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: <20190123152126.GB18982@uda0271908> Date: Wed, 23 Jan 2019 09:21:26 -0600 To: Johan Hovold Cc: Greg KH , =?iso-8859-1?Q?M=E5ns_Rullg=E5rd?= , linux-usb@vger.kernel.org List-ID: T24gV2VkLCBKYW4gMjMsIDIwMTkgYXQgMDM6NTU6NDdQTSArMDEwMCwgSm9oYW4gSG92b2xkIHdy b3RlOgo+IE9uIFdlZCwgSmFuIDIzLCAyMDE5IGF0IDA4OjA5OjQ3QU0gLTA2MDAsIEJpbiBMaXUg d3JvdGU6Cj4gPiBPbiBXZWQsIEphbiAyMywgMjAxOSBhdCAwOTo1NTo0OUFNICswMTAwLCBKb2hh biBIb3ZvbGQgd3JvdGU6Cj4gPiA+IE9uIFdlZCwgSmFuIDIzLCAyMDE5IGF0IDA3OjUyOjEyQU0g KzAxMDAsIEdyZWcgS3JvYWgtSGFydG1hbiB3cm90ZToKPiAKPiA+ID4gPiBUaGF0J3Mgbm90IHdo YXQgYW55IG90aGVyIGhvc3QgY29udHJvbGxlciByZXR1cm5zIHdoZW4gYSBkZXZpY2UgaXMKPiA+ ID4gPiByZW1vdmVkLCBzbyBlaXRoZXIgeW91IGFyZSBnb2luZyB0byBoYXZlIHRvIGZpeCBhbGwg VVNCIGRyaXZlcyBmb3IgdGhpcwo+ID4gPiA+IGlzc3VlLCBvciB5b3UgbmVlZCB0byBmaXggdGhl IG11c2IgZHJpdmVyIHRvIG5vdCBzZW5kIHRoaXMgZXJyb3IgZm9yCj4gPiA+ID4gd2hlbiBhIGRl dmljZSBpcyByZW1vdmVkIChoaW50LCBkbyB0aGUgbGF0dGVyLi4uKQo+ID4gPiAKPiA+ID4gUmln aHQsIHRoaXMgbmVlZHMgdG8gYmUgaGFuZGxlIGF0IHRoZSBIQ0QgbGV2ZWwuCj4gPiAKPiA+IEFu eSByZWFzb24gdXNiX3NlcmlhbF9nZW5lcmljX3JlYWRfYnVsa19jYWxsYmFjaygpIGRvZXNuJ3Qg aGFuZGxlCj4gPiAtRVBST1RPIGluIHRoZSBzYW1lIHdheSBhcyAtRVBJUEU/Cj4gCj4gU2luY2Ug aXQgaXMgc3VwcG9zZWQgdG8gYmUgaW50ZXJtaXR0ZW50IHVubGlrZSwgZm9yIGV4YW1wbGUsIC1F Tk9FTlQgb3IKPiAtRVBJUEUgKHRoZSBsYXR0ZXIgd2hpY2ggdGhlIGRldmljZSBkcml2ZXIgY2Fu IHJlY292ZXIgZnJvbSBpZiBpdCBjYXJlcwo+IHRvIGltcGxlbWVudCBjbGVhcmluZyBvZiBoYWx0 KS4KCk9rYXksIG1ha2VzIHNlbnNlLgoKPiAKPiA+ID4gZHdjMiBmaXhlZCBhIHNpbWlsYXIgbG9j a3VwIGlzc3VlIGR1ZSB0byByZXRyaWVkIE5BS2VkIHRyYW5zYWN0aW9uIGJ5Cj4gPiA+IG5vdCBy ZXRyeWluZyBpbW1lZGlhdGVseToKPiA+ID4gCj4gPiA+IAkzOGQyYjVmYjc1YzEgKCJ1c2I6IGR3 YzI6IGhvc3Q6IERvbid0IHJldHJ5IE5BS2VkIHRyYW5zYWN0aW9ucyByaWdodCBhd2F5IikKPiA+ IAo+ID4gQm90aCBjYXNlcyBhcmUgYWxsIGFib3V0IGRldmljZSByZW1vdmFsLCBidXQgdGhpcyBt