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: [1/4] usb: dwc3: gadget: return errors from __dwc3_gadget_start_isoc() From: Laurent Pinchart Message-Id: <2125626.n6zQuNk4Ce@avalon> Date: Mon, 20 Aug 2018 14:23:21 +0300 To: Felipe Balbi Cc: linux-usb@vger.kernel.org List-ID: SGkgRmVsaXBlLAoKVGhhbmsgeW91IGZvciB0aGUgcGF0Y2guCgpPbiBNb25kYXksIDIwIEF1Z3Vz dCAyMDE4IDEzOjI5OjU4IEVFU1QgRmVsaXBlIEJhbGJpIHdyb3RlOgo+IFNvbWV0aW1lcywgZXJy b3JzIGhhcHBlbiB3aGVuIGtpY2tpbmcgdHJhbnNmZXJzIGZyb20KPiBfX2R3YzNfZ2FkZ2V0X3N0 YXJ0X2lzb2MoKS4gSW4gdGhvc2UgY2FzZXMsIHdlIG5lZWQgdG8gcGFzcyBhbG9uZyB0aGUKPiBl cnJvciBzbyBnYWRnZXQgZHJpdmVyIGNhbiBtYWtlIGluZm9ybWVkIGRlY2lzaW9ucy4KPiAKPiBT aWduZWQtb2ZmLWJ5OiBGZWxpcGUgQmFsYmkgPGZlbGlwZS5iYWxiaUBsaW51eC5pbnRlbC5jb20+ Cj4gLS0tCj4gIGRyaXZlcnMvdXNiL2R3YzMvZ2FkZ2V0LmMgfCAxMSArKysrKy0tLS0tLQo+ICAx IGZpbGUgY2hhbmdlZCwgNSBpbnNlcnRpb25zKCspLCA2IGRlbGV0aW9ucygtKQo+IAo+IGRpZmYg LS1naXQgYS9kcml2ZXJzL3VzYi9kd2MzL2dhZGdldC5jIGIvZHJpdmVycy91c2IvZHdjMy9nYWRn ZXQuYwo+IGluZGV4IDY5YmYxMzdhYWIzNy4uZjYxYTQyNTBjODgzIDEwMDY0NAo+IC0tLSBhL2Ry aXZlcnMvdXNiL2R3YzMvZ2FkZ2V0LmMKPiArKysgYi9kcml2ZXJzL3VzYi9kd2MzL2dhZGdldC5j Cj4gQEAgLTEyNTUsMTcgKzEyNTUsMTcgQEAgc3RhdGljIGludCBfX2R3YzNfZ2FkZ2V0X2dldF9m cmFtZShzdHJ1Y3QgZHdjMyAqZHdjKQo+IHJldHVybiBEV0MzX0RTVFNfU09GRk4ocmVnKTsKPiAg fQo+IAo+IC1zdGF0aWMgdm9pZCBfX2R3YzNfZ2FkZ2V0X3N0YXJ0X2lzb2Moc3RydWN0IGR3YzNf ZXAgKmRlcCkKPiArc3RhdGljIGludCBfX2R3YzNfZ2FkZ2V0X3N0YXJ0X2lzb2Moc3RydWN0IGR3 YzNfZXAgKmRlcCkKPiAgewo+ICAJaWYgKGxpc3RfZW1wdHkoJmRlcC0+cGVuZGluZ19saXN0KSkg ewo+ICAJCWRldl9pbmZvKGRlcC0+ZHdjLT5kZXYsICIlczogcmFuIG91dCBvZiByZXF1ZXN0c1xu IiwKPiAgCQkJCWRlcC0+bmFtZSk7Cj4gIAkJZGVwLT5mbGFncyB8PSBEV0MzX0VQX1BFTkRJTkdf UkVRVUVTVDsKPiAtCQlyZXR1cm47Cj4gKwkJcmV0dXJuIC1FQUdBSU47Cj4gIAl9Cj4gCj4gIAlk