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: <20190125154315.GH18982@uda0271908> Date: Fri, 25 Jan 2019 09:43:15 -0600 To: =?iso-8859-1?Q?M=E5ns_Rullg=E5rd?= Cc: Johan Hovold , Alan Stern , Greg KH , linux-usb@vger.kernel.org List-ID: T24gVGh1LCBKYW4gMjQsIDIwMTkgYXQgMDQ6MzE6MTlQTSArMDAwMCwgTcOlbnMgUnVsbGfDpXJk IHdyb3RlOgo+IEJpbiBMaXUgPGItbGl1QHRpLmNvbT4gd3JpdGVzOgo+IAo+ID4gT24gVGh1LCBK YW4gMjQsIDIwMTkgYXQgMTI6NTY6MzNQTSArMDAwMCwgTcOlbnMgUnVsbGfDpXJkIHdyb3RlOgo+ ID4+IEpvaGFuIEhvdm9sZCA8am9oYW5Aa2VybmVsLm9yZz4gd3JpdGVzOgo+ID4+IAo+ID4+ID4g T24gV2VkLCBKYW4gMjMsIDIwMTkgYXQgMDg6NTA6MzhQTSArMDAwMCwgTcOlbnMgUnVsbGfDpXJk IHdyb3RlOgo+ID4+ID4+IEJpbiBMaXUgPGItbGl1QHRpLmNvbT4gd3JpdGVzOgo+ID4+ID4+IAo+ ID4+ID4+ID4+ID4gPiBXaHkgZG9lc24ndCB0aGUgc2FtZSBwcm9ibGVtIG9jY3VyIHdpdGggb3Ro ZXIgdHlwZXMgb2YgaG9zdCBjb250cm9sbGVyPwo+ID4+ID4+ID4+ID4gCj4gPj4gPj4gPj4gPiBO b3Qgc3VyZSwgSSBhbSBvbiBtdXNiIGZvciBtb3N0IG9mIHRoZSB0aW1lcy4gTWF5YmUgb3RoZXIg SENEIGRvZXNuJ3QKPiA+PiA+PiA+PiA+IGdpdmViYWNrIFVSQnMgd2l0aCAtRVBST1RPIGluIHN1 Y2ggZXJyb3IgY2FzZS4KPiA+PiA+PiA+PiAKPiA+PiA+PiA+PiBlaGNpLWhjZCBhbHNvIHVzZXMg LUVQUk9UTy4KPiA+PiA+PiA+Cj4gPj4gPj4gPiBJcyBpdCBwb3NzaWJsZSB0byB0ZXN0IHRoZSB1 c2UgY2FzZSBvbiBlaGNpPwo+ID4+ID4+ID4KPiA+PiA+PiA+IC0gY29ubmVjdCBhIG11bHRpLXBv cnRzIHVzYiBzZXJpYWwgZGV2aWNlIHRvIGEgaHViOwo+ID4+ID4+ID4gLSBvcGVuIG11bHRpcGxl IHBvcnRzIHdpdGggY2F0IGNvbW1hbmQ7Cj4gPj4gPj4gPiAtIHJlbW92ZSB0aGUgdXNiIHNlcmlh bCBkZXZpY2UgZnJvbSB0aGUgaHViOwo+ID4+ID4+ID4gLSBjb25zb2xlIGxvY2t1cCBoYXBwZW5z Pwo+ID4+ID4+IAo+ID4+ID4+IEl0IGRvZXNuJ3Qgc2VlbSB0byBoYXBwZW4gdXNpbmcgZWhjaSBv ciBldmVuIG11c2Igb24gQWxsd2lubmVyIEEyMC4KPiA+PiA+PiBJIGhhdmUgb25seSBzZWVuIHRo ZSBwcm9ibGVtIHdpdGggbXVzYiBvbiBBTTMzNTguCj4gPj4gPgo+ID4+ID4gVGhlIEEyMCBiZWlu ZyBkdWFsIGNvcmUgbWF5IHBvc3NpYmxlIGV4cGxhaW4gdGhlIGRpZmZlcmVuY2UuCj4gPj4gCj4g Pj4gQm9vdGluZyB0aGUgQTIwIHdpdGggbm9zbXAgaXQgc3RpbGwgd29ya3MgY29ycmVjdGx5Lgo+ ID4KPiA+IENhbiB5b3UgcGxlYXNlIGRlYnVnIGl0IHRvIHNlZSBob3cgdGhlIGh1YiBkaXNjb25u ZWN0IGV2ZW50IGdvdCBhIGNoYW5jZQo+ID4gdG8gYmUgcHJvY2Vzc2VkPwo+IAo+IENvdWxkIHlv dSBiZSBhIGxpdHRsZSBtb3JlIHNwZWNpZmljPyAgSSdtIGhhcHB5IHRvIHJ1biBzb21lIHRlc3Rz LCBidXQgSQo+IG5lZWQgdG8ga25vdyB3aGF0IGluZm9ybWF0aW9uIHlvdSdyZSBsb29raW5nIGZv ci4KCk5ldmVyIG1pbmQuCgpXZSBoYXZlIGFscmVhZHkgdW5kZXJzdG9vZCB0aGUgcm9vdCBjYXVz ZSBvbiBCZWFnbGJvbmUgLSBpbiBkZXZpY2UKZGlzY29ubmVjdCBtdXNiIGdlbmVyYXRlcyBpbnRl cnJ1cHQgc3Rvcm0gd2hpY2ggcHJldmVudHMgdGhlIGh1YgpkaXNjb25uZWN0IGV2ZW50IGJlaW5n IHByb2Nlc3NlZC4KClRoZSBpc3N1ZSBkb2Vzbid0IHNob3cgdXAgb24gQTIwLCBlaXRoZXIgYmVj YXVzZSBtdXNiIG9uIEEyMCBkb2Vzbid0CmdlbmVyYXRlcyB0aGUgaW50ZXJydXB0cyBmYXN0IGVu b3VnaCwgb3IgJ25vc21wJyBwYXJhbWV0ZXIgZG9lc24ndCBtYWtlCmtlcm5lbCBydW5uaW5nIGlu IG5vbi1TTVAgbW9kZS4gSW4gZWl0aGVyIHdheSB0aGUgaXNzdWUgb24gQmVhZ2xlYm9uZSBoYXMK dG8gYmUgZml4ZWQuCgplcnJvci1jb2RlLnR4dCBzYXlzCgotRVNIVVRET1dOICAgICAgICAgICAg ICBUaGUgZGV2aWNlIG9yIGhvc3QgY29udHJvbGxlciBoYXMgYmVlbiBkaXNhYmxlZCBkdWUKICAg ICAgICAgICAgICAgICAgICAgICAgdG8gc29tZSBwcm9ibGVtIHRoYXQgY291bGQgbm90IGJlIHdv cmtlZCBhcm91bmQsCgkJCXN1Y2ggYXMgYSBwaHlzaWNhbCBkaXNjb25uZWN0LgoKU28gaW5zdGVh ZCAtRVBJUEUgYXMgaW4gdGhlIHNvbHV0aW9uIEkgcHJvcG9zZWQgcHJldmlvdXNseSwgSSBhbSBn b2luZwp0byB1c2UgLUVTSFVURE9XTiB3aGVuIC1FUFJPVE8gaGFwcGVucyBjb25zZXF1ZW50aWFs bHkgbXVsdGlwbGUgdGltZXMuCgpSZWdhcmRzLAotQmluLgo=