dXNiIGNhc2UgaXMgc2xpZ2h0bHkKPiA+IGRpZmZlcmVudCBmcm9tIHRoaXMgZHdjMiBjYXNlLgo+ ID4gCj4gPiBJdCBpcyBhbGwgYWJvdXQgcmUtdHJhbnNtaXR0aW5nIHdoaWNoIGNhdXNlcyBpbnRl cnJ1cHQgc3Rvcm0sIGJ1dCBpbgo+ID4gdGhpcyBkd2MyIGNhc2UsIGl0IGlzIHRoZSBkd2MyIGRy aXZlciBkb2luZyB0aGUgcmUtdHJhbnNtaXR0aW5nLCBzbyBpdAo+ID4gbWFrZXMgc2Vuc2UgdG8g ZGVsYXkgaXQgaW4gdGhlIGR3YzIgZHJpdmVyIGFzIHRoaXMgcmVmZXJyZWQgcGF0Y2ggZG9lcywK PiA+Cj4gPiBidXQgaW4gdGhpcyBtdXNiIGNhc2UsIG11c2IgZHJpdmVyIHJlcG9ydHMgdHJhbnNh Y3Rpb24gZXJyb3IgdG8gdGhlIHVzYgo+ID4gc2VyaWFsIGRyaXZlciwgdGhlIHVzYiBzZXJpYWwg ZHJpdmVyIGlzc3VlcyB0aGUgcmUtdHJhbnNtaXR0aW5nIG5vdCB0aGUKPiA+IG11c2IgZHJpdmVy LCBzbyBJIGRvbid0IHRoaW5rIHRoZSBkZWxheSBzaG91bGQgYmUgYWRkZWQgaW4gdGhlIG11c2IK PiA+IGRyaXZlci4KPiAKPiBJIGRpZG4ndCBzYXkgaXQgd2FzIGV4YWN0bHkgdGhlIHNhbWUuCgpZ ZWFoLCBJIGtub3cuIE15IHBvaW50IHdhcyB0aGUgZml4IGlzIGluIHRoZSBwbGFjZSB3aGVyZSBy ZS10cmFuc21pdHRpbmcKaGFwcGVucywgYnV0Cgo+IE15IHBvaW50IHdhcyB0aGF0IHVubGVzcyB5 b3UgZml4IHRoaXMgYXQgdGhlIEhDRCBsZXZlbCwgeW91IHdpbGwgbmVlZCB0bwo+IGFkZCBjb21w bGV4IHJlY292ZXJ5IGhhbmRsaW5nIHRvIGV2ZXJ5IFVTQiBkcml2ZXIgYW5kIGNvbXBsZXRpb24g aGFuZGxlcgo+ICh+NTAwIG9mIHRob3NlKS4gQnV0IHBlcmhhcHMgdGhhdCBpcyB3aGF0IGl0IG5l ZWRlZC4KCm9rYXksIGl0IHByb2JhYmx5IG1ha2Ugc2Vuc2UgdG8gaGFuZGxlIHRoZSBjYXNlIGlu IEhDRCBiZWNhdXNlIHRoZQpudW1iZXIgb2YgSENEIGlzIG11Y2ggbGVzcy4KCj4gSSBkbyBzZWUg bm93IHRoYXQgb2YgYWxsIFVTQiBkcml2ZXJzIHdlIGhhdmUgdHdvIGRyaXZlcnMgdGhhdCBoYW5k bGVzCj4gLUVQUk9UTyBieSByZXN1Ym1pdHRpbmcgYWZ0ZXIgYSBkZWxheSwgd2hpbGUgYSBoYW5k ZnVsIGV4cGxpY2l0bHkgZGVhbHMKPiB3aXRoIC1FUFJPVE8gYnkgc2ltcGx5IHN0b3BwaW5nIHRv IHJlc3VibWl0IChzb21lIHByb2JhYmx5IGJhaWwgb3V0IG9uCj4gYWxsIGVycm9ycywgYnV0IHRo ZSBtYWpvcml0eSBhcHBlYXIgdG8gcmVzdWJtaXQgb24gLUVQUk9UTykuCgpUaGFua3MgZm9yIHRo ZSBpbmZvLgpJIHdpbGwgaGFuZGxlIHRoaXMgY2FzZSBpbiBtdXNiIGRyaXZlci4KClJlZ2FyZHMs Ci1CaW4uCg==