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: Bin Liu Message-Id: <20181018124614.GE8763@uda0271908> Date: Thu, 18 Oct 2018 07:46:14 -0500 To: Laurent Pinchart 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: TGF1cmVudCwKCk9uIFRodSwgT2N0IDE4LCAyMDE4IGF0IDAyOjQ1OjMyQU0gKzAzMDAsIExhdXJl bnQgUGluY2hhcnQgd3JvdGU6Cj4gSGkgQmluLAo+IAo+IE9uIFRodXJzZGF5LCAxMSBPY3RvYmVy IDIwMTggMTk6MTA6MjEgRUVTVCBCaW4gTGl1IHdyb3RlOgo+ID4gT24gVHVlLCBPY3QgMDksIDIw MTggYXQgMTA6NDk6MDFQTSAtMDQwMCwgUGF1bCBFbGRlciB3cm90ZToKPiA+ID4gQSB1c2IgZ2Fk Z2V0IGZ1bmN0aW9uIGRyaXZlciBtYXkgb3IgbWF5IG5vdCB3YW50IHRvIGRlbGF5IHRoZSBzdGF0 dXMKPiA+ID4gc3RhZ2Ugb2YgYSBjb250cm9sIE9VVCByZXF1ZXN0LiBBbiBpbnN0YW5jZSBpdCBt aWdodCB3YW50IHRvIGlzIHRvCj4gPiA+IGFzeW5jaHJvbm91c2x5IHZhbGlkYXRlIHRoZSBkYXRh IG9mIGEgY2xhc3Mtc3BlY2lmaWMgcmVxdWVzdC4KPiA+ID4gCj4gPiA+IEFkZCBhIGZ1bmN0aW9u IHVzYl9lcF9kZWxheV9zdGF0dXMgdG8gYWxsb3cgZnVuY3Rpb24gZHJpdmVycyB0byBjaG9vc2UK PiA+ID4gdG8gZGVsYXkgdGhlIHN0YXR1cyBzdGFnZSBpbiB0aGUgcmVxdWVzdCBjb21wbGV0aW9u IGhhbmRsZXIuIFRoZSBVREMKPiA+ID4gc2hvdWxkIHRoZW4gY2hlY2sgdGhlIHVzYl9lcC0+ZGVs YXllZF9zdGF0dXMgZmxhZyBhbmQgYWN0IGFjY29yZGluZ2x5IHRvCj4gPiA+IGRlbGF5IHRoZSBz dGF0dXMgc3RhZ2UuCj4gPiA+IAo+ID4gPiBBbHNvIGFkZCBhIGZ1bmN0aW9uIHVzYl9lcF9zZW5k X3Jlc3BvbnNlIGFzIGEgd3JhcHBlciBmb3IKPiA+ID4gdXNiX2VwLT5vcHMtPnNlbmRfcmVzcG9u c2UsIHdob3NlIHByb3RvdHlwZSBpcyBhZGRlZCBhcyB3ZWxsLiBUaGlzCj4gPiA+IGZ1bmN0aW9u IHNob3VsZCBiZSBjYWxsZWQgYnkgZnVuY3Rpb24gZHJpdmVycyB0byB0ZWxsIHRoZSBVREMgd2hh dCB0bwo+ID4gPiByZXBseSBpbiB0aGUgc3RhdHVzIHN0YWdlIHRoYXQgaXQgaGFzIHJlcXVlc3Rl ZCB0byBiZSBkZWxheWVkLgo+ID4gPiAKPiA+ID4gU2lnbmVkLW9mZi1ieTogUGF1bCBFbGRlciA8 cGF1bC5lbGRlckBpZGVhc29uYm9hcmQuY29tPgo+ID4gPiBSZXZpZXdlZC1ieTogTGF1cmVudCBQ aW5jaGFydCA8bGF1cmVudC5waW5jaGFydEBpZGVhc29uYm9hcmQuY29tPgo+ID4gPiAtLS0KPiA+ ID4gCj4gPiA+ICBkcml2ZXJzL3VzYi9nYWRnZXQvdWRjL2NvcmUuYyB8IDM1ICsrKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrCj4gPiA+ICBpbmNsdWRlL2xpbnV4L3VzYi9nYWRnZXQu