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: [v5] cdc-acm: fix abnormal DATA RX issue for Mediatek Preloader. From: macpaul.lin@mediatek.com Message-Id: <1545186137.1821.5.camel@mtkswgap22> Date: Wed, 19 Dec 2018 10:22:17 +0800 To: Lars Melin Cc: Oliver Neukum , Andrey Arapov , Johan Hovold , Greg Kroah-Hartman , Mediatek WSD Upstream , linux-usb@vger.kernel.org, stable@vger.kernel.org List-ID: T24gV2VkLCAyMDE4LTEyLTE5IGF0IDAxOjQ4ICswODAwLCBNYWNwYXVsIExpbiB3cm90ZToKPiBP biBUdWUsIDIwMTgtMTItMTggYXQgMjM6NDIgKzA3MDAsIExhcnMgTWVsaW4gd3JvdGU6Cj4gPiBP biAxMi8xOC8yMDE4IDIyOjE5LCBNYWNwYXVsIExpbiB3cm90ZToKPiA+IAo+ID4gCj4gPiA+IEhp IGFsbCwKPiA+ID4gCj4gPiA+IEFmdGVyIGRvdWJsZSBjaGVjayB0aGUgUElEL1ZJRCBvZmZpY2lh bGx5IHVzZWQgKHJlZ2lzdGVyZWQpIGJ5IE1lZGlhdGVrCj4gPiA+IEluYy4gVGhlIGZvbGxvd2lu ZyBWSUQvUElEIG1hcHMgdG8gdGhlIGNvcnJlc3BvbmRpbmcgVVNCIGludGVyZmFjZSBvZgo+ID4g PiB0aGUgZmlybXdhcmUgb2YgY2VsbCBwaG9uZS4KPiA+ID4gVklEOjB4MGU4ZCwgUElEOjB4MDAw MzogTWVkaWF0ZWsgQlJPTS4KPiA+ID4gVklEOjB4MGU4ZCwgUElEOjB4MjAwMDogTWVkaWF0ZWsg UHJlbG9hZGVyLgo+ID4gPiAKPiA+ID4gSSB3aWxsIHVwZGF0ZSBQYXRjaCB2NiBmb3IgY2hhbmdp bmcgQW5kcmV5J3MgcHJldmlvdXMgY29tbWVudHMuCj4gPiA+IAo+ID4gCj4gPiBZb3Ugc2hvdWxk IHNob3cgdXMgYSB2ZXJib3NlIGxzdXNiIG9mIHlvdXIgMGU4ZDowMDAzIGJlZm9yZSBjaGFuZ2lu Zwo+ID4gQW5kcmV5J3Mgc3VibWlzc2lvbi4KPiA+IAo+ID4gCj4gPiBTZWFzb24ncyBHcmVldGlu Zwo+ID4gTGFycwo+IAo+IEhpIExhcnMsIE9saXZlciwgYW5kIEpvaGFuLAo+IAo+IFdlbGwsIGl0 J3MgYWJvdXQgMTozMCBhLm0uIGhlcmUgaW4gVGFpd2FuLiBJIGNhbiBkbyBsc3VzYiBkdW1wIHRv bW9ycm93Cj4gaW4gTWVkaWF0ZWsncyBvZmZpY2UuCj4gQnV0IHRoZXJlIGFyZSBhIGxvdCBvZiB0 dXRvcmlhbHMgYWJvdXQgaGFja2luZyBhbmQgZmxhc2ggbWV0aG9kIG9mCj4gY3VzdG9taXplZCBm aXJtd2FyZSBvdmVyIHRoZSBXV1cuIEkgY2FuIGZpbmQgb25lIG9mIHRoZSB0dXRvcmlhbCBzaG93 cwo+IHRoZXNlIFZJRC9QSUQgY29tYmluYXRpb25zIGhhcyBiZWVuIHVzZWQgc2luY2UgMjAxNC4K PiAoQWN0dWFsbHkgdGhleSd2ZSBiZWVuIHJlZ2lzdGVyZWQgb2ZmaWNpYWxseSBlYXJsaWVyIHRo