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: [v5,1/2] usb/gadget: Add an EP dispose() callback for EP lifetime tracking From: Benjamin Herrenschmidt Message-Id: <1521495669.16434.229.camel@kernel.crashing.org> Date: Tue, 20 Mar 2018 08:41:09 +1100 To: Felipe Balbi , linux-usb@vger.kernel.org Cc: Greg KH , Joel Stanley , Andrew Jeffery List-ID: T24gTW9uLCAyMDE4LTAzLTE5IGF0IDEyOjU2ICswMjAwLCBGZWxpcGUgQmFsYmkgd3JvdGU6Cj4g Pj4gZG8geW91IHJlYWxseSBuZWVkIHRoaXMgdG8gYmUgc2FmZT8gWW91IGRvbid0IHNlZW0gdG8g YmUgbW9kaWZ5aW5nCj4gPj4gZXBfbGlzdCBoZXJlLgo+ID4KPiA+IFllcywgZXAtPmRpc3Bvc2Uo KSBtYXkgZG8ganVzdCB0aGF0LiBJbiBteSBBc3BlZWQgaW1wbGVtZW50YXRpb24gaW4KPiA+IGZh Y3QgdGhhdCdzIHByZXR0eSBtdWNoIHRoZSBmaXJzdCB0aGluZyBpdCBkb2VzLgo+ID4KPiA+IElF LCBJJ20gcmV0dXJuaW5nIGFsbCB0aGUgZW5kcG9pbnRzIHRvIHRoZSBjb21tb24gcG9vbCwgdGh1 cyB0YWtpbmcKPiA+IHRoZW0gb3V0IG9mIHRoZSBnYWRnZXQgRVAgbGlzdC4KPiA+Cj4gPiBUaGF0 IHNhaWQsIHRoZXJlIGNvdWxkIGJlIG90aGVyIHJlYXNvbnMgd2h5IGEgZHJpdmVyIG1pZ2h0IHdh bnQgdG8ga25vdwo+ID4gYWJvdXQgZGlzcG9zYWwgd2l0aG91dCBhY3R1YWxseSB0YWtpbmcgYWxs IHRoZSBFUHMgYmFjayAoZm9yIGV4YW1wbGUgYQo+ID4gZHJpdmVyIGNvdWxkIGhhdmUgc29tZSBk ZWRpY2F0ZWQgRVBzIGFuZCBzb21lIGluIGEgcG9vbCkgc28gSSBwcmVmZXIKPiA+IHRoZSBsaXN0 X2RlbCByZW1haW5pbmcgaW4gdGhlIGJhY2stZW5kLgo+IAo+IFRoYXQgc2VlbXMgcmF0aGVyIG9i ZnVzY2F0ZWQuIFRoZXJlJ3Mgbm8gaW5kaWNhdGlvbiB0aGF0IGVwX2xpc3QgaXMKPiBtb2RpZmll ZCBmcm9tIHdpdGhpbiB0aGF0IGl0ZXJhdGlvbiBibG9jay4gU2VlbXMgbGlrZSBpdCB3b3VsZCBi ZSBiZXN0Cj4gdG8gbWFrZSB0aGUgbGlzdF9kZWwoKSBleHBsaWNpdCBhbmQgLT5kaXNwb3NlKCkg anVzdCBhZGRzIHRoZSBlcCB0byBpdHMKPiBvd24gaW50ZXJuYWwgbGlzdC4gTm8/CgpUaGUgcHJv YmxlbSB3aXRoIHRoaXMgYXBwcm9hY2ggaXMgdGhhdCBvdGhlciBleGlzdGluZyBVREMgZHJpdmVy cyB3aG8KZG9uJ3QgZG8gZHluYW1pYyBFUCBtYW5hZ2VtZW50IG1pZ2h0IGJyZWFrIHNpbmNlIHRo ZXkgYXNzdW1lIHRoZSBFUHMKcmVtYWluIGluIHRoZSBFUCBsaXN0IGZvciBldmVyLgoKU28gd2Ug