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: [V5,1/3] USB: serial: f81232: clear overrun flag From: Oliver Neukum Message-Id: <1554278395.20869.5.camel@suse.com> Date: Wed, 03 Apr 2019 09:59:55 +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: T24gTWksIDIwMTktMDQtMDMgYXQgMTQ6MjYgKzA4MDAsICBKaS1aZSBIb25nIChQZXRlciBIb25n KSAgd3JvdGU6Cj4gVGhlIEY4MTIzMiB3aWxsIHJlcG9ydCBkYXRhIGFuZCBMU1Igd2l0aCBidWxr IGxpa2UgZm9sbG93aW5nIGZvcm1hdDoKPiBidWxrLWluIGRhdGE6IFtMU1IoMUJ5dGUpK0RBVEEo MUJ5dGUpXVtMU1IoMUJ5dGUpK0RBVEEoMUJ5dGUpXS4uLgo+IAo+IExTUiB3aWxsIGF1dG8gY2xl YXIgZnJhbWUvcGFyaXR5L2JyZWFrIGVycm9yIGZsYWcgd2hlbiByZWFkaW5nIGJ5IEgvVywKPiBi dXQgb3ZlcnJydW4gd2lsbCBvbmx5IGNsZWFyZWQgd2hlbiByZWFkaW5nIExTUi4gU28gdGhpcyBw YXRjaCBhZGQgYQo+IHdvcmtlciB0byByZWFkIExTUiB3aGVuIG92ZXJydW4gYW5kIGZsdXNoIHRo ZSB3b3JrZXIgb24gY2xvc2UoKSAmCj4gc3VzcGVuZCgpLgoKSGksCgpJIGFtIG1vc3Qgc29ycnkg dG8gY29tcGxhaW4gYWdhaW4uIFBsZWFzZSBmb3JnaXZlIG1lIGZvciBiZWluZyBsZXNzCmNsZWFy IHRoYW4gbmVjZXNzYXJ5LgoKPiAKPiBDYzogT2xpdmVyIE5ldWt1bSA8b25ldWt1bUBzdXNlLmNv bT4KPiBTaWduZWQtb2ZmLWJ5OiBKaS1aZSBIb25nIChQZXRlciBIb25nKSA8aHBldGVyK2xpbnV4 X2tlcm5lbEBnbWFpbC5jb20+Cj4gLS0tCj4gdjU6Cj4gCTE6IFNvdXJjZSBjb2RlIGJhc2UgcmV2 ZXJ0IHRvIHYzIGFuZCByZW1vdmUgYWxsIHY0IGNoYW5nZXMuCj4gCTI6IEFkZCBzZXJpYWwtPnN1 c3BlbmRpbmcgY2hlY2sgaW4gZjgxMjMyX3Byb2Nlc3NfcmVhZF91cmIoKQo+IAkgICBiZWZvcmUg c2NoZWR1bGVfd29yaygmcHJpdi0+bHNyX3dvcmspIHRvIGF2b2lkIHJhY2UgY29uZGl0aW9uLgo+ IAo+IHY0Ogo+IAkxOiBBZGQgc2VyaWFsLT5zdXNwZW5kaW5nIGNoZWNrIGluIGY4MTIzMl9sc3Jf d29ya2VyKCkgdG8gYXZvaWQKPiAJICAgcmUtdHJpZ2dlcgo+IAkyOiBBZGQgcG9ydF9wcml2LWxz cl93b3JrX3Jlc2NoZWQgdG8gcmUtdHJpZ2dlciBMU1Igd29ya2VyCj4gCj4gdjM6Cj4gCTE6IEFk ZCBmbHVzaF93b3JrKCZwb3J0X3ByaXYtPmxzcl93b3JrKSBpbiBmODEyMzJfc3VzcGVuZCgpLgo+ IAo+IHYyOgo+IAkxOiBBZGQgZmx1c2hfd29yaygmcG9ydF9wcml2LT5sc3Jfd29yaykgaW4gZjgx MjMyX2Nsb3NlKCkuCj4gCj4gIGRyaXZlcnMvdXNiL3NlcmlhbC9mODEyMzIuYyB8IDM3ICsrKysr KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysKPiAgMSBmaWxlIGNoYW5nZWQsIDM3IGlu c2VydGlvbnMoKykKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy91c2Ivc2VyaWFsL2Y4MTIzMi5j IGIvZHJpdmVycy91c2Ivc2VyaWFsL2Y4MTIzMi5jCj4gaW5kZXggMGRjZGNiNGIyY2RlLi5kOGEw YmI3YTQxZjAgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy91c2Ivc2VyaWFsL2Y4MTIzMi5jCj4gKysr