YW4gMjAxNC4pCj4gCj4gRm9yIGV4YW1wbGUsIHBsZWFzZSBjaGVjayB0aGUgcmVmZXJlbmNlIHR1 dG9yaWFsOgo+IGh0dHBzOi8vbWF0dGJveWVyLmdpdGh1Yi5pby9QWWFmZnMvMjAxNC8wNy8zMS9I YWNrbG9nJTIzMy5odG1sCj4gWW91IGNhbiBjaGVjayBsc3VzYiBkdW1wIGluIHRoaXMgcGljdHVy ZS4KPiBodHRwczovL21hdHRib3llci5naXRodWIuaW8vUFlhZmZzL2ltYWdlcy8wM19kZXZpY2Vf dXNidmlldy5wbmcKPiBCb3RoIFZJRC9QSUQgb2YgTWVkaWF0ZWsgQlJPTSBhbmQgUHJlbG9hZGVy IGNhbiBiZSBmb3VuZCBpbiBJTkYgZmlsZQo+IHBhc3RlZCBpbiB0aGlzIHR1dG9yaWFsLCB0b28u Cj4gU29ycnkgZm9yIHRoZSBwcm9wcmlldGFyeSBpbmZvcm1hdGlvbiBwb2xpY3kgSSBjYW5ub3Qg cGFzdGUgdGhlbSBhbGwsCj4gYnV0IHRoZSBWSUQvUElEIHNldCBvZiBCUk9NIGFuZCBQcmVsb2Fk ZXIgYXJlIGp1c3QgZXhhY3RseSB0aGUgc2FtZQo+IGFzIGRlc2NyaWJlZCBpbiB0aGlzIHR1dG9y aWFsLgo+IAoKSGkgYWxsLApIZXJlIGlzIHRoZSBsc3VzYiBkdW1wIG9mIHRoZSBCUk9NIGFuZCBQ cmVsb2FkZXIgc3RhdGUgb2YgdGhlIHBob25lLgoKbHN1c2Igb2YgQlJPTToKQnVzIDAwMSBEZXZp Y2UgMDEyOiBJRCAwZThkOjAwMDMgTWVkaWFUZWsgSW5jLiBNVDYyMjcgcGhvbmUKCmxzdXNiIG9m IFByZWxvYWRlcjoKQnVzIDAwMSBEZXZpY2UgMDExOiBJRCAwZThkOjIwMDAgTWVkaWFUZWsgSW5j LiBNVDY1eHggUHJlbG9hZGVyCgpkbWVzZyBvZiBCUk9NOgpbNTIxMzguODQ5MjMzXSB1c2IgMS0x OiBuZXcgaGlnaC1zcGVlZCBVU0IgZGV2aWNlIG51bWJlciAxMiB1c2luZwplaGNpLXBjaQpbNTIx MzkuMjUyNTU3XSB1c2IgMS0xOiBOZXcgVVNCIGRldmljZSBmb3VuZCwgaWRWZW5kb3I9MGU4ZCwK aWRQcm9kdWN0PTAwMDMKWzUyMTM5LjI1MjU1OV0gdXNiIDEtMTogTmV3IFVTQiBkZXZpY2Ugc3Ry aW5nczogTWZyPTAsIFByb2R1Y3Q9MCwKU2VyaWFsTnVtYmVyPTAKWzUyMTM5LjI2MDE3OV0gY2Rj X2FjbSAxLTE6MS4wOiB0dHlBQ00wOiBVU0IgQUNNIGRldmljZQoKZG1lc2cgb2YgUHJlbG9hZGVy OgpbNTIxNDUuMDUyOTUyXSB1c2IgMS0xOiBuZXcgaGlnaC1zcGVlZCBVU0IgZGV2aWNlIG51bWJl ciAxMyB1c2luZwplaGNpLXBjaQpbNTIxNDUuNDEwNDMyXSB1c2IgMS0xOiBOZXcgVVNCIGRldmlj ZSBmb3VuZCwgaWRWZW5kb3I9MGU4ZCwKaWRQcm9kdWN0PTIwMDAKWzUyMTQ1LjQxMDQzNF0gdXNi IDEtMTogTmV3IFVTQiBkZXZpY2Ugc3RyaW5nczogTWZyPTEsIFByb2R1Y3Q9MiwKU2VyaWFsTnVt YmVyPTAKWzUyMTQ1LjQxMDQzNV0gdXNiIDEtMTogUHJvZHVjdDogTVQ2NXh4IFByZWxvYWRlcgpb NTIxNDUuNDEwNDM3XSB1c2IgMS0xOiBNYW51ZmFjdHVyZXI6IE1lZGlhVGVrCgpSZWdhcmRzLApN YWNwYXVsIExpbgo=