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: MUSB interrupt storm on device removal From: Bin Liu Message-Id: <20190122201630.GH30080@uda0271908> Date: Tue, 22 Jan 2019 14:16:30 -0600 To: =?iso-8859-1?Q?M=E5ns_Rullg=E5rd?= Cc: linux-usb@vger.kernel.org List-ID: T24gVHVlLCBKYW4gMjIsIDIwMTkgYXQgMDU6MTk6MzlQTSArMDAwMCwgTcOlbnMgUnVsbGfDpXJk IHdyb3RlOgo+IEJpbiBMaXUgPGItbGl1QHRpLmNvbT4gd3JpdGVzOgo+IAo+ID4gT24gTW9uLCBK YW4gMjEsIDIwMTkgYXQgMDk6MjA6NTJQTSArMDAwMCwgTcOlbnMgUnVsbGfDpXJkIHdyb3RlOgo+ ID4+IEJpbiBMaXUgPGItbGl1QHRpLmNvbT4gd3JpdGVzOgo+ID4+IAo+ID4+ID4gT24gRnJpLCBK YW4gMTgsIDIwMTkgYXQgMDg6MTU6MDJQTSArMDAwMCwgTcOlbnMgUnVsbGfDpXJkIHdyb3RlOgo+ ID4+ID4+IEJpbiBMaXUgPGItbGl1QHRpLmNvbT4gd3JpdGVzOgo+ID4+ID4+IAo+ID4+ID4+ID4g T24gTW9uLCBEZWMgMTcsIDIwMTggYXQgMDk6MzY6MTdQTSArMDAwMCwgTcOlbnMgUnVsbGfDpXJk IHdyb3RlOgo+ID4+ID4+ID4+IEJpbiBMaXUgPGItbGl1QHRpLmNvbT4gd3JpdGVzOgo+ID4+ID4+ ID4+IAo+ID4+ID4+ID4+ID4gT24gTW9uLCBEZWMgMTcsIDIwMTggYXQgMDc6MTY6MDhQTSArMDAw MCwgTcOlbnMgUnVsbGfDpXJkIHdyb3RlOgo+ID4+ID4+ID4+ID4+IEJpbiBMaXUgPGItbGl1QHRp LmNvbT4gd3JpdGVzOgo+ID4+ID4+ID4+ID4+IAo+ID4+ID4+ID4+ID4+ID4gSGksCj4gPj4gPj4g Pj4gPj4gPgo+ID4+ID4+ID4+ID4+ID4gT24gTW9uLCBEZWMgMTcsIDIwMTggYXQgMDM6MTM6MTJQ TSArMDAwMCwgTcOlbnMgUnVsbGfDpXJkIHdyb3RlOgo+ID4+ID4+ID4+ID4+ID4+IEkgaGF2ZSBh IHN0cmFuZ2UgcHJvYmxlbSB3aXRoIHRoZSBtdXNiIGRyaXZlciBpbiBob3N0IG1vZGUgb24gQU0z MzU4Cj4gPj4gPj4gPj4gPj4gPj4gKGJlYWdsZWJvbmUpIGhhcmR3YXJlLiAgSWYgSSBjb25uZWN0 IGEgbXVsdGktcG9ydCBzZXJpYWwgYWRhcHRlciBhbmQKPiA+PiA+Cj4gPj4gPiBJcyB0aGlzIG9u IGJlYWdsZWJvbmUgb3IgYmVhZ2xlYm9uZWJsYWNrPwo+ID4+IAo+ID4+IFdlJ3ZlIHNlZW4gaXQg d2l0aCBCZWFnbGVib25lIEVuaGFuY2VkIFsxXSBhbmQgQmVhZ2xlQ29yZSBbMl0gYmFzZWQKPiA+ PiBkZXZpY2VzLiAgQm90aCBhcmUgYmFzZWQgb24gdGhlIEFNMzM1OCBhbmQgbW9zdGx5IGNvbXBh dGlibGUgd2l0aCB0aGUKPiA+PiBCZWFnbGVib25lIEJsYWNrLgo+ID4+IAo+ID4+IFsxXSBodHRw czovL2VsaW51eC5vcmcvU2FuQ2xvdWRfQmVhZ2xlQm9uZUVuaGFuY2VkCj4gPj4gWzJdIGh0dHA6 