Return-Path: From: Amitkumar Karwar To: Marcel Holtmann CC: "linux-bluetooth@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Cathy Luo , Nishant Sarmukadam , Ganapathi Bhat Subject: RE: [PATCH] btusb: fix zero BD address problem during stress test Date: Wed, 23 Nov 2016 09:44:15 +0000 Message-ID: <1f1f6e030882485eb9f0a5b2b00ffe2a@SC-EXCH04.marvell.com> References: <1476795449-20592-1-git-send-email-akarwar@marvell.com> <077FBE27-DA84-4F11-BC69-F38184CE6B40@holtmann.org> <3926ae98e84248eaa53999e4d466b189@SC-EXCH04.marvell.com> <0175091F-6B2E-49CE-B099-FC6D35C9C1BF@holtmann.org> In-Reply-To: <0175091F-6B2E-49CE-B099-FC6D35C9C1BF@holtmann.org> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: SGkgTWFyY2VsLA0KDQo+IEZyb206IE1hcmNlbCBIb2x0bWFubiBbbWFpbHRvOm1hcmNlbEBob2x0 bWFubi5vcmddDQo+IFNlbnQ6IFdlZG5lc2RheSwgTm92ZW1iZXIgMjMsIDIwMTYgMTo0NiBQTQ0K PiBUbzogQW1pdGt1bWFyIEthcndhcg0KPiBDYzogbGludXgtYmx1ZXRvb3RoQHZnZXIua2VybmVs Lm9yZzsgbGludXgta2VybmVsQHZnZXIua2VybmVsLm9yZzsNCj4gQ2F0aHkgTHVvOyBOaXNoYW50 IFNhcm11a2FkYW07IEdhbmFwYXRoaSBCaGF0DQo+IFN1YmplY3Q6IFJlOiBbUEFUQ0hdIGJ0dXNi OiBmaXggemVybyBCRCBhZGRyZXNzIHByb2JsZW0gZHVyaW5nIHN0cmVzcw0KPiB0ZXN0DQo+IA0K PiBIaSBBbWl0a3VtYXIsDQo+IA0KPiA+Pj4+IEZyb206IEFtaXRrdW1hciBLYXJ3YXIgW21haWx0 bzpha2Fyd2FyQG1hcnZlbGwuY29tXQ0KPiA+Pj4+IFNlbnQ6IFR1ZXNkYXksIE9jdG9iZXIgMTgs IDIwMTYgNjoyNyBQTQ0KPiA+Pj4+IFRvOiBsaW51eC1ibHVldG9vdGhAdmdlci5rZXJuZWwub3Jn DQo+ID4+Pj4gQ2M6IG1hcmNlbEBob2x0bWFubi5vcmc7IGxpbnV4LWtlcm5lbEB2Z2VyLmtlcm5l bC5vcmc7IENhdGh5IEx1bzsNCj4gPj4+PiBOaXNoYW50IFNhcm11a2FkYW07IEdhbmFwYXRoaSBC aGF0OyBBbWl0a3VtYXIgS2Fyd2FyDQo+ID4+Pj4gU3ViamVjdDogW1BBVENIXSBidHVzYjogZml4 IHplcm8gQkQgYWRkcmVzcyBwcm9ibGVtIGR1cmluZyBzdHJlc3MNCj4gPj4+PiB0ZXN0DQo+ID4+ Pj4NCj4gPj4+PiBGcm9tOiBHYW5hcGF0aGkgQmhhdCA8Z2JoYXRAbWFydmVsbC5jb20+DQo+ID4+ Pj4NCj4gPj4+PiBXZSBjYW1lIGFjcm9zcyBhIGNvcm5lciBjYXNlIGlzc3VlIGR1cmluZyByZWJv b3Qgc3RyZXNzIHRlc3QgaW4NCj4gPj4gd2hpY2gNCj4gPj4+PiBoY2ljb25maWcgc2hvd3MgQkQg YWRkcmVzcyBpcyBhbGwgemVyby4gUmVhc29uIGlzIHdlIGRvbid0IGdldA0KPiA+Pj4+IHJlc3Bv