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: Mathias Nyman Message-Id: <54bd00b7-2835-a253-0399-370e8c8203b8@linux.intel.com> Date: Thu, 1 Mar 2018 16:18:09 +0200 To: Jon Hunter , Mathias Nyman , Greg Kroah-Hartman , Thierry Reding Cc: linux-usb@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: T24gMTQuMDIuMjAxOCAxODozNCwgSm9uIEh1bnRlciB3cm90ZToKPiBBZGQgcnVudGltZSBQTSBz dXBwb3J0IHRvIHRoZSBUZWdyYSBYSENJIGRyaXZlciBhbmQgbW92ZSB0aGUgZnVuY3Rpb24KPiBj YWxscyB0byBlbmFibGUvZGlzYWJsZSB0aGUgY2xvY2tzLCByZWd1bGF0b3JzIGFuZCBQSFkgaW50 byB0aGUgcnVudGltZQo+IFBNIGNhbGxiYWNrcy4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBKb24gSHVu dGVyIDxqb25hdGhhbmhAbnZpZGlhLmNvbT4KPiAtLS0KPiAgIGRyaXZlcnMvdXNiL2hvc3QveGhj aS10ZWdyYS5jIHwgODAgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrLS0tLS0tLS0tLS0t LQo+ICAgMSBmaWxlIGNoYW5nZWQsIDU2IGluc2VydGlvbnMoKyksIDI0IGRlbGV0aW9ucygtKQo+ IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3VzYi9ob3N0L3hoY2ktdGVncmEuYyBiL2RyaXZlcnMv dXNiL2hvc3QveGhjaS10ZWdyYS5jCj4gaW5kZXggMDJiMGIyNGZhYTU4Li40MmFhNjc4NThiNTMg MTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy91c2IvaG9zdC94aGNpLXRlZ3JhLmMKPiArKysgYi9kcml2 ZXJzL3VzYi9ob3N0L3hoY2ktdGVncmEuYwo+IEBAIC0xOCw2ICsxOCw3IEBACj4gICAjaW5jbHVk ZSA8bGludXgvcGh5L3RlZ3JhL3h1c2IuaD4KPiAgICNpbmNsdWRlIDxsaW51eC9wbGF0Zm9ybV9k ZXZpY2UuaD4KPiAgICNpbmNsdWRlIDxsaW51eC9wbS5oPgo+ICsjaW5jbHVkZSA8bGludXgvcG1f cnVudGltZS5oPgo+ICAgI2luY2x1ZGUgPGxpbnV4L3JlZ3VsYXRvci9jb25zdW1lci5oPgo+ICAg I2luY2x1ZGUgPGxpbnV4L3Jlc2V0Lmg+Cj4gICAjaW5jbHVkZSA8bGludXgvc2xhYi5oPgo+IEBA IC0xMDY3LDIyICsxMDY4LDEyIEBAIHN0YXRpYyBpbnQgdGVncmFfeHVzYl9wcm9iZShzdHJ1Y3Qg cGxhdGZvcm1fZGV2aWNlICpwZGV2KQo+ICAgCSAqLwo+ICAgCXBsYXRmb3JtX3NldF9kcnZkYXRh KHBkZXYsIHRlZ3JhKTsKPiAgIAo+IC0JZXJyID0gdGVncmFfeHVzYl9jbGtfZW5hYmxlKHRlZ3Jh KTsKPiAtCWlmIChlcnIpIHsKPiAtCQlkZXZfZXJyKCZwZGV2LT5kZXYsICJmYWlsZWQgdG8gZW5h YmxlIGNsb2NrczogJWRcbiIsIGVycik7Cj4gLQkJZ290byBwdXRfdXNiMjsKPiAtCX0KPiAtCj4g LQllcnIgPSByZWd1bGF0b3JfYnVsa19lbmFibGUodGVncmEtPnNvYy0+bnVtX3N1cHBsaWVzLCB0 ZWdyYS0+c3VwcGxpZXMpOwo+IC0JaWYgKGVycikgewo+IC0JCWRldl9lcnIoJnBkZXYtPmRldiwg ImZhaWxlZCB0byBlbmFibGUgcmVndWxhdG9yczogJWRcbiIsIGVycik7Cj4gLQkJZ290byBkaXNh YmxlX2NsazsKPiAtCX0KPiArCXBtX3J1bnRpbWVfZW5hYmxlKCZwZGV2LT5kZXYpOwo+ICAgCj4g LQllcnIgPSB0ZWdyYV94dXNiX3BoeV9lbmFibGUodGVncmEpOwo+ICsJZXJyID0gcG1fcnVudGlt ZV9nZXRfc3luYygmcGRldi0+ZGV2KTsKPiAgIAlpZiAoZXJyIDwgMCkgewoKRG9lcyB0aGlzIG1l YW4gdGhhdCBpZiBydW50aW1lIFBNIGlzIGRpc2FibGVkIHRoZW4gY2xvY2tzIGFuZCByZWd1bGF0 b3Igd2lsbCBuZXZlciBiZSBlbmFibGVkCmZvciBUZWdyYSB4aGNpPwoKSG93IGFib3V0IGtlZXBp bmcgdGhlIGNsb2NrIGFuZCByZWd1YWx0b3IgZW5hYmxpbmcgaW4gcHJvYmUsIGFuZCBpbnN0ZWFk IGFkZCBzb21ldGhpbmcgbGlrZToKCnBtX3J1bnRpbWVfc2V0X2FjdGl2ZSgmcGRldi0+ZGV2KTsK cG1fcnVudGltZV9lbmFibGUoJnBkZXYtPmRldik7CnBtX3J1bnRpbWVfZ2V0X25vcmVzdW1lKCZw ZGV2LT5kZXYpOwoKLU1hdGhpYXMKLS0tClRvIHVuc3Vic2NyaWJlIGZyb20gdGhpcyBsaXN0OiBz ZW5kIHRoZSBsaW5lICJ1bnN1YnNjcmliZSBsaW51eC11c2IiIGluCnRoZSBib2R5IG9mIGEgbWVz c2FnZSB0byBtYWpvcmRvbW9Admdlci5rZXJuZWwub3JnCk1vcmUgbWFqb3Jkb21vIGluZm8gYXQg IGh0dHA6Ly92Z2VyLmtlcm5lbC5vcmcvbWFqb3Jkb21vLWluZm8uaHRtbAo=