Ly9iZWFnbGVjb3JlLmNvbS9wcm9kdWN0cy9iY20xc3RyLmh0bWwKPiA+Cj4gPiBPa2F5LCBub3cg SSBzZWUgeW91IGhhdmUgYSBodWIgb24gdGhlIGJvYXJkLiBJIGp1c3QgcmVwcm9kdWNlZCB0aGUK PiA+IGNvbnNvbGUgbG9ja3VwIGFmdGVyIGFkZGVkIGEgaHViIGluIG15IHNldHVwLiBJIHdpbGwg ZmluZCBzb21lIHRpbWUgdG8KPiA+IGRlYnVnIHRoaXMuCj4gPgo+ID4gRllJLCB0aGVyZSB3YXMg YSBzaW1pbGFyIGlzc3VlIGluIGEgZmV3IHllYXJzIGFnbywgd2hpY2ggd2FzIHRoYXQgdGhlCj4g PiBodWIgcm91dGluZSBuZXZlciBnb3QgY2FsbGVkIGR1cmluZyB0aGUgc3Rvcm0gdGhlbiB0aGUg ZGV2aWNlIGRpc2Nvbm5lY3QKPiA+IGV2ZW50IG5ldmVyIGdvdCBwb3B1bGF0ZWQgZnJvbSB0aGUg aHViIGRyaXZlci4gSSBhbSB3b25kZXJpbmcgaWYgdGhpcyBpcwo+ID4gdGhlIHNhbWUgaXNzdWUg cG9wcyB1cCBhZ2Fpbi4uLgo+IAo+IE5vdyB0aGF0IHlvdSBtZW50aW9uZWQgdGhlIGh1YiwgSSB0 cmllZCBjb25uZWN0aW5nIHRoZSBzZXJpYWwgYWRhcHRlciB0bwo+IHRoZSBPVEcgcG9ydCAoaW4g aG9zdCBtb2RlKSBvbiB0aGUgQmVhZ2xlYm9uZSBFbmhhbmNlZCAoaXQncyBub3QKPiBub3JtYWxs eSB1c2VkIGluIHRoaXMgcHJvZHVjdCkuICBXaGVuIGNvbm5lY3RlZCBkaXJlY3RseSwgdGhlIGRp c2Nvbm5lY3QKPiBpbmRlZWQgd29ya3MgcHJvcGVybHkuICBXaXRoIGEgaHViIGluIGJldHdlZW4s IGl0IGJyZWFrcy4KClBsZWFzZSB1c2UgdGhlIGZvbGxvd2luZyBoYWNrIGFzIGEgd29ya2Fyb3Vu ZCBmb3Igbm93LiBJIHdpbGwgdGhpbmsgbW9yZQphYm91dCBpdC4KClJlZ2FyZHMsCi1CaW4uCgot LS0tLS0tLTg8LS0tLS0tLS0tLQoKZGlmZiBnaXQgYS9kcml2ZXJzL3VzYi9tdXNiL211c2JfaG9z dC5jIGIvZHJpdmVycy91c2IvbXVzYi9tdXNiX2hvc3QuYwppbmRleCBiNTljZTlhZDE0Y2UuLjM3 MTlmNmQ5YjI2YyAxMDA2NDQKLS0tIGEvZHJpdmVycy91c2IvbXVzYi9tdXNiX2hvc3QuYworKysg Yi9kcml2ZXJzL3VzYi9tdXNiL211c2JfaG9zdC5jCkBAIC0xODExLDcgKzE4MTEsNyBAQCB2b2lk IG11c2JfaG9zdF9yeChzdHJ1Y3QgbXVzYiAqbXVzYiwgdTggZXBudW0pCiAgICAgICAgfSBlbHNl IGlmIChyeF9jc3IgJiBNVVNCX1JYQ1NSX0hfRVJST1IpIHsKICAgICAgICAgICAgICAgIG11c2Jf ZGJnKG11c2IsICJlbmQgJWQgUlggcHJvdG8gZXJyb3IiLCBlcG51bSk7CiAKLSAgICAgICAgICAg ICAgIHN0YXR1cyA9IC1FUFJPVE87CisgICAgICAgICAgICAgICBzdGF0dXMgPSAtRVBJUEU7CiAg ICAgICAgICAgICAgICBtdXNiX3dyaXRlYihlcGlvLCBNVVNCX1JYSU5URVJWQUwsIDApOwogCiAg ICAgICAgICAgICAgICByeF9jc3IgJj0gfk1VU0JfUlhDU1JfSF9FUlJPUjsK