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: [4/6] usb: gadget: add functions to signal udc driver to delay status stage From: Felipe Balbi Message-Id: <87tvkttm2w.fsf@linux.intel.com> Date: Wed, 07 Nov 2018 08:53:43 +0200 To: Alan Stern Cc: Laurent Pinchart , Paul Elder , Bin Liu , kieran.bingham@ideasonboard.com, gregkh@linuxfoundation.org, USB list , Kernel development list , rogerq@ti.com List-ID: SGksCgpBbGFuIFN0ZXJuIDxzdGVybkByb3dsYW5kLmhhcnZhcmQuZWR1PiB3cml0ZXM6Cj4+IEFs YW4gU3Rlcm4gPHN0ZXJuQHJvd2xhbmQuaGFydmFyZC5lZHU+IHdyaXRlczoKPj4gPiBUaGVyZSdz IGEgc2ltaWxhciByYWNlIGF0IHRoZSBoYXJkd2FyZSBsZXZlbC4gIFdoYXQgaGFwcGVucyBpZiB0 aGUKPj4gPiBjb250cm9sbGVyIHJlY2VpdmVzIGEgbmV3IFNFVFVQIHBhY2tldCBhbmQgY29uY3Vy cmVudGx5IHRoZSBkcml2ZXIgaXMKPj4gPiBzZXR0aW5nIHVwIHRoZSBjb250cm9sbGVyIHJlZ2lz dGVycyBmb3IgYSByZXNwb25zZSB0byBhbiBlYXJsaWVyCj4+ID4gU0VUVVA/ICBJIGRvbid0IGtu b3cgaG93IHJlYWwgY29udHJvbGxlcnMgaGFuZGxlIHRoaXMuCj4+IAo+PiBUaGF0J3MgSFcgaW1w bGVtZW50YXRpb24gZGV0YWlsLiBEV0MzLCBmb3IgaW5zdGFuY2UsIHdpbGwgaWdub3JlIHRoZQo+ PiBUUkJzIGFuZCByZXR1cm4gbWUgdGhlIHN0YXR1cyAic2V0dXAgcGFja2V0IHBlbmRpbmciLiBU aGVuIEkganVzdCBzdGFydAo+PiBhIG5ldyBTRVRVUCBUUkIuCj4KPiBZb3UgbWVhbiB0aGUgVURD IGhhcmR3YXJlIHNldHMgYSAic2V0dXAgcGVuZGluZyIgZmxhZyBpbiBzb21lIHJlZ2lzdGVyLAo+ IGFuZCB0aGVuIGlnbm9yZXMgYW55IGF0dGVtcHRzIHRvIGRvIGFueXRoaW5nIHdpdGggZXAwIHVu dGlsIHRoZSBkcml2ZXIKPiBjbGVhcnMgdGhpcyBmbGFnPwoKWWVzLCBleGNlcHQgdGhhdCB0aGUg ImZsYWciIGlzIGEgc3RhdHVzIG9uIHRoZSBUUkIgaXRzZWxmIChUUkIgaXMgZHdjMydzCkRNQSB0 cmFuc2ZlciBkZXNjcmlwdG9yKS4KCj4+ID4gWW91IG1lYW4sIHNob3VsZCB3ZSBhbGxvdyBmdW5j dGlvbiBkcml2ZXJzIHRvIHF1ZXVlIHRoZSBkYXRhLXN0YWdlCj4+ID4gcmVxdWVzdCBhZnRlciB0 aGUgc2V0dXAgaGFuZGxlciBoYXMgcmV0dXJuZWQ/ICBJIGRvbid0IHNlZSBhbnkgcmVhc29uCj4+ IAo+PiB0aGF0J3MgYWxyZWFkeSBkb25lOgo+PiAKPj4gc3RhdGljIHZvaWQgZHdjM19lcDBfeGZl