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: =?utf-8?b?TcOlbnMgUnVsbGfDpXJk?= Message-Id: Date: Tue, 05 Mar 2019 11:30:28 +0000 To: Bin Liu Cc: Johan Hovold , Greg KH , linux-usb@vger.kernel.org List-ID: QmluIExpdSA8Yi1saXVAdGkuY29tPiB3cml0ZXM6Cgo+IE9uIFdlZCwgSmFuIDIzLCAyMDE5IGF0 IDAzOjU1OjQ3UE0gKzAxMDAsIEpvaGFuIEhvdm9sZCB3cm90ZToKPj4gT24gV2VkLCBKYW4gMjMs IDIwMTkgYXQgMDg6MDk6NDdBTSAtMDYwMCwgQmluIExpdSB3cm90ZToKPj4gPiBPbiBXZWQsIEph biAyMywgMjAxOSBhdCAwOTo1NTo0OUFNICswMTAwLCBKb2hhbiBIb3ZvbGQgd3JvdGU6Cj4+ID4g PiBPbiBXZWQsIEphbiAyMywgMjAxOSBhdCAwNzo1MjoxMkFNICswMTAwLCBHcmVnIEtyb2FoLUhh cnRtYW4gd3JvdGU6Cj4+IAo+PiA+ID4gPiBUaGF0J3Mgbm90IHdoYXQgYW55IG90aGVyIGhvc3Qg Y29udHJvbGxlciByZXR1cm5zIHdoZW4gYSBkZXZpY2UgaXMKPj4gPiA+ID4gcmVtb3ZlZCwgc28g ZWl0aGVyIHlvdSBhcmUgZ29pbmcgdG8gaGF2ZSB0byBmaXggYWxsIFVTQiBkcml2ZXMgZm9yIHRo aXMKPj4gPiA+ID4gaXNzdWUsIG9yIHlvdSBuZWVkIHRvIGZpeCB0aGUgbXVzYiBkcml2ZXIgdG8g bm90IHNlbmQgdGhpcyBlcnJvciBmb3IKPj4gPiA+ID4gd2hlbiBhIGRldmljZSBpcyByZW1vdmVk IChoaW50LCBkbyB0aGUgbGF0dGVyLi4uKQo+PiA+ID4gCj4+ID4gPiBSaWdodCwgdGhpcyBuZWVk cyB0byBiZSBoYW5kbGUgYXQgdGhlIEhDRCBsZXZlbC4KPj4gPiAKPj4gPiBBbnkgcmVhc29uIHVz Yl9zZXJpYWxfZ2VuZXJpY19yZWFkX2J1bGtfY2FsbGJhY2soKSBkb2Vzbid0IGhhbmRsZQo+PiA+ IC1FUFJPVE8gaW4gdGhlIHNhbWUgd2F5IGFzIC1FUElQRT8KPj4gCj4+IFNpbmNlIGl0IGlzIHN1 cHBvc2VkIHRvIGJlIGludGVybWl0dGVudCB1bmxpa2UsIGZvciBleGFtcGxlLCAtRU5PRU5UIG9y Cj4+IC1FUElQRSAodGhlIGxhdHRlciB3aGljaCB0aGUgZGV2aWNlIGRyaXZlciBjYW4gcmVjb3Zl ciBmcm9tIGlmIGl0IGNhcmVzCj4+IHRvIGltcGxlbWVudCBjbGVhcmluZyBvZiBoYWx0KS4KPgo+ IE9rYXksIG1ha2VzIHNlbnNlLgo+Cj4+IAo+PiA+ID4gZHdjMiBmaXhlZCBhIHNpbWlsYXIgbG9j a3VwIGlzc3VlIGR1ZSB0byByZXRyaWVkIE5BS2VkIHRyYW5zYWN0aW9uIGJ5Cj4+ID4gPiBub3Qg cmV0cnlpbmcgaW1tZWRpYXRlbHk6Cj4+ID4gPiAKPj4gPiA+IAkzOGQyYjVmYjc1YzEgKCJ1c2I6 IGR3YzI6IGhvc3Q6IERvbid0IHJldHJ5IE5BS2VkIHRyYW5zYWN0aW9ucyByaWdodCBhd2F5IikK Pj4gPiAKPj4gPiBCb3RoIGNhc2VzIGFyZSBhbGwgYWJvdXQgZGV2aWNlIHJlbW92YWwsIGJ1dCB0 