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: Should usb_gadget_disconnect() call driver's ->disconnect? From: Alan Stern Message-Id: Date: Thu, 9 Aug 2018 10:04:31 -0400 (EDT) To: Felipe Balbi Cc: USB list List-ID: T24gVGh1LCA5IEF1ZyAyMDE4LCBGZWxpcGUgQmFsYmkgd3JvdGU6Cgo+IAo+IEhpLAo+IAo+IEFs YW4gU3Rlcm4gPHN0ZXJuQHJvd2xhbmQuaGFydmFyZC5lZHU+IHdyaXRlczoKPiA+PiBBbGFuIFN0 ZXJuIDxzdGVybkByb3dsYW5kLmhhcnZhcmQuZWR1PiB3cml0ZXM6Cj4gPj4gPiBGZWxpcGU6Cj4g Pj4gPgo+ID4+ID4gVGhlIGRvY3VtZW50YXRpb24gZG9lc24ndCBzdGF0ZSB3aGV0aGVyIGEgZ2Fk Z2V0IGRyaXZlcidzIAo+ID4+ID4gLT5kaXNjb25uZWN0KCkgY2FsbGJhY2sgd2lsbCBiZSBpbnZv a2VkIHdoZW4gdXNiX2dhZGdldF9kaXNjb25uZWN0KCkgCj4gPj4gPiBydW5zLiAgUHJvYmFibHkg dGhlIFVEQyBkcml2ZXJzJyBiZWhhdmlvciBoYXMgY2hhbmdlZCBvdmVyIHRoZSB5ZWFycy4KPiA+ PiA+Cj4gPj4gPiBJbiBhbnkgY2FzZSwgaXQncyBsaWtlbHkgdGhhdCB2YXJpb3VzIFVEQyBkcml2 ZXJzIGRvIGJlaGF2ZQo+ID4+ID4gZGlmZmVyZW50bHkuICBNeSBjdXJyZW50IGZlZWxpbmcgaXMg dGhhdCAtPmRpc2Nvbm5lY3QoKSBzaG91bGQgYmUKPiA+PiA+IGludm9rZWQgb25seSB3aGVuIFZi dXMgdHVybnMgb2ZmLCBidXQgSSBjYW4ndCBndWFyYW50ZWUgdGhhdCBhbGwgVURDcyAKPiA+PiA+ IHdpbGwgZG8gdGhpcy4KPiA+PiAKPiA+PiBteSBmZWVsaW5nIGlzIHRoYXQgLT5kaXNjb25uZWN0 KCkgc2hvdWxkIGJlIGNhbGxlZCBldmVyeXRpbWUgd2UgY2F1c2UKPiA+PiB0aGUgc2Vzc2lvbiB0 byBiZSBraWxsZWQuIFZCVVMgVHVybmluZyBvZmYgaXMgYSBndWFyYXRlZSB0aGF0IHNlc3Npb24g aXMKPiA+PiBnb25lLCBidXQgc28gaXMgZGlzY29ubmVjdGluZyBkYXRhIHB1bGx1cCwgd2hpY2gg aXMgd2hhdAo+ID4+IHVzYl9nYWRnZXRfZGlzY29ubmVjdCgpIGRvZXMuCj4gPgo+ID4gT2theS4g IEkgZG9uJ3QgbWluZCBlaXRoZXIgd2F5LCBzbyBsb25nIGFzIGl0IGlzIHNldHRsZWQuCj4gPgo+ ID4+ID4gSG93IGRvIHlvdSBmZWVsIGFib3V0IGRvY3VtZW50aW5nIHRoaXMgYW1iaWd1aXR5IGFz IGluIHRoZSBwYXRjaCBiZWxvdz8KPiA+PiA+IElmIHlvdSB0aGluayB0aGlzIGlzIG9rYXksIEkn bGwgc3VibWl0IGl0IGZvcm1hbGx5Lgo+ID4+IAo+ID4+IFBlcmhhcHMgYSBiZXR0ZXIgYXBwcm9h Y2ggd291bGQgYmUgdG8gc3RhcnQgYXVkaXRpbmcgYWxsIFVEQ3MgdG8gbWFrZQo+ID4+IHN1cmUg dGhhdCAtPmRpc2Nvbm5lY3QoKSBpcyBjYWxsZWQgd2hlbiBwdWxsdXAgaXMgZGlzY29ubmVjdGVk LiBUaGVuIHdlCj4gPj4gY2FuIG1vdmUgLT5kaXNjb25uZWN0KCkgdG8gdXNiX2dhZGdldF9kaXNj b25uZWN0KCkgaXRzZWxmLiBObz8KPiA+Cj4gPiBSYXRoZXIgdGhlIG90aGVyIHdheSBhcm91bmQ6 IENhbGwgLT5kaXNjb25uZWN0KCkgZnJvbQo+ID4gdXNiX2dhZGdldF9kaXNjb25uZWN0KCkgaXRz ZWxmLCB0aGVuIGF1ZGl0IGFsbCB0aGUgVURDcyB0byBtYWtlIHN1cmUKPiA+IHRoZXkgZG9uJ3Qg aW52b2tlIHRoZSBjYWxsYmFja3VwLiAgVGhhdCdzIGJldHRlciB0aGFuIGFkZGluZyBhIGNhbGxi YWNrCj4gPiB0byB0aGUgVURDcyB0aGF0IGFyZSBtaXNzaW5nIGl0LCBvbmx5IHRoZW4gdG8gcmVt b3ZlIGl0IGZyb20gYWxsIG9mCj4gPiB0aGVtIGxhdGVyIG9uLgo+IAo+IEZhaXIgZW5vdWdoLiBE byB5b3Ugd2FudCB0byBoYW5kbGUgdGhpcyBvciB3b3VsZCB5b3UgcHJlZmVyIHRoYXQgSSBhZGQK PiB0byBteSBsaXN0PwoKSSdsbCBzZW5kIGluIGEgcGF0Y2ggbW9kaWZ5aW5nIHVzYl9nYWRnZXRf ZGlzY29ubmVjdCgpLCBhbmQgSSdsbCBjaGVjayAKdXAgb24gZHVtbXktaGNkIGFuZCBuZXQyMjgw LiAgVGhlIHJlc3QgSSBwcmVmZXIgdG8gbGVhdmUgZm9yIHlvdS4gIApPa2F5PwoKQWxhbiBTdGVy bgotLS0KVG8gdW5zdWJzY3JpYmUgZnJvbSB0aGlzIGxpc3Q6IHNlbmQgdGhlIGxpbmUgInVuc3Vi c2NyaWJlIGxpbnV4LXVzYiIgaW4KdGhlIGJvZHkgb2YgYSBtZXNzYWdlIHRvIG1ham9yZG9tb0B2 Z2VyLmtlcm5lbC5vcmcKTW9yZSBtYWpvcmRvbW8gaW5mbyBhdCAgaHR0cDovL3ZnZXIua2VybmVs Lm9yZy9tYWpvcmRvbW8taW5mby5odG1sCg==