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: <20181011161021.GB8763@uda0271908> Date: Thu, 11 Oct 2018 11:10:21 -0500 To: Paul Elder Cc: laurent.pinchart@ideasonboard.com, 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: SGksCgpPbiBUdWUsIE9jdCAwOSwgMjAxOCBhdCAxMDo0OTowMVBNIC0wNDAwLCBQYXVsIEVsZGVy IHdyb3RlOgo+IEEgdXNiIGdhZGdldCBmdW5jdGlvbiBkcml2ZXIgbWF5IG9yIG1heSBub3Qgd2Fu dCB0byBkZWxheSB0aGUgc3RhdHVzCj4gc3RhZ2Ugb2YgYSBjb250cm9sIE9VVCByZXF1ZXN0LiBB biBpbnN0YW5jZSBpdCBtaWdodCB3YW50IHRvIGlzIHRvCj4gYXN5bmNocm9ub3VzbHkgdmFsaWRh dGUgdGhlIGRhdGEgb2YgYSBjbGFzcy1zcGVjaWZpYyByZXF1ZXN0Lgo+IAo+IEFkZCBhIGZ1bmN0 aW9uIHVzYl9lcF9kZWxheV9zdGF0dXMgdG8gYWxsb3cgZnVuY3Rpb24gZHJpdmVycyB0byBjaG9v c2UKPiB0byBkZWxheSB0aGUgc3RhdHVzIHN0YWdlIGluIHRoZSByZXF1ZXN0IGNvbXBsZXRpb24g aGFuZGxlci4gVGhlIFVEQwo+IHNob3VsZCB0aGVuIGNoZWNrIHRoZSB1c2JfZXAtPmRlbGF5ZWRf c3RhdHVzIGZsYWcgYW5kIGFjdCBhY2NvcmRpbmdseSB0bwo+IGRlbGF5IHRoZSBzdGF0dXMgc3Rh Z2UuCj4gCj4gQWxzbyBhZGQgYSBmdW5jdGlvbiB1c2JfZXBfc2VuZF9yZXNwb25zZSBhcyBhIHdy YXBwZXIgZm9yCj4gdXNiX2VwLT5vcHMtPnNlbmRfcmVzcG9uc2UsIHdob3NlIHByb3RvdHlwZSBp cyBhZGRlZCBhcyB3ZWxsLiBUaGlzCj4gZnVuY3Rpb24gc2hvdWxkIGJlIGNhbGxlZCBieSBmdW5j dGlvbiBkcml2ZXJzIHRvIHRlbGwgdGhlIFVEQyB3aGF0IHRvCj4gcmVwbHkgaW4gdGhlIHN0YXR1 cyBzdGFnZSB0aGF0IGl0IGhhcyByZXF1ZXN0ZWQgdG8gYmUgZGVsYXllZC4KPiAKPiBTaWduZWQt b2ZmLWJ5OiBQYXVsIEVsZGVyIDxwYXVsLmVsZGVyQGlkZWFzb25ib2FyZC5jb20+Cj4gUmV2aWV3 ZWQtYnk6IExhdXJlbnQgUGluY2hhcnQgPGxhdXJlbnQucGluY2hhcnRAaWRlYXNvbmJvYXJkLmNv bT4KPiAtLS0KPiAgZHJpdmVycy91c2IvZ2FkZ2V0L3VkYy9jb3JlLmMgfCAzNSArKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKysrKwo+ICBpbmNsdWRlL2xpbnV4L3VzYi9nYWRnZXQuaCAg ICB8IDExICsrKysrKysrKysrCj4gIDIgZmlsZXMgY2hhbmdlZCwgNDYgaW5zZXJ0aW9ucygrKQo+ IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3VzYi9nYWRnZXQvdWRjL2NvcmUuYyBiL2RyaXZlcnMv dXNiL2dhZGdldC91ZGMvY29yZS5jCj4gaW5kZXggYWY4OGI0OGMxY2VhLi4xZWM1Y2U2YjQzY2Qg MTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy91c2IvZ2FkZ2V0L3VkYy9jb3JlLmMKPiArKysgYi9kcml2 ZXJzL3VzYi9nYWRnZXQvdWRjL2NvcmUuYwo+IEBAIC00NDMsNiArNDQzLDQxIEBAIHZvaWQgdXNi X2VwX2ZpZm9fZmx1c2goc3RydWN0IHVzYl9lcCAqZXApCj4gIH0KPiAgRVhQT1JUX1NZTUJPTF9H UEwodXNiX2VwX2ZpZm9fZmx1c2gpOwo+ICAKPiArLyoqCj4gKyAqIHVzYl9lcF9lcF9kZWxheV9z dGF0dXMgLSBzZXQgZGVsYXlfc3RhdHVzIGZsYWcKPiArICogQGVwOiB0aGUgZW5kcG9pbnQgd2hv c2UgZGVsYXlfc3RhdHVzIGZsYWcgaXMgYmVpbmcgc2V0Cj4gKyAqCj4gKyAqIFRoaXMgZnVuY3Rp b24gaW5zdHJ1Y3RzIHRoZSBVREMgdG8gZGVsYXkgdGhlIHN0YXR1cyBzdGFnZSBvZiBhIGNvbnRy b2wKPiArICogcmVxdWVzdC4gSXQgY2FuIG9ubHkgYmUgY2FsbGVkIGZyb20gdGhlIHJlcXVlc3Qg Y29tcGxldGlvbiBoYW5kbGVyIG9mIGEKPiArICogY29udHJvbCByZXF1ZXN0Lgo+ICsgKi8KPiAr dm9pZCB1c2JfZXBfZGVsYXlfc3RhdHVzKHN0cnVjdCB1c2JfZXAgKmVwKQo+ICt7Cj4gKwllcC0+ ZGVsYXllZF9zdGF0dXMgPSB0cnVlOwo+ICt9Cj4gK0VYUE9SVF9TWU1CT0xfR1BMKHVzYl9lcF9k ZWxheV9zdGF0dXMpOwoKSXMgdXNiX2VwX3NldF9kZWxheV9zdGF0dXMoKSBiZXR0ZXI/IEkgdGhv dWdodCBpdCBpbXBsaWVzIGdldC9yZXR1cm4KYWN0aW9uIGlmIGEgdmVyYiBpcyBtaXNzaW5nIGlu IHRoZSBmdW5jdGlvbiBuYW1lLgoKUmVnYXJkcywKLUJpbi4K