aGlzIG11c2IgY2FzZSBpcyBzbGlnaHRseQo+PiA+IGRpZmZlcmVudCBmcm9tIHRoaXMgZHdjMiBj YXNlLgo+PiA+IAo+PiA+IEl0IGlzIGFsbCBhYm91dCByZS10cmFuc21pdHRpbmcgd2hpY2ggY2F1 c2VzIGludGVycnVwdCBzdG9ybSwgYnV0IGluCj4+ID4gdGhpcyBkd2MyIGNhc2UsIGl0IGlzIHRo ZSBkd2MyIGRyaXZlciBkb2luZyB0aGUgcmUtdHJhbnNtaXR0aW5nLCBzbyBpdAo+PiA+IG1ha2Vz IHNlbnNlIHRvIGRlbGF5IGl0IGluIHRoZSBkd2MyIGRyaXZlciBhcyB0aGlzIHJlZmVycmVkIHBh dGNoIGRvZXMsCj4+ID4KPj4gPiBidXQgaW4gdGhpcyBtdXNiIGNhc2UsIG11c2IgZHJpdmVyIHJl cG9ydHMgdHJhbnNhY3Rpb24gZXJyb3IgdG8gdGhlIHVzYgo+PiA+IHNlcmlhbCBkcml2ZXIsIHRo ZSB1c2Igc2VyaWFsIGRyaXZlciBpc3N1ZXMgdGhlIHJlLXRyYW5zbWl0dGluZyBub3QgdGhlCj4+ ID4gbXVzYiBkcml2ZXIsIHNvIEkgZG9uJ3QgdGhpbmsgdGhlIGRlbGF5IHNob3VsZCBiZSBhZGRl ZCBpbiB0aGUgbXVzYgo+PiA+IGRyaXZlci4KPj4gCj4+IEkgZGlkbid0IHNheSBpdCB3YXMgZXhh Y3RseSB0aGUgc2FtZS4KPgo+IFllYWgsIEkga25vdy4gTXkgcG9pbnQgd2FzIHRoZSBmaXggaXMg aW4gdGhlIHBsYWNlIHdoZXJlIHJlLXRyYW5zbWl0dGluZwo+IGhhcHBlbnMsIGJ1dAo+Cj4+IE15 IHBvaW50IHdhcyB0aGF0IHVubGVzcyB5b3UgZml4IHRoaXMgYXQgdGhlIEhDRCBsZXZlbCwgeW91 IHdpbGwgbmVlZCB0bwo+PiBhZGQgY29tcGxleCByZWNvdmVyeSBoYW5kbGluZyB0byBldmVyeSBV U0IgZHJpdmVyIGFuZCBjb21wbGV0aW9uIGhhbmRsZXIKPj4gKH41MDAgb2YgdGhvc2UpLiBCdXQg cGVyaGFwcyB0aGF0IGlzIHdoYXQgaXQgbmVlZGVkLgo+Cj4gb2theSwgaXQgcHJvYmFibHkgbWFr ZSBzZW5zZSB0byBoYW5kbGUgdGhlIGNhc2UgaW4gSENEIGJlY2F1c2UgdGhlCj4gbnVtYmVyIG9m IEhDRCBpcyBtdWNoIGxlc3MuCj4KPj4gSSBkbyBzZWUgbm93IHRoYXQgb2YgYWxsIFVTQiBkcml2 ZXJzIHdlIGhhdmUgdHdvIGRyaXZlcnMgdGhhdCBoYW5kbGVzCj4+IC1FUFJPVE8gYnkgcmVzdWJt aXR0aW5nIGFmdGVyIGEgZGVsYXksIHdoaWxlIGEgaGFuZGZ1bCBleHBsaWNpdGx5IGRlYWxzCj4+ IHdpdGggLUVQUk9UTyBieSBzaW1wbHkgc3RvcHBpbmcgdG8gcmVzdWJtaXQgKHNvbWUgcHJvYmFi bHkgYmFpbCBvdXQgb24KPj4gYWxsIGVycm9ycywgYnV0IHRoZSBtYWpvcml0eSBhcHBlYXIgdG8g cmVzdWJtaXQgb24gLUVQUk9UTykuCj4KPiBUaGFua3MgZm9yIHRoZSBpbmZvLgo+IEkgd2lsbCBo YW5kbGUgdGhpcyBjYXNlIGluIG11c2IgZHJpdmVyLgoKV2hhdCdzIGhhcHBlbmluZyB0byB0aGlz PyAgVGhlcmUncyBubyBpbW1lZGlhdGUgdXJnZW5jeSBmcm9tIG15IHNpZGUsCmJ1dCBJIGRvbid0 IHdhbnQgaXQgdG8gZ2V0IGZvcmdvdHRlbiBlaXRoZXIuCg==