ZXAtPmZyYW1lX251bWJlciA9IERXQzNfQUxJR05fRlJBTUUoZGVwKTsKPiAtCV9fZHdjM19nYWRn ZXRfa2lja190cmFuc2ZlcihkZXApOwo+ICsJcmV0dXJuIF9fZHdjM19nYWRnZXRfa2lja190cmFu c2ZlcihkZXApOwo+ICB9Cj4gCj4gIHN0YXRpYyBpbnQgX19kd2MzX2dhZGdldF9lcF9xdWV1ZShz dHJ1Y3QgZHdjM19lcCAqZGVwLCBzdHJ1Y3QgZHdjM19yZXF1ZXN0Cj4gKnJlcSkgQEAgLTEzMDYs OCArMTMwNiw3IEBAIHN0YXRpYyBpbnQgX19kd2MzX2dhZGdldF9lcF9xdWV1ZShzdHJ1Y3QKPiBk d2MzX2VwICpkZXAsIHN0cnVjdCBkd2MzX3JlcXVlc3QgKnJlcSkKPiAKPiAgCQlpZiAoKGRlcC0+ ZmxhZ3MgJiBEV0MzX0VQX1BFTkRJTkdfUkVRVUVTVCkpIHsKPiAgCQkJaWYgKCEoZGVwLT5mbGFn cyAmIERXQzNfRVBfVFJBTlNGRVJfU1RBUlRFRCkpIHsKPiAtCQkJCV9fZHdjM19nYWRnZXRfc3Rh cnRfaXNvYyhkZXApOwo+IC0JCQkJcmV0dXJuIDA7Cj4gKwkJCQlyZXR1cm4gX19kd2MzX2dhZGdl dF9zdGFydF9pc29jKGRlcCk7CgpEbyBJIHVuZGVyc3RhbmRhbmQgY29ycmVjdGx5IHRoYXQgdGhl IG5ldyAtRUFHQUlOIGVycm9yIHJldHVybmVkIGFib3ZlIHdoZW4gYW4gCnVuZGVycnVuIGhhcyBv Y2N1cnJlZCB3aWxsIG5ldmVyIGJlIHJldHVybmVkIGhlcmUsIGFzIHdlIGNhbGwgCl9fZHdjM19n YWRnZXRfc3RhcnRfaXNvYygpIGFmdGVyIGFkZGluZyBhIHJlcXVlc3QgdG8gdGhlIHBlbmRpbmdf bGlzdCwgY292ZXJlZCAKYnkgdGhlIHNhbWUgc3BpbmxvY2sgdGhhdCBpcyB0YWtlbiBieSB0aGUg SVJRIGhhbmRsZXIgdG8gcmVtb3ZlIHJlcXVlc3RzIGZyb20gCnRoZSBsaXN0ID8gSSBkb24ndCB0 aGluayB0aGF0J3MgYW4gaXNzdWUsIGJ1dCBJIHdhbnQgdG8gbWFrZSBzdXJlIG5vdGhpbmcgaXMg Cm92ZXJsb29rZWQuCgo+ICAJCQl9Cj4gIAkJfQo+ICAJfQo+IEBAIC0yNDI3LDcgKzI0MjYsNyBA QCBzdGF0aWMgdm9pZAo+IGR3YzNfZ2FkZ2V0X2VuZHBvaW50X3RyYW5zZmVyX25vdF9yZWFkeShz dHJ1Y3QgZHdjM19lcCAqZGVwLCBjb25zdCBzdHJ1Y3QKPiBkd2MzX2V2ZW50X2RlcGV2dCAqZXZl bnQpCj4gIHsKPiAgCWR3YzNfZ2FkZ2V0X2VuZHBvaW50X2ZyYW1lX2Zyb21fZXZlbnQoZGVwLCBl dmVudCk7Cj4gLQlfX2R3YzNfZ2FkZ2V0X3N0YXJ0X2lzb2MoZGVwKTsKPiArCSh2b2lkKSBfX2R3 YzNfZ2FkZ2V0X3N0YXJ0X2lzb2MoZGVwKTsKCk5vIG5lZWQgZm9yIGEgY2FzdCBoZXJlLgoKPiAg fQo+IAo+ICBzdGF0aWMgdm9pZCBkd2MzX2VuZHBvaW50X2ludGVycnVwdChzdHJ1Y3QgZHdjMyAq ZHdjLAo=