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: [4.14,36/67] usb: dwc2: Improve gadget state disconnection handling From: Greg Kroah-Hartman Message-Id: <20180406084346.173607297@linuxfoundation.org> Date: Fri, 6 Apr 2018 15:24:06 +0200 To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Wei Xu , Guodong Xu , Amit Pundir , YongQin Liu , John Youn , Minas Harutyunyan , Douglas Anderson , Chen Yu , Felipe Balbi , linux-usb@vger.kernel.org, Minas Harutyunyan , John Stultz , Ben Hutchings List-ID: NC4xNC1zdGFibGUgcmV2aWV3IHBhdGNoLiAgSWYgYW55b25lIGhhcyBhbnkgb2JqZWN0aW9ucywg cGxlYXNlIGxldCBtZSBrbm93LgoKLS0tLS0tLS0tLS0tLS0tLS0tCgpGcm9tOiBKb2huIFN0dWx0 eiA8am9obi5zdHVsdHpAbGluYXJvLm9yZz4KCmNvbW1pdCBkMjQ3MWQ0YTI0ZGZiZmY1ZTQ2M2Qz ODJlMmM2ZmVjN2Q3ZTI1YTA5IHVwc3RyZWFtLgoKSW4gdGhlIGVhcmxpZXIgY29tbWl0IGRhZDNm NzkzZjIwZiAoInVzYjogZHdjMjogTWFrZSBzdXJlIHdlCmRpc2Nvbm5lY3QgdGhlIGdhZGdldCBz dGF0ZSIpLCBJIHdhcyB0cnlpbmcgdG8gZml4IHVwIHRoZQpmYWN0IHRoYXQgd2Ugc29tZWhvdyB3 ZXJlbid0IGRpc2Nvbm5lY3RpbmcgdGhlIGdhZGdldCBzdGF0ZSwKc28gdGhhdCB3aGVuIHRoZSBP VEcgcG9ydCB3YXMgcGx1Z2dlZCBpbiB0aGUgc2Vjb25kIHRpbWUgd2UKd291bGQgZ2V0IHdhcm5p bmdzIGFib3V0IHRoZSBzdGF0ZSB0cmFja2luZyBiZWluZyB3cm9uZy4KCihUaGlzIHNlZW1zIHRv IGJlIGR1ZSB0byBhIHF1aXJrIG9mIHRoZSBIaUtleSBib2FyZCB3aGVyZQp3ZSBkbyBub3QgZXZl ciBnZXQgYW55IG90ZyBpbnRlcnJ1cHRzLCBwYXJ0aWN1bGFybHkgdGhlIHNlc3Npb24KZW5kIGRl dGVjdGVkIHNpZ25hbC4gSW5zdGVhZCB3ZSBvbmx5IHNlZSBzdGF0dXMgY2hhbmdlCmludGVycnVw dC4pCgpUaGUgZml4IHRoZXJlIHdhcyBzb21ld2hhdCBzaW1wbGUsIGFzIGl0IGp1c3QgbWFkZSBz dXJlIHRvCmNhbGwgZHdjMl9oc290Z19kaXNjb25uZWN0KCkgYmVmb3JlIHdlIGNvbm5lY3RlZCB0 aGluZ3MgdXAKaW4gT1RHIG1vZGUsIGVuc3VyaW5nIHRoZSBzdGF0ZSBoYW5kbGluZyBkaWRuJ3Qg dGhyb3cgZXJyb3JzLgoKQnV0IGluIGxvb2tpbmcgYXQgYSBkaWZmZXJlbnQgaXNzdWUgSSB3YXMg c2VlaW5nIHdpdGggVURDCnN0YXRlIGhhbmRsaW5nLCBJIHJlYWxpemVkIHRoYXQgaXQgd291bGQg YmUgbXVjaCBiZXR0ZXIKdG8gY2FsbCBkd2MyX2hzb3RnX2Rpc2Nvbm5lY3Qgd2hlbiB3ZSBnZXQg dGhlIHN0YXRlIGNoYW5nZQpzaWduYWwgbW92aW5nIHRvIGhvc3QgbW9kZS4KClRodXMsIHRoaXMg cGF0Y2ggcmVtb3ZlcyB0aGUgZWFybGllciBkaXNjb25uZWN0IGNhbGwgSSBhZGRlZAphbmQgbW92 ZXMgaXQgKGFuZCB0aGUgbmVlZGVkIGxvY2tpbmcpIHRvIHRoZSBob3N0IG1vZGUKdHJhbnNpdGlv bi4KCkNjOiBXZWkgWHUgPHh1d2VpNUBoaXNpbGljb24uY29tPgpDYzogR3VvZG9uZyBYdSA8Z3Vv ZG9uZy54dUBsaW5hcm8ub3JnPgpDYzogQW1pdCBQdW5kaXIgPGFtaXQucHVuZGlyQGxpbmFyby5v cmc+CkNjOiBZb25nUWluIExpdSA8eW9uZ3Fpbi5saXVAbGluYXJvLm9yZz4KQ2M6IEpvaG4gWW91 