d291bGQgaGF2ZSB0byBtYWtlIHRoZSBsaXN0X2RlbCBjb25kaXRpb25hbCB0byB0aGUgcHJlc2Vu Y2Ugb2YKdGhlIC0+ZGlzcG9zZSBjYWxsYmFjaywgb3IgYWRkIGEgZmxhZyBvciBzb21ldGhpbmcg bGlrZSB0aGF0LCB3aGljaCBJCmRvbid0IGZpbmQgcGFydGljdWxhcmlseSBlbGVnYW50IGVpdGhl ci4KCkFsc28gaXQncyB0aGUgYmFja2VuZCB0aGF0IGFkZHMgdG8gdGhlIEVQIGxpc3QsIGl0IHNo b3VsZCBiZSB0aGUKYmFja2VuZCB0aGF0IHJlbW92ZXMgZnJvbSBpdCB0by4gSSBkb24ndCBsaWtl IHdoZW4geW91IGVuZCB1cCBpbiBhCnNpdHVhdGlvbiB3aGVyZSBhIGRpZmZlcmVudCAibGF5ZXIi IGRvZXMgaGFsZiBvZiB0aGUgd29yay4gSXQgZ2V0cyBtb3JlCmNvbmZ1c2luZyBhbmQgYnVnIHBy b25lLiBUaGUgZXBfbGlzdCBtYW5hZ2VtZW50IGlzIHVuZGVyIG93bmVyc2hpcCBvZgp0aGUgVURD IGFuZCB0aHVzIHNob3VsZCBwcm9iYWJseSByZW1haW4gdGhhdCB3YXkgaW1oby4KCkkgdGhpbmsg aXQgbWFrZXMgc2Vuc2UgZnJvbSBhIGhpZ2ggbGV2ZWwgcGVyc3BlY3RpdmUgdG8gc2F5IHRoYXQg dGhlClVEQyBiYWNrZW5kIGNhbiBvcHRpb25hbGx5IHN1cHBvcnQgZGlzcG9zaW5nIG9mIEVQcy4g SSB0aGluayBhbGwgdGhhdCdzCm5lZWRlZCBoZXJlIGlzIG1heWJlIGFkZGluZyBhIGNvbW1lbnQg dG8gbXkgcGF0Y2gsIHNvbWV0aGluZyBhbG9uZwp0aG9zZSBsaW5lczoKCgkvKgoJICogU29tZSBV REMgYmFja2VuZHMgaGF2ZSBhIGR5bmFtaWMgRVAgYWxsb2NhdGlvbiBzY2hlbWUuCgkgKgoJICog SW4gdGhhdCBjYXNlLCB0aGUgZGlzcG9zZSgpIGNhbGxiYWNrIGlzIHVzZWQgdG8gbm90aWZ5IHRo ZQoJICogYmFja2VuZCB0aGF0IHRoZSBFUHMgYXJlIG5vIGxvbmdlciBpbiB1c2UuCgkgKgoJICog Tm90ZTogVGhlIFVEQyBiYWNrZW5kIGNhbiByZW1vdmUgdGhlIEVQIGZyb20gdGhlIGVwX2xpc3Qg YXMKCSAqICAgICAgIGEgcmVzdWx0LCBzbyB3ZSBuZWVkIHRvIHVzZSB0aGUgX3NhZmUgbGlzdCBp dGVyYXRvci4KCSAqLwoJbGlzdF9mb3JfZWFjaF9lbnRyeV9zYWZlKGVwLCB0bXBfZXAsCiAgICAg ICAgICAgICAgICAgICAgICAgICAgICZjZGV2LT5nYWRnZXQtPmVwX2xpc3QsIGVwX2xpc3QpIHsK CQkuLi4KCldvdWxkIHRoYXQgd29yayBmb3IgeW91ID8KCkNoZWVycywKQmVuLgotLS0KVG8gdW5z dWJzY3JpYmUgZnJvbSB0aGlzIGxpc3Q6IHNlbmQgdGhlIGxpbmUgInVuc3Vic2NyaWJlIGxpbnV4 LXVzYiIgaW4KdGhlIGJvZHkgb2YgYSBtZXNzYWdlIHRvIG1ham9yZG9tb0B2Z2VyLmtlcm5lbC5v cmcKTW9yZSBtYWpvcmRvbW8gaW5mbyBhdCAgaHR0cDovL3ZnZXIua2VybmVsLm9yZy9tYWpvcmRv bW8taW5mby5odG1sCg==