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: roles: intel_xhci: Determine current role by DUAL_ROLE_CFG1 From: Hans de Goede Message-Id: <0f24132a-2569-d5a9-356d-ce84bd30ff68@redhat.com> Date: Wed, 10 Oct 2018 16:20:29 +0200 To: Yu Wang , linux-usb@vger.kernel.org Cc: heikki.krogerus@linux.intel.com List-ID: SGkgQWxsLAoKT24gMjktMDktMTggMTY6MjYsIFl1IFdhbmcgd3JvdGU6Cj4gVGhlIFVTQiBQSFkg bXV4IHN3aXRjaCBkZXBlbmQgb24gYm90aCBVU0IyL1VTQjMgUEhZIHN0YXRlIGFuZCB4SENJL3hE Q0kKPiBjb250cm9sbGVyIHN0YXRlLiBUaGUgcm9sZSBjYW4ndCBiZSBzd2l0Y2hlZCBpZiByZWxh dGVkIHN0YXRlcyBoYXZlbid0Cj4gc2F0aXNmaWVkLiBUaGF0IGlzIHdoeSB3ZSBuZWVkIHRvIHBv bGwgdGhlIERVQUxfUk9MRV9DRkcxIHRvIGNoZWNrIGlmCj4gdGhlIHJvbGUgc3dpdGNoZWQgc3Vj Y2Vzc2Z1bCBvciBub3QuCj4gCj4gU28gdGhlIFNXX0lEUElOIGFuZCBTV19WQlVTX1ZBTElEIGJp dHMgY2FuJ3QgZGV0ZXJtaW5lIHRoZSBjdXJyZW50Cj4gYWN0aW5nIHJvbGUuCj4gCj4gVGhpcyBw YXRjaCBjaGFuZ2VzIHRoZSBsb2dpYyBmb3IgZ2V0dGluZyByb2xlIGxvZ2ljLgo+IAo+IFNpZ25l ZC1vZmYtYnk6IFl1IFdhbmcgPHl1MS53YW5nQGludGVsLmNvbT4KCkFzIGRpc2N1c3NlZCBiZWZv cmUgSSd2ZSB0ZXN0ZWQgdGhpcyBvbiBhIENoZXJyeSBUcmFpbCBkZXZpY2UgdG8gbWFrZQpzdXJl IGl0IGRvZXMgbm90IGNhdXNlIHJlZ3Jlc3Npb25zIHRoZXJlLiBJJ20gaGFwcHkgdG8gcmVwb3J0 IHRoYXQgdGhpcwp3b3JrcyBmaW5lIHRoZXJlOgoKVGVzdGVkLWJ5OiBIYW5zIGRlIEdvZWRlIDxo ZGVnb2VkZUByZWRoYXQuY29tPgpBY2tlZC1ieTogSGFucyBkZSBHb2VkZSA8aGRlZ29lZGVAcmVk aGF0LmNvbT4KClJlZ2FyZHMsCgpIYW5zCgoKPiAtLS0KPiAgIGRyaXZlcnMvdXNiL3JvbGVzL2lu dGVsLXhoY2ktdXNiLXJvbGUtc3dpdGNoLmMgfCAxNiArKysrKysrKysrLS0tLS0tCj4gICAxIGZp bGUgY2hhbmdlZCwgMTAgaW5zZXJ0aW9ucygrKSwgNiBkZWxldGlvbnMoLSkKPiAKPiBkaWZmIC0t Z2l0IGEvZHJpdmVycy91c2Ivcm9sZXMvaW50ZWwteGhjaS11c2Itcm9sZS1zd2l0Y2guYyBiL2Ry aXZlcnMvdXNiL3JvbGVzL2ludGVsLXhoY2ktdXNiLXJvbGUtc3dpdGNoLmMKPiBpbmRleCAxZmIz ZGQwLi5jMTE4YzlhIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvdXNiL3JvbGVzL2ludGVsLXhoY2kt dXNiLXJvbGUtc3dpdGNoLmMKPiArKysgYi9kcml2ZXJzL3VzYi9yb2xlcy9pbnRlbC14aGNpLXVz Yi1yb2xlLXN3aXRjaC5jCj4gQEAgLTExMCwxNCArMTEwLDE4IEBAIHN0YXRpYyBlbnVtIHVzYl9y b2xlIGludGVsX3hoY2lfdXNiX2dldF9yb2xlKHN0cnVjdCBkZXZpY2UgKmRldikKPiAgIAo+ICAg CXBtX3J1bnRpbWVfZ2V0X3N5bmMoZGV2KTsKPiAgIAl2YWwgPSByZWFkbChkYXRhLT5iYXNlICsg RFVBTF9ST0xFX0NGRzApOwo+IC0JcG1fcnVudGltZV9wdXQoZGV2KTsKPiAgIAo+IC0JaWYgKCEo dmFsICYgU1dfSURQSU4pKQo+IC0JCXJvbGUgPSBVU0JfUk9MRV9IT1NUOwo+IC0JZWxzZSBpZiAo dmFsICYgU1dfVkJVU19WQUxJRCkKPiAtCQlyb2xlID0gVVNCX1JPTEVfREVWSUNFOwo+IC0JZWxz ZQo+ICsJaWYgKCh2YWwgJiBTV19JRFBJTikgJiYgISh2YWwgJiBTV19WQlVTX1ZBTElEKSkKPiAg IAkJcm9sZSA9IFVTQl9ST0xFX05PTkU7Cj4gKwllbHNlIHsKPiArCQl2YWwgPSByZWFkbChkYXRh LT5iYXNlICsgRFVBTF9ST0xFX0NGRzEpOwo+ICsJCWlmICh2YWwgJiBIT1NUX01PREUpCj4gKwkJ CXJvbGUgPSBVU0JfUk9MRV9IT1NUOwo+ICsJCWVsc2UKPiArCQkJcm9sZSA9IFVTQl9ST0xFX0RF VklDRTsKPiArCX0KPiArCj4gKwlwbV9ydW50aW1lX3B1dChkZXYpOwo+ICAgCj4gICAJcmV0dXJu IHJvbGU7Cj4gICB9Cj4K