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: Laurent Pinchart Message-Id: <3055233.Lvy0NcWSZ5@avalon> Date: Thu, 18 Oct 2018 02:45:32 +0300 To: Bin Liu Cc: Paul Elder , kieran.bingham@ideasonboard.com, gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, balbi@kernel.org, stern@rowland.harvard.edu, rogerq@ti.com List-ID: SGkgQmluLAoKT24gVGh1cnNkYXksIDExIE9jdG9iZXIgMjAxOCAxOToxMDoyMSBFRVNUIEJpbiBM aXUgd3JvdGU6Cj4gT24gVHVlLCBPY3QgMDksIDIwMTggYXQgMTA6NDk6MDFQTSAtMDQwMCwgUGF1 bCBFbGRlciB3cm90ZToKPiA+IEEgdXNiIGdhZGdldCBmdW5jdGlvbiBkcml2ZXIgbWF5IG9yIG1h eSBub3Qgd2FudCB0byBkZWxheSB0aGUgc3RhdHVzCj4gPiBzdGFnZSBvZiBhIGNvbnRyb2wgT1VU IHJlcXVlc3QuIEFuIGluc3RhbmNlIGl0IG1pZ2h0IHdhbnQgdG8gaXMgdG8KPiA+IGFzeW5jaHJv bm91c2x5IHZhbGlkYXRlIHRoZSBkYXRhIG9mIGEgY2xhc3Mtc3BlY2lmaWMgcmVxdWVzdC4KPiA+ IAo+ID4gQWRkIGEgZnVuY3Rpb24gdXNiX2VwX2RlbGF5X3N0YXR1cyB0byBhbGxvdyBmdW5jdGlv biBkcml2ZXJzIHRvIGNob29zZQo+ID4gdG8gZGVsYXkgdGhlIHN0YXR1cyBzdGFnZSBpbiB0aGUg cmVxdWVzdCBjb21wbGV0aW9uIGhhbmRsZXIuIFRoZSBVREMKPiA+IHNob3VsZCB0aGVuIGNoZWNr IHRoZSB1c2JfZXAtPmRlbGF5ZWRfc3RhdHVzIGZsYWcgYW5kIGFjdCBhY2NvcmRpbmdseSB0bwo+ ID4gZGVsYXkgdGhlIHN0YXR1cyBzdGFnZS4KPiA+IAo+ID4gQWxzbyBhZGQgYSBmdW5jdGlvbiB1 c2JfZXBfc2VuZF9yZXNwb25zZSBhcyBhIHdyYXBwZXIgZm9yCj4gPiB1c2JfZXAtPm9wcy0+c2Vu ZF9yZXNwb25zZSwgd2hvc2UgcHJvdG90eXBlIGlzIGFkZGVkIGFzIHdlbGwuIFRoaXMKPiA+IGZ1 bmN0aW9uIHNob3VsZCBiZSBjYWxsZWQgYnkgZnVuY3Rpb24gZHJpdmVycyB0byB0ZWxsIHRoZSBV REMgd2hhdCB0bwo+ID4gcmVwbHkgaW4gdGhlIHN0YXR1cyBzdGFnZSB0aGF0IGl0IGhhcyByZXF1 ZXN0ZWQgdG8gYmUgZGVsYXllZC4KPiA+IAo+ID4gU2lnbmVkLW9mZi1ieTogUGF1bCBFbGRlciA8 cGF1bC5lbGRlckBpZGVhc29uYm9hcmQuY29tPgo+ID4gUmV2aWV3ZWQtYnk6IExhdXJlbnQgUGlu Y2hhcnQgPGxhdXJlbnQucGluY2hhcnRAaWRlYXNvbmJvYXJkLmNvbT4KPiA+IC0tLQo+ID4gCj4g PiAgZHJpdmVycy91c2IvZ2FkZ2V0L3VkYy9jb3JlLmMgfCAzNSArKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrKwo+ID4gIGluY2x1ZGUvbGludXgvdXNiL2dhZGdldC5oICAgIHwgMTEg KysrKysrKysrKysKPiA+ICAyIGZpbGVzIGNoYW5nZWQsIDQ2IGluc2VydGlvbnMoKykKPiA+IAo+ ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvdXNiL2dhZGdldC91ZGMvY29yZS5jIGIvZHJpdmVycy91 c2IvZ2FkZ2V0L3VkYy9jb3JlLmMKPiA+IGluZGV4IGFmODhiNDhjMWNlYS4uMWVjNWNlNmI0M2Nk IDEwMDY0NAo+ID4gLS0tIGEvZHJpdmVycy91c2IvZ2FkZ2V0L3VkYy9jb3JlLmMKPiA+ICsrKyBi L2RyaXZlcnMvdXNiL2dhZGdldC91ZGMvY29yZS5jCj4gPiBAQCAtNDQzLDYgKzQ0Myw0MSBAQCB2 b2lkIHVzYl9lcF9maWZvX2ZsdXNoKHN0cnVjdCB1c2JfZXAgKmVwKQo+ID4gIH0KPiA+ICBFWFBP UlRfU1lNQk9MX0dQTCh1c2JfZXBfZmlmb19mbHVzaCk7Cj4gPiAKPiA+ICsvKioKPiA+ICsgKiB1 c2JfZXBfZXBfZGVsYXlfc3RhdHVzIC0gc2V0IGRlbGF5X3N0YXR1cyBmbGFnCj4gPiArICogQGVw OiB0aGUgZW5kcG9pbnQgd2hvc2UgZGVsYXlfc3RhdHVzIGZsYWcgaXMgYmVpbmcgc2V0Cj4gPiAr ICoKPiA+ICsgKiBUaGlzIGZ1bmN0aW9uIGluc3RydWN0cyB0aGUgVURDIHRvIGRlbGF5IHRoZSBz dGF0dXMgc3RhZ2Ugb2YgYSBjb250cm9sCj4gPiArICogcmVxdWVzdC4gSXQgY2FuIG9ubHkgYmUg Y2FsbGVkIGZyb20gdGhlIHJlcXVlc3QgY29tcGxldGlvbiBoYW5kbGVyIG9mCj4gPiBhCj4gPiAr ICogY29udHJvbCByZXF1ZXN0Lgo+ID4gKyAqLwo+ID4gK3ZvaWQgdXNiX2VwX2RlbGF5X3N0YXR1 cyhzdHJ1Y3QgdXNiX2VwICplcCkKPiA+ICt7Cj4gPiArCWVwLT5kZWxheWVkX3N0YXR1cyA9IHRy dWU7Cj4gPiArfQo+ID4gK0VYUE9SVF9TWU1CT0xfR1BMKHVzYl9lcF9kZWxheV9zdGF0dXMpOwo+ IAo+IElzIHVzYl9lcF9zZXRfZGVsYXlfc3RhdHVzKCkgYmV0dGVyPyBJIHRob3VnaHQgaXQgaW1w bGllcyBnZXQvcmV0dXJuCj4gYWN0aW9uIGlmIGEgdmVyYiBpcyBtaXNzaW5nIGluIHRoZSBmdW5j dGlvbiBuYW1lLgoKRm9yIHdoYXQgaXQncyB3b3J0aCwgSSB1bmRlcnN0YW5kIHRoZSBmdW5jdGlv biBuYW1lIGFzICJkZWxheSB0aGUgc3RhdHVzIApzdGFnZSIsIHdpdGggImRlbGF5IiBiZWluZyBh IHZlcmIuIE1heWJlIHRoZSBzaG9ydCBkZXNjcmlwdGlvbiBjb3VsZCBiZSAKdXBkYXRlZCBhY2Nv cmRpbmdseS4K