IGIvZHJpdmVycy91c2Ivc2VyaWFsL2Y4MTIzMi5jCj4gQEAgLTQxLDEyICs0MSwxNCBAQCBNT0RV TEVfREVWSUNFX1RBQkxFKHVzYiwgaWRfdGFibGUpOwo+ICAjZGVmaW5lIEZJRk9fQ09OVFJPTF9S RUdJU1RFUgkJKDB4MDIgKyBTRVJJQUxfQkFTRV9BRERSRVNTKQo+ICAjZGVmaW5lIExJTkVfQ09O VFJPTF9SRUdJU1RFUgkJKDB4MDMgKyBTRVJJQUxfQkFTRV9BRERSRVNTKQo+ICAjZGVmaW5lIE1P REVNX0NPTlRST0xfUkVHSVNURVIJCSgweDA0ICsgU0VSSUFMX0JBU0VfQUREUkVTUykKPiArI2Rl ZmluZSBMSU5FX1NUQVRVU19SRUdJU1RFUgkJKDB4MDUgKyBTRVJJQUxfQkFTRV9BRERSRVNTKQo+ ICAjZGVmaW5lIE1PREVNX1NUQVRVU19SRUdJU1RFUgkJKDB4MDYgKyBTRVJJQUxfQkFTRV9BRERS RVNTKQo+ICAKPiAgc3RydWN0IGY4MTIzMl9wcml2YXRlIHsKPiAgCXN0cnVjdCBtdXRleCBsb2Nr Owo+ICAJdTggbW9kZW1fY29udHJvbDsKPiAgCXU4IG1vZGVtX3N0YXR1czsKCkhlcmUgeW91IG5l ZWQgYSBmbGFnCgpib29sIGRlZmVycmVkX2xzcl93b3JrX25lZWRlZDsKPiArCXN0cnVjdCB3b3Jr X3N0cnVjdCBsc3Jfd29yazsKPiAgCXN0cnVjdCB3b3JrX3N0cnVjdCBpbnRlcnJ1cHRfd29yazsK PiAgCXN0cnVjdCB1c2Jfc2VyaWFsX3BvcnQgKnBvcnQ7Cj4gIH07Cj4gQEAgLTI4Miw2ICsyODQs OCBAQCBzdGF0aWMgdm9pZCBmODEyMzJfcmVhZF9pbnRfY2FsbGJhY2soc3RydWN0IHVyYiAqdXJi KQo+ICBzdGF0aWMgdm9pZCBmODEyMzJfcHJvY2Vzc19yZWFkX3VyYihzdHJ1Y3QgdXJiICp1cmIp Cj4gIHsKPiAgCXN0cnVjdCB1c2Jfc2VyaWFsX3BvcnQgKnBvcnQgPSB1cmItPmNvbnRleHQ7Cj4g KwlzdHJ1Y3QgdXNiX3NlcmlhbCAqc2VyaWFsID0gcG9ydC0+c2VyaWFsOwo+ICsJc3RydWN0IGY4 MTIzMl9wcml2YXRlICpwcml2ID0gdXNiX2dldF9zZXJpYWxfcG9ydF9kYXRhKHBvcnQpOwo+ICAJ dW5zaWduZWQgY2hhciAqZGF0YSA9IHVyYi0+dHJhbnNmZXJfYnVmZmVyOwo+ICAJY2hhciB0dHlf ZmxhZzsKPiAgCXVuc2lnbmVkIGludCBpOwo+IEBAIC0zMTUsNiArMzE5LDkgQEAgc3RhdGljIHZv aWQgZjgxMjMyX3Byb2Nlc3NfcmVhZF91cmIoc3RydWN0IHVyYiAqdXJiKQo+ICAKPiAgCQkJaWYg KGxzciAmIFVBUlRfTFNSX09FKSB7Cj4gIAkJCQlwb3J0LT5pY291bnQub3ZlcnJ1bisrOwo+ICsK PiArCQkJCWlmICghc2VyaWFsLT5zdXNwZW5kaW5nKQo+ICsJCQkJCXNjaGVkdWxlX3dvcmsoJnBy aXYtPmxzcl93b3JrKTsKWWVzLCBidXQgeW91IGNhbm5vdCBqdXN0IGRyb3AgaXQuIFlvdSBhbHNv IG5lZWQKCmVsc2UKCXByaXYtPmRlZmVycmVkX2xzcl93b3JrX25lZWRlZCA9IHRydWU7Cj4gIAkJ CQl0dHlfaW5zZXJ0X2ZsaXBfY2hhcigmcG9ydC0+cG9ydCwgMCwKPiAgCQkJCQkJVFRZX09WRVJS VU4pOwo+ICAJCQl9Cj4gQEAgLTU1Niw5ICs1NjMsMTIgQEAgc3RhdGljIGludCBmODEyMzJfb3Bl bihzdHJ1Y3QgdHR5X3N0cnVjdCAqdHR5LCBzdHJ1Y3QgdXNiX3NlcmlhbF9wb3J0ICpwb3J0KQo+ ICAKPiAgc3RhdGljIHZvaWQgZjgxMjMyX2Nsb3NlKHN0cnVjdCB1c2Jfc2VyaWFsX3BvcnQgKnBv cnQpCj4gIHsKPiArCXN0cnVjdCBmODEyMzJfcHJpdmF0ZSAqcG9ydF9wcml2ID0gdXNiX2dldF9z