bnNlIGZvciBIQ0kgUkVTRVQgY29tbWFuZCBkdXJpbmcgaW5pdGlhbGl6YXRpb24NCj4gPj4+Pg0K PiA+Pj4+IFRoZSBpc3N1ZSBpcyB0cmFja2VkIHRvIGEgcmFjZSB3aGVyZSBVU0Igc3Vic3lzdGVt IGNhbGxzDQo+ID4+Pj4gYnR1c2JfaW50cl9jb21wbGV0ZSgpIHRvIGRlbGl2ZXIgYSBkYXRhKE5P T1AgZnJhbWUpIHJlY2VpdmVkIG9uDQo+ID4+Pj4gaW50ZXJydXB0IGVuZHBvaW50LiBIQ0lfUlVO TklORyBmbGFnIGlzIG5vdCB5ZXQgc2V0IGJ5IGJsdWV0b290aA0KPiA+Pj4+IHN1YnN5c3RlbS4g U28gd2UgaWdub3JlIHRoYXQgZnJhbWUgYW5kIHJldHVybi4NCj4gPj4+Pg0KPiA+Pj4+IEFzIHdl IG1pc3NlZCB0byByZXN1Ym1pdCB0aGUgYnVmZmVyIHRvIGludGVycnVwdCBlbmRwb2ludCBpbiB0 aGlzDQo+ID4+Pj4gY2FzZSwgd2UgZG9uJ3QgZ2V0IHJlc3BvbnNlIGZvciBCVCByZXNldCBjb21t YW5kIGRvd25sb2FkZWQgYWZ0ZXINCj4gPj4gdGhpcy4NCj4gPj4+Pg0KPiA+Pj4+IFRoaXMgcGF0 Y2ggaGFuZGxlcyB0aGUgY29ybmVyIGNhc2UgdG8gcmVzb2x2ZSB6ZXJvIEJEIGFkZHJlc3MNCj4g Pj4gcHJvYmxlbS4NCj4gPj4+Pg0KPiA+Pj4+IFNpZ25lZC1vZmYtYnk6IEdhbmFwYXRoaSBCaGF0 IDxnYmhhdEBtYXJ2ZWxsLmNvbT4NCj4gPj4+PiBTaWduZWQtb2ZmLWJ5OiBBbWl0a3VtYXIgS2Fy d2FyIDxha2Fyd2FyQG1hcnZlbGwuY29tPg0KPiA+Pj4+IC0tLQ0KPiA+Pj4+IGRyaXZlcnMvYmx1 ZXRvb3RoL2J0dXNiLmMgfCA1ICstLS0tDQo+ID4+Pj4gMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0 aW9uKCspLCA0IGRlbGV0aW9ucygtKQ0KPiA+Pj4+DQo+ID4+Pj4gZGlmZiAtLWdpdCBhL2RyaXZl cnMvYmx1ZXRvb3RoL2J0dXNiLmMgYi9kcml2ZXJzL2JsdWV0b290aC9idHVzYi5jDQo+ID4+Pj4g aW5kZXggODExZjliOS4uYjU1OTZhYyAxMDA2NDQNCj4gPj4+PiAtLS0gYS9kcml2ZXJzL2JsdWV0 b290aC9idHVzYi5jDQo+ID4+Pj4gKysrIGIvZHJpdmVycy9ibHVldG9vdGgvYnR1c2IuYw0KPiA+ Pj4+IEBAIC02MDcsMTAgKzYwNyw3IEBAIHN0YXRpYyB2b2lkIGJ0dXNiX2ludHJfY29tcGxldGUo c3RydWN0IHVyYg0KPiA+PiAqdXJiKQ0KPiA+Pj4+IAlCVF9EQkcoIiVzIHVyYiAlcCBzdGF0dXMg JWQgY291bnQgJWQiLCBoZGV2LT5uYW1lLCB1cmIsIHVyYi0NCj4gPj4+Pj4gc3RhdHVzLA0KPiA+ Pj4+IAkgICAgICAgdXJiLT5hY3R1YWxfbGVuZ3RoKTsNCj4gPj4+Pg0KPiA+Pj4+IC0JaWYgKCF0 ZXN0X2JpdChIQ0lfUlVOTklORywgJmhkZXYtPmZsYWdzKSkNCj4gPj4+PiAtCQlyZXR1cm47DQo+ ID4+Pj4gLQ0KPiA+Pj4+IC0JaWYgKHVyYi0+c3RhdHVzID09IDApIHsNCj4gPj4+PiArCWlmICh1 cmItPnN0YXR1cyA9PSAwICYmIHRlc3RfYml0KEhDSV9SVU5OSU5HLCAmaGRldi0NCj4gPmZsYWdz