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: <20181217205642.GB31211@uda0271908> Date: Mon, 17 Dec 2018 14:56:42 -0600 To: =?iso-8859-1?Q?M=E5ns_Rullg=E5rd?= Cc: linux-usb@vger.kernel.org List-ID: T24gTW9uLCBEZWMgMTcsIDIwMTggYXQgMDc6MTY6MDhQTSArMDAwMCwgTcOlbnMgUnVsbGfDpXJk IHdyb3RlOgo+IEJpbiBMaXUgPGItbGl1QHRpLmNvbT4gd3JpdGVzOgo+IAo+ID4gSGksCj4gPgo+ ID4gT24gTW9uLCBEZWMgMTcsIDIwMTggYXQgMDM6MTM6MTJQTSArMDAwMCwgTcOlbnMgUnVsbGfD pXJkIHdyb3RlOgo+ID4+IEkgaGF2ZSBhIHN0cmFuZ2UgcHJvYmxlbSB3aXRoIHRoZSBtdXNiIGRy aXZlciBpbiBob3N0IG1vZGUgb24gQU0zMzU4Cj4gPj4gKGJlYWdsZWJvbmUpIGhhcmR3YXJlLiAg SWYgSSBjb25uZWN0IGEgbXVsdGktcG9ydCBzZXJpYWwgYWRhcHRlciBhbmQKPiA+PiBvcGVuIHR3 byBvciBtb3JlIG9mIHRoZSB0dHlzLCB0aGVuIHVucGx1ZyB0aGUgZGV2aWNlLCBhbiBpbnRlcnJ1 cHQgc3Rvcm0KPiA+PiBlbnN1ZXMgdGhhdCBtYWtlcyB0aGUgc3lzdGVtIGNvbXBsZXRlbHkgdW5y ZXNwb25zaXZlIHVudGlsIHRoZSB3YXRjaGRvZwo+ID4+IHJlc2V0cyBpdC4gIEVuYWJsaW5nIHNv bWUgZGVidWcgbWVzc2FnZXMsIEkgZ2V0IHRoaXMgcmVwZWF0ZWQgZW5kbGVzc2x5Ogo+ID4+IAo+ ID4+IG11c2ItaGRyYyBtdXNiLWhkcmMuMTogdXNiaW50ciAoMCkgZXBpbnRyKDFjMDAwMCkKPiA+ PiBtdXNiLWhkcmMgbXVzYi1oZHJjLjE6IGVuZCAyIFJYIHByb3RvIGVycm9yCj4gPj4gbXVzYi1o ZHJjIG11c2ItaGRyYy4xOiAuLi4gbmV4dCBlcDIgUlggdXJiIDcyYWFiYzEzCj4gPj4gbXVzYi1o ZHJjIG11c2ItaGRyYy4xOiA8LS0gaHcyIHVyYiA3MmFhYmMxMyBzcGQzIGRldjQgZXAzaW4gaF9h ZGRyMDIgaF9wb3J0MDAgYnl0ZXMgNDA5Ngo+ID4+IG11c2ItaGRyYyBtdXNiLWhkcmMuMTogUlhD U1IyIDo9IDIwMjAKPiA+PiBtdXNiLWhkcmMgbXVzYi1oZHJjLjE6IGVuZCAzIFJYIHByb3RvIGVy cm9yCj4gPj4gbXVzYi1oZHJjIG11c2ItaGRyYy4xOiAuLi4gbmV4dCBlcDMgUlggdXJiIDk0YzJj YzQzCj4gPj4gbXVzYi1oZHJjIG11c2ItaGRyYy4xOiA8LS0gaHczIHVyYiA5NGMyY2M0MyBzcGQz IGRldjQgZXAyaW4gaF9hZGRyMDIgaF9wb3J0MDAgYnl0ZXMgNDA5Ngo+ID4+IG11c2ItaGRyYyBt dXNiLWhkcmMuMTogUlhDU1IzIDo9IDIwMjAKPiA+PiBtdXNiLWhkcmMgbXVzYi1oZHJjLjE6IGVu ZCA0IFJYIHByb3RvIGVycm9yCj4gPj4gbXVzYi1oZHJjIG11c2ItaGRyYy4xOiAuLi4gbmV4dCBl