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: [2/3] usb: xhci: tegra: Add runtime PM support From: Thierry Reding Message-Id: <20180309083629.GA13877@ulmo> Date: Fri, 9 Mar 2018 09:36:29 +0100 To: Jon Hunter Cc: Mathias Nyman , Mathias Nyman , Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: T24gVGh1LCBNYXIgMDgsIDIwMTggYXQgMDk6MzE6MDdQTSArMDAwMCwgSm9uIEh1bnRlciB3cm90 ZToKPiAKPiBPbiAwMS8wMy8xOCAxNDoxOCwgTWF0aGlhcyBOeW1hbiB3cm90ZToKPiA+IE9uIDE0 LjAyLjIwMTggMTg6MzQsIEpvbiBIdW50ZXIgd3JvdGU6Cj4gPj4gQWRkIHJ1bnRpbWUgUE0gc3Vw cG9ydCB0byB0aGUgVGVncmEgWEhDSSBkcml2ZXIgYW5kIG1vdmUgdGhlIGZ1bmN0aW9uCj4gPj4g Y2FsbHMgdG8gZW5hYmxlL2Rpc2FibGUgdGhlIGNsb2NrcywgcmVndWxhdG9ycyBhbmQgUEhZIGlu dG8gdGhlIHJ1bnRpbWUKPiA+PiBQTSBjYWxsYmFja3MuCj4gPj4KPiA+PiBTaWduZWQtb2ZmLWJ5 OiBKb24gSHVudGVyIDxqb25hdGhhbmhAbnZpZGlhLmNvbT4KPiA+PiAtLS0KPiA+PiDCoCBkcml2 ZXJzL3VzYi9ob3N0L3hoY2ktdGVncmEuYyB8IDgwCj4gPj4gKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrLS0tLS0tLS0tLS0tLQo+ID4+IMKgIDEgZmlsZSBjaGFuZ2VkLCA1NiBpbnNlcnRp b25zKCspLCAyNCBkZWxldGlvbnMoLSkKPiA+Pgo+ID4+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3Vz Yi9ob3N0L3hoY2ktdGVncmEuYwo+ID4+IGIvZHJpdmVycy91c2IvaG9zdC94aGNpLXRlZ3JhLmMK PiA+PiBpbmRleCAwMmIwYjI0ZmFhNTguLjQyYWE2Nzg1OGI1MyAxMDA2NDQKPiA+PiAtLS0gYS9k cml2ZXJzL3VzYi9ob3N0L3hoY2ktdGVncmEuYwo+ID4+ICsrKyBiL2RyaXZlcnMvdXNiL2hvc3Qv eGhjaS10ZWdyYS5jCj4gPj4gQEAgLTE4LDYgKzE4LDcgQEAKPiA+PiDCoCAjaW5jbHVkZSA8bGlu dXgvcGh5L3RlZ3JhL3h1c2IuaD4KPiA+PiDCoCAjaW5jbHVkZSA8bGludXgvcGxhdGZvcm1fZGV2 aWNlLmg+Cj4gPj4gwqAgI2luY2x1ZGUgPGxpbnV4L3BtLmg+Cj4gPj4gKyNpbmNsdWRlIDxsaW51 eC9wbV9ydW50aW1lLmg+Cj4gPj4gwqAgI2luY2x1ZGUgPGxpbnV4L3JlZ3VsYXRvci9jb25zdW1l ci5oPgo+ID4+IMKgICNpbmNsdWRlIDxsaW51eC9yZXNldC5oPgo+ID4+IMKgICNpbmNsdWRlIDxs aW51eC9zbGFiLmg+Cj4gPj4gQEAgLTEwNjcsMjIgKzEwNjgsMTIgQEAgc3RhdGljIGludCB0ZWdy YV94dXNiX3Byb2JlKHN0cnVjdAo+ID4+IHBsYXRmb3JtX2RldmljZSAqcGRldikKPiA+PiDCoMKg wqDCoMKgwqAgKi8KPiA+PiDCoMKgwqDCoMKgIHBsYXRmb3JtX3NldF9kcnZkYXRhKHBkZXYsIHRl Z3JhKTsKPiA+PiDCoCAtwqDCoMKgIGVyciA9IHRlZ3JhX3h1c2JfY2xrX2VuYWJsZSh0ZWdyYSk7 Cj4gPj4gLcKgwqDCoCBpZiAoZXJyKSB7Cj4gPj4gLcKgwqDCoMKgwqDCoMKgIGRldl9lcnIoJnBk ZXYtPmRldiwgImZhaWxlZCB0byBlbmFibGUgY2xvY2tzOiAlZFxuIiwgZXJyKTsKPiA+PiAtwqDC