KSkgew0KPiA+Pj4+IAkJaGRldi0+c3RhdC5ieXRlX3J4ICs9IHVyYi0+YWN0dWFsX2xlbmd0aDsN Cj4gPj4+Pg0KPiA+Pj4+IAkJaWYgKGJ0dXNiX3JlY3ZfaW50cihkYXRhLCB1cmItPnRyYW5zZmVy X2J1ZmZlciwNCj4gPj4+DQo+ID4+PiBEaWQgeW91IGdldCBhIGNoYW5jZSB0byBjaGVjayB0aGlz Pw0KPiA+Pj4gUGxlYXNlIGxldCB1cyBrbm93IGlmIHlvdSBoYXZlIGFueSByZXZpZXcgY29tbWVu dHMuDQo+ID4+DQo+ID4+IGNhbiB5b3UgZXhwbGFpbiBob3cgdGhpcyBpcyBjb3JyZWN0IGFuZCBz aG93IG1lIHRoZSBIQ0kgdHJhY2VzIGZvcg0KPiA+PiB0aGlzLg0KPiA+Pg0KPiA+DQo+ID4gSSBz dXBwb3NlIEhDSSB0cmFjZSBtZWFucyBoY2lkdW1wIGxvZ3MgaGVyZS4gQXMgZGV2aWNlIGhhc24n dCB5ZXQNCj4gaW5pdGlhbGl6ZWQsIGhjaWR1bXAgd29uJ3Qgc2hvdyBhbnl0aGluZy4NCj4gPiBX ZSBoYWQgYWRkZWQgZGVidWcgaW5mbyBpbiBidHVzYiBkcml2ZXIgdG8gdHJhY2UgdGhlIGRhdGEg cmVjZWl2ZWQgb24NCj4gYWxsIFVTQiBlbmRwb2ludHMgYW5kIGFsc28gY2hlY2tlZCB1c2Jtb24g bG9ncy4NCj4gDQo+IHVzZSBidG1vbiBhbmQgaXQgd2lsbCBzaG93IGl0Lg0KPiANCj4gPiBIZXJl IGlzIHRoZSBzZXF1ZW5jZSBvZiBldmVudHMgd2Ugb2JzZXJ2ZWQgaW4gYSBjb3JuZXIgY2FzZSB3 aGlsZQ0KPiBydW5uaW5nIHN0cmVzcyB0ZXN0Lg0KPiA+IDEpIEluc2lkZSBidHVzYl9vcGVuKCkg Y2FsbCAtLS0tLS0gVGhyZWFkIDENCj4gPiAyKSBidHVzYl9zdWJtaXRfaW50cl91cmIoKSBzdWJt aXRzIHRoZSBVUkIgZm9yIHJlY2VpdmluZyBkYXRhIG9uDQo+ID4gaW50ZXJydXB0IGVuZHBvaW50 IC0tLS0gVGhyZWFkIDENCj4gPiAzKSBidHVzYl9pbnRyX2NvbXBsZXRlKCkgZ2V0cyBjYWxsZWQg dG8gZGVsaXZlciBOT1AgZnJhbWUgZnJvbSBIQ0kNCj4gPiBjb250cm9sbGVyIC0tLS0gVGhyZWFk IDINCj4gPiA0KSBIQ0lfUlVOTklORyBpc24ndCBzZXQgeWV0LiBTbyB3ZSByZXR1cm4gZnJvbSBi dHVzYl9pbnRyX2NvbXBsZXRlKCkNCj4gPiB3aXRob3V0IHJlc3VibWl0dGluZyB0aGUgYnVmZmVy IC0tLSBUaHJlYWQgMg0KPiA+IDUpIEV4aXQgYnR1c2Jfb3BlbigpIC0tLS0gVGhyZWFkIDENCj4g PiA2KSAic2V0X2JpdChIQ0lfUlVOTklORywgJmhkZXYtPmZsYWdzKSIgZG9uZSBieSBibHVldG9v dGggY29yZSAtLS0tDQo+ID4gVGhyZWFkIDENCj4gPg0KPiA+IExhdGVyIEhDSV9SRVNFVCBjb21t YW5kIGdldHMgdGltZWRvdXQsIGFzIHdlIGhhdmVuJ3QgcmUtc3VibWl0dGVkDQo+IGJ1ZmZlciBm b3IgaW50ZXJydXB0IGVuZHBvaW50IGluIHN0ZXAgKDQpIGFib3ZlLg0KPiA+DQo+ID4gUGxlYXNl IGZpbmQgYXR0YWNoZWQgbG9ncy4gdXNibW9uIGxvZyBzaG93cyBmaXJzdCBmcmFtZSByZWNlaXZl ZCBvbg0KPiBpbnRlcnJ1cHQgZW5kcG9pbnQgaXMgTk9QKFNlYXJjaCBmb3IgTWFydmVsbCBpbiBs