prevent bus suspend if a port connect change or polling state is detected From: Mathias Nyman Message-Id: <06384740-496f-ce37-34bc-3e55fd9ed538@linux.intel.com> Date: Thu, 13 Dec 2018 14:24:14 +0200 To: Greg Kroah-Hartman , Thomas Zeitlhofer Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, linux-usb@vger.kernel.org List-ID: T24gMTMuMTIuMjAxOCAwOTozNiwgR3JlZyBLcm9haC1IYXJ0bWFuIHdyb3RlOgo+IE9uIFdlZCwg RGVjIDEyLCAyMDE4IGF0IDExOjUzOjM0UE0gKzAxMDAsIFRob21hcyBaZWl0bGhvZmVyIHdyb3Rl Ogo+PiBIZWxsbywKPj4KPj4gT24gVGh1LCBOb3YgMjksIDIwMTggYXQgMDM6MTE6NDVQTSArMDEw MCwgR3JlZyBLcm9haC1IYXJ0bWFuIHdyb3RlOgo+Pj4gNC4xOS1zdGFibGUgcmV2aWV3IHBhdGNo LiAgSWYgYW55b25lIGhhcyBhbnkgb2JqZWN0aW9ucywgcGxlYXNlIGxldCBtZQo+Pj4ga25vdy4K Pj4+Cj4+PiAtLS0tLS0tLS0tLS0tLS0tLS0KPj4+Cj4+PiBGcm9tOiBNYXRoaWFzIE55bWFuIDxt YXRoaWFzLm55bWFuQGxpbnV4LmludGVsLmNvbT4KPj4+Cj4+PiBjb21taXQgMmYzMWE2N2YwMWE4 YmViMjJjYWU3NTRjNTM1MjJjYjYxYTAwNTc1MCB1cHN0cmVhbS4KPj4gWy4uLl0KPj4KPj4gb24g YSBjdXJyZW50IFRoaW5rcGFkIFgxIFlvZ2EsIHRoaXMgYnJlYWtzIHJlc3VtZSBmcm9tIGhpYmVy bmF0ZSBzdWNoCj4+IHRoYXQgb3BlbmluZyB0aGUgbGlkIGhhcyAoaW4gdGhlIHJlZ3VsYXIgdXNl IGNhc2UsIHNlZSBiZWxvdykgbm8gZWZmZWN0Cj4+IGFueSBtb3JlOgo+Pgo+PiBUaGUgc3lzdGVt IGlzIGNvbmZpZ3VyZWQgdG8gaGliZXJuYXRlIHdoZW4gdGhlIGxpZCBpcyBjbG9zZWQuIFNvLCB0 aGUKPj4gZXhwZWN0ZWQgYmVoYXZpb3IsIHdoaWNoIGlzIHJlc3RvcmVkIGJ5IHJldmVydGluZyB0 aGlzIHBhdGNoLCBpczoKPj4KPj4gCWNsb3NlIGxpZCA9PiBzeXN0ZW0gaGliZXJuYXRlcwo+PiAJ b3BlbiBsaWQgPT4gc3lzdGVtIHJlc3VtZXMKPj4KPj4gV2l0aCB0aGlzIHBhdGNoLCB0aGUgZm9s bG93aW5nIHR3byBjYXNlcyBhcmUgb2JzZXJ2ZWQ6Cj4+Cj4+IAkxKQo+PiAJCWNsb3NlIGxpZCA9 PiBzeXN0ZW0gaGliZXJuYXRlcwo+PiAJCW9wZW4gbGlkID0+IHN5c3RlbSBzdGF5cyBvZmYKPj4g CQlwcmVzcyBwb3dlciBidXR0b24gPT4gc3lzdGVtIGJvb3RzIGFuZCByZXN1bWVzCj4+Cj4+IAky KQo+PiAJCSMgc3lzdGVtY3RsIGhpYmVybmF0ZSA9PiBzeXN0ZW0gaGliZXJuYXRlcwo+PiAJCWNs b3NlIGxpZAo+PiAJCW9wZW4gbGlkID0+IHN5c3RlbSByZXN1bWVzCj4+Cj4gCj4gU28gdGhpcyBp cyBhIHByb2JsZW0gaW4gTGludXMncyB0cmVlPyAgSWYgc28sIGxldCdzIHdvcmsgdG8gZ2V0IHRo aXMKPiBmaXhlZCB0aGVyZSBmaXJzdC4KPiAKPiBJZiBub3QsIHRoZW4gd2UgaGF2ZSBvdGhlciBp c3N1ZXMgOikKPiAKClRoYXQgcGF0Y2ggaW5jb3JyZWN0bHkgcmVhY3RzIHRvIFVTQjIgcG9sbGlu ZyBzdGF0ZXMgYXMgd2VsbCwKd2hpY2ggY291bGQgY2F1c2UgaXNzdWVzIGxpa2UgdGhpcy4KCkRv ZXMgYXBwbHlpbmcgdGhlIGJlbG93IGNvZGUgaGVscD8KCmRpZmYgLS1naXQgYS9kcml2ZXJzL3Vz Yi9ob3N0L3hoY2ktaHViLmMgYi9kcml2ZXJzL3VzYi9ob3N0L3hoY2ktaHViLmMKaW5kZXggOTRh Y2ExYi4uMDFiNTgxOCAxMDA2NDQKLS0tIGEvZHJpdmVycy91c2IvaG9zdC94aGNpLWh1Yi5jCisr KyBiL2RyaXZlcnMvdXNiL2hvc3QveGhjaS1odWIuYwpAQCAtMTUwNyw3ICsxNTA3LDggQEAgaW50 IHhoY2lfYnVzX3N1c3BlbmQoc3RydWN0IHVzYl9oY2QgKmhjZCkKICAgICAgICAgICAgICAgICBw b3J0c2NfYnVmW3BvcnRfaW5kZXhdID0gMDsKICAKICAgICAgICAgICAgICAgICAvKiBCYWlsIG91 dCBpZiBhIFVTQjMgcG9ydCBoYXMgYSBuZXcgZGV2aWNlIGluIGxpbmsgdHJhaW5pbmcgKi8KLSAg ICAgICAgICAgICAgIGlmICgodDEgJiBQT1JUX1BMU19NQVNLKSA9PSBYREVWX1BPTExJTkcpIHsK KyAgICAgICAgICAgICAgIGlmICgoaGNkLT5zcGVlZCA+PSBIQ0RfVVNCMykgJiYKKyAgICAgICAg ICAgICAgICAgICAodDEgJiBQT1JUX1BMU19NQVNLKSA9PSBYREVWX1BPTExJTkcpIHsKICAgICAg ICAgICAgICAgICAgICAgICAgIGJ1c19zdGF0ZS0+YnVzX3N1c3BlbmRlZCA9IDA7CiAgICAgICAg ICAgICAgICAgICAgICAgICBzcGluX3VubG9ja19pcnFyZXN0b3JlKCZ4aGNpLT5sb2NrLCBmbGFn cyk7CiAgICAgICAgICAgICAgICAgICAgICAgICB4aGNpX2RiZyh4aGNpLCAiQnVzIHN1c3BlbmQg YmFpbG91dCwgcG9ydCBpbiBwb2xsaW5nXG4iKTsK