oMKgwqDCoMKgwqAgZ290byBwdXRfdXNiMjsKPiA+PiAtwqDCoMKgIH0KPiA+PiAtCj4gPj4gLcKg wqDCoCBlcnIgPSByZWd1bGF0b3JfYnVsa19lbmFibGUodGVncmEtPnNvYy0+bnVtX3N1cHBsaWVz LAo+ID4+IHRlZ3JhLT5zdXBwbGllcyk7Cj4gPj4gLcKgwqDCoCBpZiAoZXJyKSB7Cj4gPj4gLcKg wqDCoMKgwqDCoMKgIGRldl9lcnIoJnBkZXYtPmRldiwgImZhaWxlZCB0byBlbmFibGUgcmVndWxh dG9yczogJWRcbiIsIGVycik7Cj4gPj4gLcKgwqDCoMKgwqDCoMKgIGdvdG8gZGlzYWJsZV9jbGs7 Cj4gPj4gLcKgwqDCoCB9Cj4gPj4gK8KgwqDCoCBwbV9ydW50aW1lX2VuYWJsZSgmcGRldi0+ZGV2 KTsKPiA+PiDCoCAtwqDCoMKgIGVyciA9IHRlZ3JhX3h1c2JfcGh5X2VuYWJsZSh0ZWdyYSk7Cj4g Pj4gK8KgwqDCoCBlcnIgPSBwbV9ydW50aW1lX2dldF9zeW5jKCZwZGV2LT5kZXYpOwo+ID4+IMKg wqDCoMKgwqAgaWYgKGVyciA8IDApIHsKPiA+IAo+ID4gRG9lcyB0aGlzIG1lYW4gdGhhdCBpZiBy dW50aW1lIFBNIGlzIGRpc2FibGVkIHRoZW4gY2xvY2tzIGFuZCByZWd1bGF0b3IKPiA+IHdpbGwg bmV2ZXIgYmUgZW5hYmxlZAo+ID4gZm9yIFRlZ3JhIHhoY2k/Cj4gPiAKPiA+IEhvdyBhYm91dCBr ZWVwaW5nIHRoZSBjbG9jayBhbmQgcmVndWFsdG9yIGVuYWJsaW5nIGluIHByb2JlLCBhbmQgaW5z dGVhZAo+ID4gYWRkIHNvbWV0aGluZyBsaWtlOgo+ID4gCj4gPiBwbV9ydW50aW1lX3NldF9hY3Rp dmUoJnBkZXYtPmRldik7Cj4gPiBwbV9ydW50aW1lX2VuYWJsZSgmcGRldi0+ZGV2KTsKPiA+IHBt X3J1bnRpbWVfZ2V0X25vcmVzdW1lKCZwZGV2LT5kZXYpOwo+IAo+IEZvciA2NC1iaXQgVGVncmEg dGhlcmUgaXMgYSBkZXBlbmRlbmN5IG9uIENPTkZJR19QTSwgYnV0IGZvciAzMi1iaXQKPiBBRkFJ SyB0aGVyZSBpcyBub3QgYW5kIHNvIHllcyB3ZSBzaG91bGQgaGFuZGxlIHRoZSBjYXNlIHdoZW4g UE1fUlVOVElNRQo+IGlzIGRpc2FibGVkLgo+IAo+IFR5cGljYWxseSB3ZSBkbyBzb21ldGhpbmcg bGlrZSAuLi4KPiAKPiAgICAgcG1fcnVudGltZV9lbmFibGUoJnBkZXYtPmRldik7Cj4gICAgIGlm ICghcG1fcnVudGltZV9lbmFibGVkKCZwZGV2LT5kZXYpKQo+IAlyZXQgPSB0ZWdyYV94dXNiX3J1 bnRpbWVfcmVzdW1lKCZwZGV2LT5kZXYpOwo+ICAgICBlbHNlCj4gICAgICAgICByZXQgPSBwbV9y dW50aW1lX2dldF9zeW5jKCZwZGV2LT5kZXYpOwo+IAo+IFRoYXQgd2F5IHdlIGNhbiBrZWVwIHRo ZSByZWd1bGF0b3IgYW5kIGNsb2NrIHN0dWZmIGluIHRoZSBoYW5kbGVyLiBJCj4gd2lsbCB1cGRh dGUgdGhpcyBzZXJpZXMuCgpJcyB0aGVyZSBhbnkgZ29vZCByZWFzb24gd2h5IHdlIGRvbid0IGRl cGVuZCBvbiBQTSBmb3IgMzItYml0IGFzIHdlbGw/CkknbSBub3QgYXdhcmUgb2YgYW55IGRpZmZl cmVuY2VzIGluIGRyaXZlcnMgdGhhdCBhcmUgMzItYml0IHNwZWNpZmljIGZvcgpUZWdyYSwgYW5k IEknbSBub3QgZXZlbiBzdXJlIHRoZSAhUE0gY2FzZSBnZXRzIGFueSB0ZXN0aW5nIGF0IGFsbC4g QW5kCmV2ZW4gaWYsIGRvIHdlIHJlYWxseSBzdGlsbCB3YW50IHRvIHN1cHBvcnQgdGhhdD8KCkkg ZG9uJ3Qgc2VlIGFueSBhZHZhbnRhZ2UgdGhlc2UgZGF5cyBmb3IgaGF2aW5nIGl0IGRpc2FibGVk LgoKVGhpZXJyeQo=