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: [V4,1/3] USB: serial: f81232: clear overrun flag From: Oliver Neukum Message-Id: <1554208674.6310.33.camel@suse.com> Date: Tue, 02 Apr 2019 14:37:54 +0200 To: "Ji-Ze Hong \(Peter Hong\)" , peter_hong@fintek.com.tw, johan@kernel.org, gregkh@linuxfoundation.org Cc: "Ji-Ze Hong \(Peter Hong\)" , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org List-ID: T24gRGksIDIwMTktMDQtMDIgYXQgMTM6MjYgKzA4MDAsICBKaS1aZSBIb25nIChQZXRlciBIb25n KSAgd3JvdGU6Cj4gVGhlIEY4MTIzMiB3aWxsIHJlcG9ydCBkYXRhIGFuZCBMU1Igd2l0aCBidWxr IGxpa2UgZm9sbG93aW5nIGZvcm1hdDoKPiBidWxrLWluIGRhdGE6IFtMU1IoMUJ5dGUpK0RBVEEo MUJ5dGUpXVtMU1IoMUJ5dGUpK0RBVEEoMUJ5dGUpXS4uLgo+IAo+IExTUiB3aWxsIGF1dG8gY2xl YXIgZnJhbWUvcGFyaXR5L2JyZWFrIGVycm9yIGZsYWcgd2hlbiByZWFkaW5nIGJ5IEgvVywKPiBi dXQgb3ZlcnJydW4gd2lsbCBvbmx5IGNsZWFyZWQgd2hlbiByZWFkaW5nIExTUi4gU28gdGhpcyBw YXRjaCBhZGQgYQo+IHdvcmtlciB0byByZWFkIExTUiB3aGVuIG92ZXJydW4gYW5kIGZsdXNoIHRo ZSB3b3JrZXIgb24gY2xvc2UoKSAmCj4gc3VzcGVuZCgpLgoKSGksCgpJIHJlYWxseSBoYXRlIGRv aW5nIHRoaXMgdG8geW91LCBidXQgeW91IGFyZSBleGNoYW5naW5nIG9uZSByYWNlCmNvbmRpdGlv biBmb3IgYW5vdGhlciByYWNlLiBFeGFjdCBleHBsYW5hdGlvbiBiZWxvdy4KCj4gQEAgLTMxNSw2 ICszMTksNyBAQCBzdGF0aWMgdm9pZCBmODEyMzJfcHJvY2Vzc19yZWFkX3VyYihzdHJ1Y3QgdXJi ICp1cmIpCj4gIAo+ICAJCQlpZiAobHNyICYgVUFSVF9MU1JfT0UpIHsKPiAgCQkJCXBvcnQtPmlj b3VudC5vdmVycnVuKys7Cj4gKwkJCQlzY2hlZHVsZV93b3JrKCZwcml2LT5sc3Jfd29yayk7CgpB Z2FpbiB5b3Ugc2NoZWR1bGUgdGhlIHdvcmsuIEl0IG1heSBydW4gYW55dGltZS4KVGhlIGNoZWNr IHlvdSBwdXQgaW50byB0aGUgd29yayBpdGVtIG5lZWRzIHRvIGdvIGhlcmUuCiAKPiArc3RhdGlj IHZvaWQgZjgxMjMyX2xzcl93b3JrZXIoc3RydWN0IHdvcmtfc3RydWN0ICp3b3JrKQo+ICt7Cj4g KwlzdHJ1Y3QgZjgxMjMyX3ByaXZhdGUgKnByaXY7Cj4gKwlzdHJ1Y3QgdXNiX3NlcmlhbF9wb3J0 ICpwb3J0Owo+ICsJc3RydWN0IHVzYl9zZXJpYWwgKnNlcmlhbDsKPiArCWludCBzdGF0dXM7Cj4g Kwl1OCB0bXA7Cj4gKwo+ICsJcHJpdiA9IGNvbnRhaW5lcl9vZih3b3JrLCBzdHJ1Y3QgZjgxMjMy X3ByaXZhdGUsIGxzcl93b3JrKTsKPiArCXBvcnQgPSBwcml2LT5wb3J0Owo+ICsJc2VyaWFsID0g cG9ydC0+c2VyaWFsOwo+ICsKPiArCWlmIChzZXJpYWwtPnN1c3BlbmRpbmcpIHsKClRoZXJlIGlz IG5vIGxvY2tpbmcuIGY4MTIzMl9yZXN1bWUoKSBjYW4gcnVuIGhlcmUuClRoaXMgdGVzdAppZiAo