biA8am9obnlvdW5Ac3lub3BzeXMuY29tPgpDYzogTWluYXMgSGFydXR5dW55YW4gPE1pbmFzLkhh cnV0eXVueWFuQHN5bm9wc3lzLmNvbT4KQ2M6IERvdWdsYXMgQW5kZXJzb24gPGRpYW5kZXJzQGNo cm9taXVtLm9yZz4KQ2M6IENoZW4gWXUgPGNoZW55dTU2QGh1YXdlaS5jb20+CkNjOiBGZWxpcGUg QmFsYmkgPGZlbGlwZS5iYWxiaUBsaW51eC5pbnRlbC5jb20+CkNjOiBHcmVnIEtyb2FoLUhhcnRt YW4gPGdyZWdraEBsaW51eGZvdW5kYXRpb24ub3JnPgpDYzogbGludXgtdXNiQHZnZXIua2VybmVs Lm9yZwpBY2tlZC1ieTogTWluYXMgSGFydXR5dW55YW4gPGhtaW5hc0BzeW5vcHN5cy5jb20+ClRl c3RlZC1ieTogTWluYXMgSGFydXR5dW55YW4gPGhtaW5hc0BzeW5vcHN5cy5jb20+ClNpZ25lZC1v ZmYtYnk6IEpvaG4gU3R1bHR6IDxqb2huLnN0dWx0ekBsaW5hcm8ub3JnPgpTaWduZWQtb2ZmLWJ5 OiBGZWxpcGUgQmFsYmkgPGZlbGlwZS5iYWxiaUBsaW51eC5pbnRlbC5jb20+CkNjOiBCZW4gSHV0 Y2hpbmdzIDxiZW4uaHV0Y2hpbmdzQGNvZGV0aGluay5jby51az4KU2lnbmVkLW9mZi1ieTogR3Jl ZyBLcm9haC1IYXJ0bWFuIDxncmVna2hAbGludXhmb3VuZGF0aW9uLm9yZz4KLS0tCiBkcml2ZXJz L3VzYi9kd2MyL2hjZC5jIHwgICAgNyArKysrKy0tCiAxIGZpbGUgY2hhbmdlZCwgNSBpbnNlcnRp b25zKCspLCAyIGRlbGV0aW9ucygtKQoKCgotLQpUbyB1bnN1YnNjcmliZSBmcm9tIHRoaXMgbGlz dDogc2VuZCB0aGUgbGluZSAidW5zdWJzY3JpYmUgbGludXgtdXNiIiBpbgp0aGUgYm9keSBvZiBh IG1lc3NhZ2UgdG8gbWFqb3Jkb21vQHZnZXIua2VybmVsLm9yZwpNb3JlIG1ham9yZG9tbyBpbmZv IGF0ICBodHRwOi8vdmdlci5rZXJuZWwub3JnL21ham9yZG9tby1pbmZvLmh0bWwKCi0tLSBhL2Ry aXZlcnMvdXNiL2R3YzIvaGNkLmMKKysrIGIvZHJpdmVycy91c2IvZHdjMi9oY2QuYwpAQCAtMzI3 Nyw3ICszMjc3LDYgQEAgc3RhdGljIHZvaWQgZHdjMl9jb25uX2lkX3N0YXR1c19jaGFuZ2Uocwog CQlkd2MyX2NvcmVfaW5pdChoc290ZywgZmFsc2UpOwogCQlkd2MyX2VuYWJsZV9nbG9iYWxfaW50 ZXJydXB0cyhoc290Zyk7CiAJCXNwaW5fbG9ja19pcnFzYXZlKCZoc290Zy0+bG9jaywgZmxhZ3Mp OwotCQlkd2MyX2hzb3RnX2Rpc2Nvbm5lY3QoaHNvdGcpOwogCQlkd2MyX2hzb3RnX2NvcmVfaW5p dF9kaXNjb25uZWN0ZWQoaHNvdGcsIGZhbHNlKTsKIAkJc3Bpbl91bmxvY2tfaXJxcmVzdG9yZSgm aHNvdGctPmxvY2ssIGZsYWdzKTsKIAkJZHdjMl9oc290Z19jb3JlX2Nvbm5lY3QoaHNvdGcpOwpA QCAtMzI5Niw4ICszMjk1LDEyIEBAIGhvc3Q6CiAJCWlmIChjb3VudCA+IDI1MCkKIAkJCWRldl9l cnIoaHNvdGctPmRldiwKIAkJCQkiQ29ubmVjdGlvbiBpZCBzdGF0dXMgY2hhbmdlIHRpbWVkIG91 dFxuIik7Ci0JCWhzb3RnLT5vcF9zdGF0ZSA9IE9UR19TVEFURV9BX0hPU1Q7CiAKKwkJc3Bpbl9s b2NrX2lycXNhdmUoJmhzb3RnLT5sb2NrLCBmbGFncyk7CisJCWR3YzJfaHNvdGdfZGlzY29ubmVj dChoc290Zyk7CisJCXNwaW5fdW5sb2NrX2lycXJlc3RvcmUoJmhzb3RnLT5sb2NrLCBmbGFncyk7 CisKKwkJaHNvdGctPm9wX3N0YXRlID0gT1RHX1NUQVRFX0FfSE9TVDsKIAkJLyogSW5pdGlhbGl6 ZSB0aGUgQ29yZSBmb3IgSG9zdCBtb2RlICovCiAJCWR3YzJfY29yZV9pbml0KGhzb3RnLCBmYWxz ZSk7CiAJCWR3YzJfZW5hYmxlX2dsb2JhbF9pbnRlcnJ1cHRzKGhzb3RnKTsK