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: [V2,2/3] usb: xhci: tegra: Add runtime PM support From: Thierry Reding Message-Id: <20180427101016.GQ30388@ulmo> Date: Fri, 27 Apr 2018 12:10:16 +0200 To: Jon Hunter Cc: Mathias Nyman , Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: T24gVGh1LCBBcHIgMjYsIDIwMTggYXQgMDM6NTk6MDlQTSArMDEwMCwgSm9uIEh1bnRlciB3cm90 ZToKPiBBZGQgcnVudGltZSBQTSBzdXBwb3J0IHRvIHRoZSBUZWdyYSBYSENJIGRyaXZlciBhbmQg bW92ZSB0aGUgZnVuY3Rpb24KPiBjYWxscyB0byBlbmFibGUvZGlzYWJsZSB0aGUgY2xvY2tzLCBy ZWd1bGF0b3JzIGFuZCBQSFkgaW50byB0aGUgcnVudGltZQo+IFBNIGNhbGxiYWNrcy4KPiAKPiBT aWduZWQtb2ZmLWJ5OiBKb24gSHVudGVyIDxqb25hdGhhbmhAbnZpZGlhLmNvbT4KPiAtLS0KPiAK PiBDaGFuZ2VzIHNpbmNlIFYxOgo+IC0gUmUtd29ya2VkIGNoYW5nZSB0byBoYW5kbGUgY2FzZSB3 aGVyZSBydW50aW1lIFBNIGlzIGRpc2FibGVkLgo+IAo+ICBkcml2ZXJzL3VzYi9ob3N0L3hoY2kt dGVncmEuYyB8IDg5ICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKy0tLS0tLS0tLS0tLS0K PiAgMSBmaWxlIGNoYW5nZWQsIDYzIGluc2VydGlvbnMoKyksIDI2IGRlbGV0aW9ucygtKQo+IAo+ IGRpZmYgLS1naXQgYS9kcml2ZXJzL3VzYi9ob3N0L3hoY2ktdGVncmEuYyBiL2RyaXZlcnMvdXNi L2hvc3QveGhjaS10ZWdyYS5jCj4gaW5kZXggMDJiMGIyNGZhYTU4Li44NWYyMzgxODgzYWQgMTAw NjQ0Cj4gLS0tIGEvZHJpdmVycy91c2IvaG9zdC94aGNpLXRlZ3JhLmMKPiArKysgYi9kcml2ZXJz L3VzYi9ob3N0L3hoY2ktdGVncmEuYwo+IEBAIC0xOCw2ICsxOCw3IEBACj4gICNpbmNsdWRlIDxs aW51eC9waHkvdGVncmEveHVzYi5oPgo+ICAjaW5jbHVkZSA8bGludXgvcGxhdGZvcm1fZGV2aWNl Lmg+Cj4gICNpbmNsdWRlIDxsaW51eC9wbS5oPgo+ICsjaW5jbHVkZSA8bGludXgvcG1fcnVudGlt ZS5oPgo+ICAjaW5jbHVkZSA8bGludXgvcmVndWxhdG9yL2NvbnN1bWVyLmg+Cj4gICNpbmNsdWRl IDxsaW51eC9yZXNldC5oPgo+ICAjaW5jbHVkZSA8bGludXgvc2xhYi5oPgo+IEBAIC03NjEsNiAr NzYyLDUwIEBAIHN0YXRpYyB2b2lkIHRlZ3JhX3h1c2JfcGh5X2Rpc2FibGUoc3RydWN0IHRlZ3Jh X3h1c2IgKnRlZ3JhKQo+ICAJfQo+ICB9Cj4gIAo+ICtzdGF0aWMgaW50IHRlZ3JhX3h1c2JfcnVu dGltZV9zdXNwZW5kKHN0cnVjdCBkZXZpY2UgKmRldikKPiArewo+ICsJc3RydWN0IHRlZ3JhX3h1 c2IgKnRlZ3JhID0gZGV2X2dldF9kcnZkYXRhKGRldik7Cj4gKwo+ICsJdGVncmFfeHVzYl9waHlf ZGlzYWJsZSh0ZWdyYSk7Cj4gKwlyZWd1bGF0b3JfYnVsa19kaXNhYmxlKHRlZ3JhLT5zb2MtPm51 bV9zdXBwbGllcywgdGVncmEtPnN1cHBsaWVzKTsKPiArCXRlZ3JhX3h1c2JfY2xrX2Rpc2FibGUo dGVncmEpOwo+ICsKPiArCXJldHVybiAwOwo+ICt9Cj4gKwo+ICtzdGF0aWMgaW50IHRlZ3JhX3h1 c2JfcnVudGltZV9yZXN1bWUoc3RydWN0IGRldmljZSAqZGV2KQo+ICt7Cj4gKwlzdHJ1Y3QgdGVn cmFfeHVzYiAqdGVncmEgPSBkZXZfZ2V0X2RydmRhdGEoZGV2KTsKPiArCWludCBlcnI7Cj4gKwo+ ICsJZXJyID0gdGVncmFfeHVzYl9jbGtfZW5hYmxlKHRlZ3JhKTsKPiArCWlmIChlcnIpIHsKPiAr CQlkZXZfZXJyKGRldiwgImZhaWxlZCB0byBlbmFibGUgY2xvY2tzOiAlZFxuIiwgZXJyKTsKPiAr CQlyZXR1cm4gZXJyOwo+ICsJfQo+ICsKPiArCWVyciA9IHJlZ3VsYXRvcl9idWxrX2VuYWJsZSh0 ZWdyYS0+c29jLT5udW1fc3VwcGxpZXMsIHRlZ3JhLT5zdXBwbGllcyk7Cj4gKwlpZiAoZXJyKSB7 Cj4gKwkJZGV2X2VycihkZXYsICJmYWlsZWQgdG8gZW5hYmxlIHJlZ3VsYXRvcnM6ICVkXG4iLCBl cnIpOwo+ICsJCWdvdG8gZGlzYWJsZV9jbGs7Cj4gKwl9Cj4gKwo+ICsJZXJyID0gdGVncmFfeHVz Yl9waHlfZW5hYmxlKHRlZ3JhKTsKPiArCWlmIChlcnIgPCAwKSB7Cj4gKwkJZGV2X2VycihkZXYs ICJmYWlsZWQgdG8gZW5hYmxlIFBIWXM6ICVkXG4iLCBlcnIpOwo+ICsJCWdvdG8gZGlzYWJsZV9y ZWd1bGF0b3I7Cj4gKwl9Cj4gKwo+ICsJcmV0dXJuIDA7Cj4gKwo+ICtkaXNhYmxlX3JlZ3VsYXRv cjoKPiArCXJlZ3VsYXRvcl9idWxrX2Rpc2FibGUodGVncmEtPnNvYy0+bnVtX3N1cHBsaWVzLCB0 ZWdyYS0+c3VwcGxpZXMpOwo+ICtkaXNhYmxlX2NsazoKPiArCXRlZ3JhX3h1c2JfY2xrX2Rpc2Fi bGUodGVncmEpOwo+ICsJcmV0dXJuIGVycjsKPiArfQo+ICsKPiArCgpUaGVyZSdzIGFuIGV4dHJh IGJsYW5rIGxpbmUgaGVyZS4gT3RoZXIgdGhhbiB0aGF0LCB0aGlzIGxvb2tzIHZlcnkgbmljZS4K ClJldmlld2VkLWJ5OiBUaGllcnJ5IFJlZGluZyA8dHJlZGluZ0BudmlkaWEuY29tPgpBY2tlZC1i eTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4K