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Fri, 10 Jul 2020 13:58:52 +0800 Received: from [10.17.3.153] (10.17.3.153) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 10 Jul 2020 13:58:51 +0800 Message-ID: <1594360692.23885.29.camel@mhfsdcap03> Subject: Re: [PATCH] usb: xhci-mtk: fix the failure of bandwidth allocation From: Chunfeng Yun To: Nicolas Boichat CC: Mathias Nyman , Greg Kroah-Hartman , , lkml , stable , "moderated list:ARM/Mediatek SoC support" , Matthias Brugger , linux-arm Mailing List , Ikjoon Jang Date: Fri, 10 Jul 2020 13:58:12 +0800 In-Reply-To: References: <1594348182-431-1-git-send-email-chunfeng.yun@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 97B22A963E31DADB986C97287E9D5D6F20148FF6D6DB6C9860D7A8A1AC4405352000:8 X-MTK: N Content-Transfer-Encoding: base64 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org T24gRnJpLCAyMDIwLTA3LTEwIGF0IDExOjE0ICswODAwLCBOaWNvbGFzIEJvaWNoYXQgd3JvdGU6 DQo+IE9uIEZyaSwgSnVsIDEwLCAyMDIwIGF0IDEwOjMwIEFNIENodW5mZW5nIFl1biA8Y2h1bmZl bmcueXVuQG1lZGlhdGVrLmNvbT4gd3JvdGU6DQo+ID4NCj4gPiBUaGUgd01heFBhY2tldFNpemUg ZmllbGQgb2YgZW5kcG9pbnQgZGVzY3JpcHRvciBtYXkgYmUgemVybw0KPiA+IGFzIGRlZmF1bHQg dmFsdWUgaW4gYWx0ZXJuYXRlIGludGVyZmFjZSwgYW5kIHRoZXkgYXJlIG5vdA0KPiA+IGFjdHVh bGx5IHNlbGVjdGVkIHdoZW4gc3RhcnQgc3RyZWFtLCBzbyBza2lwIHRoZW0gd2hlbiB0cnkgdG8N Cj4gPiBhbGxvY2F0ZSBiYW5kd2lkdGguDQo+ID4NCj4gPiBDYzogc3RhYmxlIDxzdGFibGVAdmdl ci5rZXJuZWwub3JnPg0KPiA+IFNpZ25lZC1vZmYtYnk6IENodW5mZW5nIFl1biA8Y2h1bmZlbmcu eXVuQG1lZGlhdGVrLmNvbT4NCj4gDQo+IEFkZCB0aGlzPw0KPiBGaXhlczogMGNiZDRiMzRjZGE5 ZGZkICgieGhjaTogbWVkaWF0ZWs6IHN1cHBvcnQgTVRLIHhIQ0kgaG9zdCBjb250cm9sbGVyIikN Ck9rLCB0aGFua3MNCg0KPiANCj4gPiAtLS0NCj4gPiAgZHJpdmVycy91c2IvaG9zdC94aGNpLW10 ay1zY2guYyB8IDQgKysrKw0KPiA+ICAxIGZpbGUgY2hhbmdlZCwgNCBpbnNlcnRpb25zKCspDQo+ ID4NCj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy91c2IvaG9zdC94aGNpLW10ay1zY2guYyBiL2Ry aXZlcnMvdXNiL2hvc3QveGhjaS1tdGstc2NoLmMNCj4gPiBpbmRleCBmZWE1NTU1Li40NWM1NGQ1 NiAxMDA2NDQNCj4gPiAtLS0gYS9kcml2ZXJzL3VzYi9ob3N0L3hoY2ktbXRrLXNjaC5jDQo+ID4g KysrIGIvZHJpdmVycy91c2IvaG9zdC94aGNpLW10ay1zY2guYw0KPiA+IEBAIC01NTcsNiArNTU3 LDEwIEBAIHN0YXRpYyBib29sIG5lZWRfYndfc2NoKHN0cnVjdCB1c2JfaG9zdF9lbmRwb2ludCAq ZXAsDQo+ID4gICAgICAgICBpZiAoaXNfZnNfb3JfbHMoc3BlZWQpICYmICFoYXNfdHQpDQo+ID4g ICAgICAgICAgICAgICAgIHJldHVybiBmYWxzZTsNCj4gPg0KPiA+ICsgICAgICAgLyogc2tpcCBl bmRwb2ludCB3aXRoIHplcm8gbWF4cGt0ICovDQo+ID4gKyAgICAgICBpZiAodXNiX2VuZHBvaW50 X21heHAoJmVwLT5kZXNjKSA9PSAwKQ0KPiA+ICsgICAgICAgICAgICAgICByZXR1cm4gZmFsc2U7 DQo+ID4gKw0KPiA+ICAgICAgICAgcmV0dXJuIHRydWU7DQo+ID4gIH0NCj4gPg0KPiA+IC0tDQo+ ID4gMS45LjENCj4gPiBfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXw0KPiA+IExpbnV4LW1lZGlhdGVrIG1haWxpbmcgbGlzdA0KPiA+IExpbnV4LW1lZGlhdGVr QGxpc3RzLmluZnJhZGVhZC5vcmcNCj4gPiBodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWls bWFuL2xpc3RpbmZvL2xpbnV4LW1lZGlhdGVrDQoNCg==