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: Johan Hovold Message-Id: <20190123145547.GV3691@localhost> Date: Wed, 23 Jan 2019 15:55:47 +0100 To: Bin Liu Cc: Johan Hovold , Greg KH , =?iso-8859-1?Q?M=E5ns_Rullg=E5rd?= , linux-usb@vger.kernel.org List-ID: T24gV2VkLCBKYW4gMjMsIDIwMTkgYXQgMDg6MDk6NDdBTSAtMDYwMCwgQmluIExpdSB3cm90ZToK PiBPbiBXZWQsIEphbiAyMywgMjAxOSBhdCAwOTo1NTo0OUFNICswMTAwLCBKb2hhbiBIb3ZvbGQg d3JvdGU6Cj4gPiBPbiBXZWQsIEphbiAyMywgMjAxOSBhdCAwNzo1MjoxMkFNICswMTAwLCBHcmVn IEtyb2FoLUhhcnRtYW4gd3JvdGU6Cgo+ID4gPiBUaGF0J3Mgbm90IHdoYXQgYW55IG90aGVyIGhv c3QgY29udHJvbGxlciByZXR1cm5zIHdoZW4gYSBkZXZpY2UgaXMKPiA+ID4gcmVtb3ZlZCwgc28g ZWl0aGVyIHlvdSBhcmUgZ29pbmcgdG8gaGF2ZSB0byBmaXggYWxsIFVTQiBkcml2ZXMgZm9yIHRo aXMKPiA+ID4gaXNzdWUsIG9yIHlvdSBuZWVkIHRvIGZpeCB0aGUgbXVzYiBkcml2ZXIgdG8gbm90 IHNlbmQgdGhpcyBlcnJvciBmb3IKPiA+ID4gd2hlbiBhIGRldmljZSBpcyByZW1vdmVkIChoaW50 LCBkbyB0aGUgbGF0dGVyLi4uKQo+ID4gCj4gPiBSaWdodCwgdGhpcyBuZWVkcyB0byBiZSBoYW5k bGUgYXQgdGhlIEhDRCBsZXZlbC4KPiAKPiBBbnkgcmVhc29uIHVzYl9zZXJpYWxfZ2VuZXJpY19y ZWFkX2J1bGtfY2FsbGJhY2soKSBkb2Vzbid0IGhhbmRsZQo+IC1FUFJPVE8gaW4gdGhlIHNhbWUg d2F5IGFzIC1FUElQRT8KClNpbmNlIGl0IGlzIHN1cHBvc2VkIHRvIGJlIGludGVybWl0dGVudCB1 bmxpa2UsIGZvciBleGFtcGxlLCAtRU5PRU5UIG9yCi1FUElQRSAodGhlIGxhdHRlciB3aGljaCB0 aGUgZGV2aWNlIGRyaXZlciBjYW4gcmVjb3ZlciBmcm9tIGlmIGl0IGNhcmVzCnRvIGltcGxlbWVu dCBjbGVhcmluZyBvZiBoYWx0KS4KCj4gPiBkd2MyIGZpeGVkIGEgc2ltaWxhciBsb2NrdXAgaXNz dWUgZHVlIHRvIHJldHJpZWQgTkFLZWQgdHJhbnNhY3Rpb24gYnkKPiA+IG5vdCByZXRyeWluZyBp bW1lZGlhdGVseToKPiA+IAo+ID4gCTM4ZDJiNWZiNzVjMSAoInVzYjogZHdjMjogaG9zdDogRG9u J3QgcmV0cnkgTkFLZWQgdHJhbnNhY3Rpb25zIHJpZ2h0IGF3YXkiKQo+IAo+IEJvdGggY2FzZXMg YXJlIGFsbCBhYm91dCBkZXZpY2UgcmVtb3ZhbCwgYnV0IHRoaXMgbXVzYiBjYXNlIGlzIHNsaWdo dGx5Cj4gZGlmZmVyZW50IGZyb20gdGhpcyBkd2MyIGNhc2UuCj4gCj4gSXQgaXMgYWxsIGFib3V0 IHJlLXRyYW5zbWl0dGluZyB3aGljaCBjYXVzZXMgaW50ZXJydXB0IHN0b3JtLCBidXQgaW4KPiB0 aGlzIGR3YzIgY2FzZSwgaXQgaXMgdGhlIGR3YzIgZHJpdmVyIGRvaW5nIHRoZSByZS10cmFuc21p dHRpbmcsIHNvIGl0Cj4gbWFrZXMgc2Vuc2UgdG8gZGVsYXkgaXQgaW4gdGhlIGR3YzIgZHJpdmVy IGFzIHRoaXMgcmVmZXJyZWQgcGF0Y2ggZG9lcywKPgo+IGJ1dCBpbiB0aGlzIG11c2IgY2FzZSwg bXVzYiBkcml2ZXIgcmVwb3J0cyB0cmFuc2FjdGlvbiBlcnJvciB0byB0aGUgdXNiCj4gc2VyaWFs IGRyaXZlciwgdGhlIHVzYiBzZXJpYWwgZHJpdmVyIGlzc3VlcyB0aGUgcmUtdHJhbnNtaXR0aW5n IG5vdCB0aGUKPiBtdXNiIGRyaXZlciwgc28gSSBkb24ndCB0aGluayB0aGUgZGVsYXkgc2hvdWxk IGJlIGFkZGVkIGluIHRoZSBtdXNiCj4gZHJpdmVyLgoKSSBkaWRuJ3Qgc2F5IGl0IHdhcyBleGFj dGx5IHRoZSBzYW1lLgoKTXkgcG9pbnQgd2FzIHRoYXQgdW5sZXNzIHlvdSBmaXggdGhpcyBhdCB0 aGUgSENEIGxldmVsLCB5b3Ugd2lsbCBuZWVkIHRvCmFkZCBjb21wbGV4IHJlY292ZXJ5IGhhbmRs aW5nIHRvIGV2ZXJ5IFVTQiBkcml2ZXIgYW5kIGNvbXBsZXRpb24gaGFuZGxlcgoofjUwMCBvZiB0 aG9zZSkuIEJ1dCBwZXJoYXBzIHRoYXQgaXMgd2hhdCBpdCBuZWVkZWQuCgpJIGRvIHNlZSBub3cg dGhhdCBvZiBhbGwgVVNCIGRyaXZlcnMgd2UgaGF2ZSB0d28gZHJpdmVycyB0aGF0IGhhbmRsZXMK LUVQUk9UTyBieSByZXN1Ym1pdHRpbmcgYWZ0ZXIgYSBkZWxheSwgd2hpbGUgYSBoYW5kZnVsIGV4 cGxpY2l0bHkgZGVhbHMKd2l0aCAtRVBST1RPIGJ5IHNpbXBseSBzdG9wcGluZyB0byByZXN1Ym1p dCAoc29tZSBwcm9iYWJseSBiYWlsIG91dCBvbgphbGwgZXJyb3JzLCBidXQgdGhlIG1ham9yaXR5 IGFwcGVhciB0byByZXN1Ym1pdCBvbiAtRVBST1RPKS4KCkpvaGFuCg==