b2cpLg0KPiA+DQo+ID4gSGVyZSBpcyB3aGF0IGJsdWV0b290aCBzcGVjIHNheXMgYWJvdXQgTk9Q IGZyYW1lLg0KPiA+DQo+ID4gIlRvIGluZGljYXRlIHRvIHRoZSBIb3N0IHRoYXQgdGhlIENvbnRy b2xsZXIgaXMgcmVhZHkgdG8gcmVjZWl2ZSBIQ0kNCj4gPiBjb21tYW5kIHBhY2tldHMsIHRoZSBD b250cm9sbGVyIGdlbmVyYXRlcyBhIENvbW1hbmQgU3RhdHVzIGV2ZW50IHdpdGgNCj4gPiBTdGF0 dXMgMHgwMCBhbmQgQ29tbWFuZF9PcGNvZGUgMHgwMDAwLCBhbmQgdGhlDQo+IE51bV9IQ0lfQ29t bWFuZF9QYWNrZXRzDQo+ID4gZXZlbnQgcGFyYW1ldGVyIGlzIHNldCB0byAxIG9yIG1vcmUuIENv bW1hbmRfT3Bjb2RlLCAweDAwMDAgaXMgYSBOT1ANCj4gKE5vIE9wZXJhdGlvbinigJ0NCj4gDQo+ IFNvIEkgd29uZGVyIGlmIHdlIG5lZWQgdG8gcmVtb3ZlIHRoZSBIQ0lfUlVOTklORyBsb2dpYyBm cm9tIHRoZQ0KPiBkcml2ZXJzLiBJdCBpcyBvbmx5IGxlZnQgaW4gYSBmZXcgVVNCIGRyaXZlcnMg YW5kIEkgcmVtb3ZlZCB0aGUgcmVzdA0KPiBhbmQgbW92ZWQgaXQgaW50byB0aGUgY29yZS4gSSBh bSBub3QgaW4gZmF2b3VyIG9mIHBhcGVyaW5nIG92ZXIgdGhpcw0KPiBpc3N1ZS4gSSBuZWVkIHRv IHVuZGVyc3RhbmQgd2hhdCBpcyB3cm9uZy4gQW5kIGFjdHVhbGx5IEhDSV9SVU5OSU5HDQo+IG5l ZWRzIHRvIGJlIHRha2VuIGF3YXkgZnJvbSB0aGUgZHJpdmVycy4gU28gdGhlIHF1ZXN0aW9uIGlz IGlmIGJ0dXNiLmMNCj4gc3RpbGwgbmVlZHMgaXQgb3IgaWYgdGhhdCBpcyBqdXN0IGEgbGVmdG92 ZXIuIE1lYW5pbmcgaXMgaXQgcHJvdGVjdGluZw0KPiBhbnl0aGluZz8NCj4gDQoNCkkgY2FuIHNl ZSBIQ0lfUlVOTklORyBjaGVjayBiZWluZyB1c2VkIGF0IGJlbG93IHBsYWNlcyBpbiBidHVzYi5j DQoNCjEpIGJ0dXNiX2ludHJfY29tcGxldGUNCjIpIGJ0dXNiX2J1bGtfY29tcGxldGUNCjMpIGJ0 dXNiX2lzb2NfY29tcGxldGUNCjQpIGJ0dXNiX3R4X2NvbXBsZXRlDQo1KSBidHVzYl9pc29jX3R4 X2NvbXBsZXRlDQo2KSBidHVzYl9iY21fc2V0X2RpYWcNCjcpIGJ0dXNiX3Jlc3VtZQ0KDQpJIHRo aW5rLCBpdCBjYW4gYmUgcmVtb3ZlZCBmcm9tICgxKSwgKDIpIGFuZCAoMyksIGFzIHdlIGFscmVh ZHkgaGF2ZSBiZWxvdyBjaGVjayBpbnNpZGUgaGNpX3JlY3ZfZnJhbWUoKSANCg0KICAgICAgICBp ZiAoIWhkZXYgfHwgKCF0ZXN0X2JpdChIQ0lfVVAsICZoZGV2LT5mbGFncykNCiAgICAgICAgICAg ICAgICAgICAgICAmJiAhdGVzdF9iaXQoSENJX0lOSVQsICZoZGV2LT5mbGFncykpKSB7DQogICAg ICAgICAgICAgICAga2ZyZWVfc2tiKHNrYik7DQogICAgICAgICAgICAgICAgcmV0dXJuIC1FTlhJ TzsNCiAgICAgICAgfQ0KDQpGb3IgKDQpIGFuZCAoNSksIGl0J3MganVzdCB1c2VkIHRvIGRlY2lk ZSBpZiB3ZSBzaG91bGQgdXBkYXRlICJoZGV2LT5zdGF0IiBvciBub3QuDQoNClJlZ2FyZHMsDQpB bWl0a3VtYXINCg==