cDQgUlggdXJiIGNiZGMzOWM2Cj4gPj4gbXVzYi1oZHJjIG11c2ItaGRyYy4xOiA8LS0gaHc0IHVy YiBjYmRjMzljNiBzcGQzIGRldjQgZXA1aW4gaF9hZGRyMDIgaF9wb3J0MDAgYnl0ZXMgNDA5Ngo+ ID4+IG11c2ItaGRyYyBtdXNiLWhkcmMuMTogUlhDU1I0IDo9IDIwMjAKPiA+PiAKPiA+PiBUaGlz IGhhcHBlbnMgd2l0aCBib3RoIGEgdHdvLXBvcnQgRlRESSBzZXJpYWwgYWRhcHRlciBhbmQgYSBT aW1jb20gR1NNCj4gPj4gbW9kZW0gKFF1YWxjb21tIGJhc2VkKSB1c2luZyB0aGUgIm9wdGlvbiIg ZHJpdmVyLiAgSW4gYm90aCBjYXNlcywgdGhlCj4gPj4gcHJvYmxlbSBvY2N1cnMgb25seSBpZiB0 d28gb3IgbW9yZSBvZiB0aGUgdHR5cyBhcmUgb3BlbmVkIHdoZW4gdGhlCj4gPj4gZGV2aWNlIGlz IHVucGx1Z2dlZC4KPiA+Cj4gPiBQbGVhc2UgaGVscCBtZSB0byB1bmRlcnN0YW5kIHRoZSB0ZXN0 IGNhc2Ugc28gdGhhdCBJIGNhbiB0cnkgdG8KPiA+IHJlcGxpY2F0ZSB0aGUgaXNzdWUgLSBpZiBJ IGNvbm5lY3QgYSBtdWx0aS1wb3J0IEZUREkgYWRhcHRlciwgdXNlIGNhdAo+ID4gY29tbWFuZCB0 byBvcGVuIG1vcmUgdGhhbiBvbmUgcG9ydCB0aGVuIHVucGx1ZyB0aGUgYWRhcHRlciwgSSBzaG91 bGQKPiA+IHNlZSB0aGUgZmxvb2RpbmcgZGVidWcgbWVzc2FnZXM/Cj4gCj4gWWVzLCB0aGF0J3Mg d2hhdCBJJ20gc2VlaW5nLiAgT2J2aW91c2x5LCB5b3UgaGF2ZSB0byBmaXJzdCBlbmFibGUgdGhv c2UKPiBkZWJ1ZyBtZXNzYWdlcy4gIE90aGVyd2lzZSBpdCBqdXN0IHN0b3BzIGRlYWQgaW4gaXRz IHRyYWNrcy4KPiAKPiBJIGZvcmdvdCB0byBtZW50aW9uLCBJIGFsc28gdHJpZWQgbWFraW5nIHRo ZSBpbnRlcnJ1cHQgaGFuZGxlciB0aHJlYWRlZC4KPiBUaGlzIGFsbG93cyB0aGUgc3lzdGVtIHRv IHJlbWFpbiBzbGlnaHRseSByZXNwb25zaXZlLCBidXQgaXQgbmV2ZXIKPiByZWNvdmVycy4KPiAK PiA+IE9uIHdoaWNoIGtlcm5lbCB2ZXJzaW9uIGRvIHlvdSBzZWUgdGhlIHByb2JsZW0/Cj4gCj4g VGhpcyB3YXMgb24gNC4xOS45LiAgSSBkb24ndCBzZWUgYW55IGxhdGVyIGNvbW1pdHMgdGhhdCBs b29rIHJlbGF0ZWQsCj4gYnV0IEkgY2FuIHRyeSBzb21lIG90aGVyIHRyZWUgaWYgeW91IHN1Z2dl c3Qgb25lLgoKVGhpcyBzaG91bGQgYmUgZmluZS4gVGhlIGRyaXZlciB3YXMgYmFyZWx5IHRvdWNo ZWQgcmVjZW50bHkuCkkgaGF2ZSBvbmx5IGEgZmV3IGRheXMgbGVmdCBmb3IgMjAxOCwgbGV0IG1l IHRyeSB0byByZXByb2R1Y2UgaXQgZmlyc3QKYWZ0ZXIgSSBhbSBiYWNrIGluIEphbi4KClJlZ2Fy ZHMsCi1CaW4uCg==