cl9jb21wbGV0ZShzdHJ1Y3QgZHdjMyAqZHdjLAo+PiAJCQljb25zdCBzdHJ1Y3QgZHdjM19ldmVu dF9kZXBldnQgKmV2ZW50KQo+PiB7Cj4+IAlzdHJ1Y3QgZHdjM19lcAkJKmRlcCA9IGR3Yy0+ZXBz W2V2ZW50LT5lbmRwb2ludF9udW1iZXJdOwo+PiAKPj4gCWRlcC0+ZmxhZ3MgJj0gfkRXQzNfRVBf VFJBTlNGRVJfU1RBUlRFRDsKPj4gCWRlcC0+cmVzb3VyY2VfaW5kZXggPSAwOwo+PiAJZHdjLT5z ZXR1cF9wYWNrZXRfcGVuZGluZyA9IGZhbHNlOwo+PiAKPj4gCXN3aXRjaCAoZHdjLT5lcDBzdGF0 ZSkgewo+PiAJY2FzZSBFUDBfU0VUVVBfUEhBU0U6Cj4+IAkJZHdjM19lcDBfaW5zcGVjdF9zZXR1 cChkd2MsIGV2ZW50KTsKPj4gCQlicmVhazsKPj4gWy4uLl0KPj4gfQo+Cj4gLi4uCj4KPiBZb3Ug bWVhbiwgaXQncyBhbHJlYWR5IGRvbmUgaW4gRFdDMy4gIFdoYXQgYWJvdXQgb3RoZXIgVURDIGRy aXZlcnM/CgppZiB0aGV5J3JlIG5vdCBpbXBsZW1lbnRpbmcgdGhpcyBwb3NzaWJpbGl0eSwgdGhl biB0aGF0J3MgYSBidWcgb24KdGhvc2UgVURDIGRyaXZlcnMgOikKCj4+ID4gd2h5IG5vdC4gIEFm dGVyIGFsbCwgc29tZSBkcml2ZXJzIG1heSByZXF1aXJlIHRoaXMuICBMaWtld2lzZSBmb3IgdGhl IAo+PiA+IGRhdGEgc3RhZ2Ugb2YgYSBjb250cm9sLUlOLgo+PiA+Cj4+ID4gQW5vdGhlciB0aGlu ZyB3ZSBzaG91bGQgZG8gaXMgZ2l2ZSBmdW5jdGlvbiBkcml2ZXJzIGEgd2F5IHRvIHNlbmQgYQo+ PiA+IFNUQUxMIHJlc3BvbnNlIGZvciB0aGUgc3RhdHVzIHN0YWdlLiAgQ3VycmVudGx5IHRoZXJl J3Mgbm8gd2F5IHRvIGRvCj4+ID4gaXQsIGlmIGEgZGF0YSBzdGFnZSBpcyBwcmVzZW50Lgo+PiAK Pj4gU3RhdHVzIHN0YWdlIGNhbiBvbmx5IGJlIHN0YWxsZWQgaWYgaG9zdCB0cmllcyB0byBtb3Zl IGRhdGEgb24gdGhlIHdyb25nCj4+IGRpcmVjdGlvbi4KPgo+IFRoZSBVU0ItMiBzcGVjIGRpc2Fn cmVlcy4gIFNlZSBUYWJsZSA4LTcgaW4gc2VjdGlvbiA4LjUuMy4xIGFuZCB0aGUKPiBmb2xsb3dp bmcgcGFyYWdyYXBocy4gIChBbHRob3VnaCwgSSBjYW4ndCBzZWUgd2h5IGEgZnVuY3Rpb24gd291 bGQgZXZlcgo+IGZhaWwgdG8gY29tcGxldGUgdGhlIGNvbW1hbmQgc2VxdWVuY2UgZm9yIGEgY29u dHJvbC1JTiB0cmFuc2ZlciBhZnRlcgo+IHRoZSBkYXRhIGhhZCBhbHJlYWR5IGJlZW4gc2VudC4p CgpJIGNhbid0IHNlZSBob3cgd2UgY291bGQgZXZlciBTVEFMTCBhZnRlciByZXR1cm5pbmcgdGhl IGRhdGEgcmVxdWVzdGVkCmJ5IHRoZSBob3N0LiBTZWVtcyBsaWtlIHRoYXQgd2Fzbid0IHdlbGwg dGhvdWdodCBvdXQuCg==