aCAgICB8IDExICsrKysrKysrKysrCj4gPiA+ICAyIGZpbGVzIGNoYW5nZWQsIDQ2IGluc2VydGlv bnMoKykKPiA+ID4gCj4gPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3VzYi9nYWRnZXQvdWRjL2Nv cmUuYyBiL2RyaXZlcnMvdXNiL2dhZGdldC91ZGMvY29yZS5jCj4gPiA+IGluZGV4IGFmODhiNDhj MWNlYS4uMWVjNWNlNmI0M2NkIDEwMDY0NAo+ID4gPiAtLS0gYS9kcml2ZXJzL3VzYi9nYWRnZXQv dWRjL2NvcmUuYwo+ID4gPiArKysgYi9kcml2ZXJzL3VzYi9nYWRnZXQvdWRjL2NvcmUuYwo+ID4g PiBAQCAtNDQzLDYgKzQ0Myw0MSBAQCB2b2lkIHVzYl9lcF9maWZvX2ZsdXNoKHN0cnVjdCB1c2Jf ZXAgKmVwKQo+ID4gPiAgfQo+ID4gPiAgRVhQT1JUX1NZTUJPTF9HUEwodXNiX2VwX2ZpZm9fZmx1 c2gpOwo+ID4gPiAKPiA+ID4gKy8qKgo+ID4gPiArICogdXNiX2VwX2VwX2RlbGF5X3N0YXR1cyAt IHNldCBkZWxheV9zdGF0dXMgZmxhZwo+ID4gPiArICogQGVwOiB0aGUgZW5kcG9pbnQgd2hvc2Ug ZGVsYXlfc3RhdHVzIGZsYWcgaXMgYmVpbmcgc2V0Cj4gPiA+ICsgKgo+ID4gPiArICogVGhpcyBm dW5jdGlvbiBpbnN0cnVjdHMgdGhlIFVEQyB0byBkZWxheSB0aGUgc3RhdHVzIHN0YWdlIG9mIGEg Y29udHJvbAo+ID4gPiArICogcmVxdWVzdC4gSXQgY2FuIG9ubHkgYmUgY2FsbGVkIGZyb20gdGhl IHJlcXVlc3QgY29tcGxldGlvbiBoYW5kbGVyIG9mCj4gPiA+IGEKPiA+ID4gKyAqIGNvbnRyb2wg cmVxdWVzdC4KPiA+ID4gKyAqLwo+ID4gPiArdm9pZCB1c2JfZXBfZGVsYXlfc3RhdHVzKHN0cnVj dCB1c2JfZXAgKmVwKQo+ID4gPiArewo+ID4gPiArCWVwLT5kZWxheWVkX3N0YXR1cyA9IHRydWU7 Cj4gPiA+ICt9Cj4gPiA+ICtFWFBPUlRfU1lNQk9MX0dQTCh1c2JfZXBfZGVsYXlfc3RhdHVzKTsK PiA+IAo+ID4gSXMgdXNiX2VwX3NldF9kZWxheV9zdGF0dXMoKSBiZXR0ZXI/IEkgdGhvdWdodCBp dCBpbXBsaWVzIGdldC9yZXR1cm4KPiA+IGFjdGlvbiBpZiBhIHZlcmIgaXMgbWlzc2luZyBpbiB0 aGUgZnVuY3Rpb24gbmFtZS4KPiAKPiBGb3Igd2hhdCBpdCdzIHdvcnRoLCBJIHVuZGVyc3RhbmQg dGhlIGZ1bmN0aW9uIG5hbWUgYXMgImRlbGF5IHRoZSBzdGF0dXMgCj4gc3RhZ2UiLCB3aXRoICJk ZWxheSIgYmVpbmcgYSB2ZXJiLiBNYXliZSB0aGUgc2hvcnQgZGVzY3JpcHRpb24gY291bGQgYmUg Cj4gdXBkYXRlZCBhY2NvcmRpbmdseS4KCk9rYXksIG1heWJlIGl0IGlzIGp1c3QgbXkgb3duIHVu ZGVyc3RhbmRpbmcgcHJvYmxlbS4gSSB0aG91Z2h0IGFib3V0CmRlbGF5IGFzIHRoZSB2ZXJiLCBi dXQgdGhlbiBub3RpY2UgdGhlIHZhciBpcyBjYWxsZWQgZGVsYXllZF9zdGF0dXMsCnRoZW4gSSB3 YXMgdGhpbmtpbmcgZGVsYXlfc3RhdHVzIGluIHRoZSBmdW5jdGlvbiBuYW1lIGFzIHRoZSBmbGFn LgoKTm8gd29ycmllcy4KClJlZ2FyZHMsCi1CaW4uCg==