cG9ydF9wcml2LT5sc3Jfd29ya19yZXNjaGVkKSB7CndpbGwgZXZhbHVhdGUgdG8gZmFsc2UKCj4g KwkJcHJpdi0+bHNyX3dvcmtfcmVzY2hlZCA9IHRydWU7Cj4gKwkJcmV0dXJuOwo+ICsJfQo+ICsK PiArCXN0YXR1cyA9IGY4MTIzMl9nZXRfcmVnaXN0ZXIocG9ydCwgTElORV9TVEFUVVNfUkVHSVNU RVIsICZ0bXApOwo+ICsJaWYgKHN0YXR1cykKPiArCQlkZXZfd2FybigmcG9ydC0+ZGV2LCAicmVh ZCBMU1IgZmFpbGVkOiAlZFxuIiwgc3RhdHVzKTsKPiArfQo+ICsKPiAgc3RhdGljIGludCBmODEy MzJfcG9ydF9wcm9iZShzdHJ1Y3QgdXNiX3NlcmlhbF9wb3J0ICpwb3J0KQo+ICB7Cj4gIAlzdHJ1 Y3QgZjgxMjMyX3ByaXZhdGUgKnByaXY7Cj4gQEAgLTYxMyw2ICs2NDMsNyBAQCBzdGF0aWMgaW50 IGY4MTIzMl9wb3J0X3Byb2JlKHN0cnVjdCB1c2Jfc2VyaWFsX3BvcnQgKnBvcnQpCj4gIAo+ICAJ bXV0ZXhfaW5pdCgmcHJpdi0+bG9jayk7Cj4gIAlJTklUX1dPUksoJnByaXYtPmludGVycnVwdF93 b3JrLCAgZjgxMjMyX2ludGVycnVwdF93b3JrKTsKPiArCUlOSVRfV09SSygmcHJpdi0+bHNyX3dv cmssIGY4MTIzMl9sc3Jfd29ya2VyKTsKPiAgCj4gIAl1c2Jfc2V0X3NlcmlhbF9wb3J0X2RhdGEo cG9ydCwgcHJpdik7Cj4gIAo+IEBAIC02MzIsNiArNjYzLDMwIEBAIHN0YXRpYyBpbnQgZjgxMjMy X3BvcnRfcmVtb3ZlKHN0cnVjdCB1c2Jfc2VyaWFsX3BvcnQgKnBvcnQpCj4gIAlyZXR1cm4gMDsK PiAgfQo+ICAKPiArc3RhdGljIGludCBmODEyMzJfc3VzcGVuZChzdHJ1Y3QgdXNiX3NlcmlhbCAq c2VyaWFsLCBwbV9tZXNzYWdlX3QgbWVzc2FnZSkKPiArewo+ICsJc3RydWN0IGY4MTIzMl9wcml2 YXRlICpwb3J0X3ByaXY7Cj4gKwo+ICsJcG9ydF9wcml2ID0gdXNiX2dldF9zZXJpYWxfcG9ydF9k YXRhKHNlcmlhbC0+cG9ydFswXSk7Cj4gKwlmbHVzaF93b3JrKCZwb3J0X3ByaXYtPmxzcl93b3Jr KTsKClN0cmljdGx5IHNwZWFraW5nIHVzZWxlc3MuCgo+ICsKPiArCXJldHVybiAwOwo+ICt9Cj4g Kwo+ICtzdGF0aWMgaW50IGY4MTIzMl9yZXN1bWUoc3RydWN0IHVzYl9zZXJpYWwgKnNlcmlhbCkK PiArewo+ICsJc3RydWN0IGY4MTIzMl9wcml2YXRlICpwb3J0X3ByaXY7Cj4gKwo+ICsJcG9ydF9w cml2ID0gdXNiX2dldF9zZXJpYWxfcG9ydF9kYXRhKHNlcmlhbC0+cG9ydFswXSk7Cj4gKwo+ICsJ aWYgKHBvcnRfcHJpdi0+bHNyX3dvcmtfcmVzY2hlZCkgewo+ICsJCXBvcnRfcHJpdi0+bHNyX3dv cmtfcmVzY2hlZCA9IGZhbHNlOwoKU3RyaWN0bHkgc3BlYWtpbmcgZXZlbiB0aGF0IGlzIGEgcmFj ZSwgYXMgeW91IGhhdmUgbm8gZ3VhcmFudGVlIHRoYXQKeW91ciB3b3JrIHF1ZXVlIGlzIHJ1biBi ZWZvcmUgdGhlIHN5c3RlbSBpcyBzdXNwZW5kZWQgYWdhaW4uIFlvdQphcmUgaW4gYSB0YXNrIGNv bnRleHQuIFRoZXJlIGlzIG5vIHJlYXNvbiB0byBkZWZlciBhY3Rpb24uCgo+ICsJCXNjaGVkdWxl X3dvcmsoJnBvcnRfcHJpdi0+bHNyX3dvcmspOwo+ICsJfQo+ICsKPiArCXJldHVybiB1c2Jfc2Vy aWFsX2dlbmVyaWNfcmVzdW1lKHNlcmlhbCk7Cj4gK30KCglSZWdhcmRzCgkJT2xpdmVyCg==