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: Wed, 8 Aug 2018 10:14:04 -0400 (EDT) To: Felipe Balbi Cc: USB list List-ID: T24gV2VkLCA4IEF1ZyAyMDE4LCBGZWxpcGUgQmFsYmkgd3JvdGU6Cgo+IAo+IEhpLAo+IAo+IEFs YW4gU3Rlcm4gPHN0ZXJuQHJvd2xhbmQuaGFydmFyZC5lZHU+IHdyaXRlczoKPiA+IEZlbGlwZToK PiA+Cj4gPiBUaGUgZG9jdW1lbnRhdGlvbiBkb2Vzbid0IHN0YXRlIHdoZXRoZXIgYSBnYWRnZXQg ZHJpdmVyJ3MgCj4gPiAtPmRpc2Nvbm5lY3QoKSBjYWxsYmFjayB3aWxsIGJlIGludm9rZWQgd2hl biB1c2JfZ2FkZ2V0X2Rpc2Nvbm5lY3QoKSAKPiA+IHJ1bnMuICBQcm9iYWJseSB0aGUgVURDIGRy aXZlcnMnIGJlaGF2aW9yIGhhcyBjaGFuZ2VkIG92ZXIgdGhlIHllYXJzLgo+ID4KPiA+IEluIGFu eSBjYXNlLCBpdCdzIGxpa2VseSB0aGF0IHZhcmlvdXMgVURDIGRyaXZlcnMgZG8gYmVoYXZlCj4g PiBkaWZmZXJlbnRseS4gIE15IGN1cnJlbnQgZmVlbGluZyBpcyB0aGF0IC0+ZGlzY29ubmVjdCgp IHNob3VsZCBiZQo+ID4gaW52b2tlZCBvbmx5IHdoZW4gVmJ1cyB0dXJucyBvZmYsIGJ1dCBJIGNh bid0IGd1YXJhbnRlZSB0aGF0IGFsbCBVRENzIAo+ID4gd2lsbCBkbyB0aGlzLgo+IAo+IG15IGZl ZWxpbmcgaXMgdGhhdCAtPmRpc2Nvbm5lY3QoKSBzaG91bGQgYmUgY2FsbGVkIGV2ZXJ5dGltZSB3 ZSBjYXVzZQo+IHRoZSBzZXNzaW9uIHRvIGJlIGtpbGxlZC4gVkJVUyBUdXJuaW5nIG9mZiBpcyBh IGd1YXJhdGVlIHRoYXQgc2Vzc2lvbiBpcwo+IGdvbmUsIGJ1dCBzbyBpcyBkaXNjb25uZWN0aW5n IGRhdGEgcHVsbHVwLCB3aGljaCBpcyB3aGF0Cj4gdXNiX2dhZGdldF9kaXNjb25uZWN0KCkgZG9l cy4KCk9rYXkuICBJIGRvbid0IG1pbmQgZWl0aGVyIHdheSwgc28gbG9uZyBhcyBpdCBpcyBzZXR0 bGVkLgoKPiA+IEhvdyBkbyB5b3UgZmVlbCBhYm91dCBkb2N1bWVudGluZyB0aGlzIGFtYmlndWl0 eSBhcyBpbiB0aGUgcGF0Y2ggYmVsb3c/Cj4gPiBJZiB5b3UgdGhpbmsgdGhpcyBpcyBva2F5LCBJ J2xsIHN1Ym1pdCBpdCBmb3JtYWxseS4KPiAKPiBQZXJoYXBzIGEgYmV0dGVyIGFwcHJvYWNoIHdv dWxkIGJlIHRvIHN0YXJ0IGF1ZGl0aW5nIGFsbCBVRENzIHRvIG1ha2UKPiBzdXJlIHRoYXQgLT5k aXNjb25uZWN0KCkgaXMgY2FsbGVkIHdoZW4gcHVsbHVwIGlzIGRpc2Nvbm5lY3RlZC4gVGhlbiB3 ZQo+IGNhbiBtb3ZlIC0+ZGlzY29ubmVjdCgpIHRvIHVzYl9nYWRnZXRfZGlzY29ubmVjdCgpIGl0 c2VsZi4gTm8/CgpSYXRoZXIgdGhlIG90aGVyIHdheSBhcm91bmQ6IENhbGwgLT5kaXNjb25uZWN0 KCkgZnJvbQp1c2JfZ2FkZ2V0X2Rpc2Nvbm5lY3QoKSBpdHNlbGYsIHRoZW4gYXVkaXQgYWxsIHRo ZSBVRENzIHRvIG1ha2Ugc3VyZQp0aGV5IGRvbid0IGludm9rZSB0aGUgY2FsbGJhY2t1cC4gIFRo YXQncyBiZXR0ZXIgdGhhbiBhZGRpbmcgYSBjYWxsYmFjawp0byB0aGUgVURDcyB0aGF0IGFyZSBt aXNzaW5nIGl0LCBvbmx5IHRoZW4gdG8gcmVtb3ZlIGl0IGZyb20gYWxsIG9mCnRoZW0gbGF0ZXIg b24uCgpBbGFuIFN0ZXJuCi0tLQpUbyB1bnN1YnNjcmliZSBmcm9tIHRoaXMgbGlzdDogc2VuZCB0 aGUgbGluZSAidW5zdWJzY3JpYmUgbGludXgtdXNiIiBpbgp0aGUgYm9keSBvZiBhIG1lc3NhZ2Ug dG8gbWFqb3Jkb21vQHZnZXIua2VybmVsLm9yZwpNb3JlIG1ham9yZG9tbyBpbmZvIGF0ICBodHRw Oi8vdmdlci5rZXJuZWwub3JnL21ham9yZG9tby1pbmZvLmh0bWwK