ZXJpYWxfcG9ydF9kYXRhKHBvcnQpOwo+ICsKPiAgCWY4MTIzMl9wb3J0X2Rpc2FibGUocG9ydCk7 Cj4gIAl1c2Jfc2VyaWFsX2dlbmVyaWNfY2xvc2UocG9ydCk7Cj4gIAl1c2Jfa2lsbF91cmIocG9y dC0+aW50ZXJydXB0X2luX3VyYik7Cj4gKwlmbHVzaF93b3JrKCZwb3J0X3ByaXYtPmxzcl93b3Jr KTsKPiAgfQo+ICAKPiAgc3RhdGljIHZvaWQgZjgxMjMyX2R0cl9ydHMoc3RydWN0IHVzYl9zZXJp YWxfcG9ydCAqcG9ydCwgaW50IG9uKQo+IEBAIC02MDMsNiArNjEzLDIxIEBAIHN0YXRpYyB2b2lk ICBmODEyMzJfaW50ZXJydXB0X3dvcmsoc3RydWN0IHdvcmtfc3RydWN0ICp3b3JrKQo+ICAJZjgx MjMyX3JlYWRfbXNyKHByaXYtPnBvcnQpOwo+ICB9Cj4gIAo+ICtzdGF0aWMgdm9pZCBmODEyMzJf bHNyX3dvcmtlcihzdHJ1Y3Qgd29ya19zdHJ1Y3QgKndvcmspCj4gK3sKPiArCXN0cnVjdCBmODEy MzJfcHJpdmF0ZSAqcHJpdjsKPiArCXN0cnVjdCB1c2Jfc2VyaWFsX3BvcnQgKnBvcnQ7Cj4gKwlp bnQgc3RhdHVzOwo+ICsJdTggdG1wOwo+ICsKPiArCXByaXYgPSBjb250YWluZXJfb2Yod29yaywg c3RydWN0IGY4MTIzMl9wcml2YXRlLCBsc3Jfd29yayk7Cj4gKwlwb3J0ID0gcHJpdi0+cG9ydDsK PiArCj4gKwlzdGF0dXMgPSBmODEyMzJfZ2V0X3JlZ2lzdGVyKHBvcnQsIExJTkVfU1RBVFVTX1JF R0lTVEVSLCAmdG1wKTsKPiArCWlmIChzdGF0dXMpCj4gKwkJZGV2X3dhcm4oJnBvcnQtPmRldiwg InJlYWQgTFNSIGZhaWxlZDogJWRcbiIsIHN0YXR1cyk7Cj4gK30KPiArCj4gIHN0YXRpYyBpbnQg ZjgxMjMyX3BvcnRfcHJvYmUoc3RydWN0IHVzYl9zZXJpYWxfcG9ydCAqcG9ydCkKPiAgewo+ICAJ c3RydWN0IGY4MTIzMl9wcml2YXRlICpwcml2Owo+IEBAIC02MTMsNiArNjM4LDcgQEAgc3RhdGlj IGludCBmODEyMzJfcG9ydF9wcm9iZShzdHJ1Y3QgdXNiX3NlcmlhbF9wb3J0ICpwb3J0KQo+ICAK PiAgCW11dGV4X2luaXQoJnByaXYtPmxvY2spOwo+ICAJSU5JVF9XT1JLKCZwcml2LT5pbnRlcnJ1 cHRfd29yaywgIGY4MTIzMl9pbnRlcnJ1cHRfd29yayk7Cj4gKwlJTklUX1dPUksoJnByaXYtPmxz cl93b3JrLCBmODEyMzJfbHNyX3dvcmtlcik7Cj4gIAo+ICAJdXNiX3NldF9zZXJpYWxfcG9ydF9k YXRhKHBvcnQsIHByaXYpOwo+ICAKPiBAQCAtNjMyLDYgKzY1OCwxNiBAQCBzdGF0aWMgaW50IGY4 MTIzMl9wb3J0X3JlbW92ZShzdHJ1Y3QgdXNiX3NlcmlhbF9wb3J0ICpwb3J0KQo+ICAJcmV0dXJu IDA7Cj4gIH0KPiAgCj4gK3N0YXRpYyBpbnQgZjgxMjMyX3N1c3BlbmQoc3RydWN0IHVzYl9zZXJp YWwgKnNlcmlhbCwgcG1fbWVzc2FnZV90IG1lc3NhZ2UpCj4gK3sKPiArCXN0cnVjdCBmODEyMzJf cHJpdmF0ZSAqcG9ydF9wcml2Owo+ICsKPiArCXBvcnRfcHJpdiA9IHVzYl9nZXRfc2VyaWFsX3Bv cnRfZGF0YShzZXJpYWwtPnBvcnRbMF0pOwo+ICsJZmx1c2hfd29yaygmcG9ydF9wcml2LT5sc3Jf d29yayk7Cj4gKwo+ICsJcmV0dXJuIDA7Cj4gK30KCkFuZCB5b3UgZG8gbmVlZCBhIHJlc3VtZSwg d2hpY2ggeW91IGhhZCBpbiB2ZXJzaW9uIHY0IHRvIGNoZWNrCnRoZSAgZGVmZXJyZWRfbHNyX3dv cmtfbmVlZGVkIGZsYWcgYW5kIHNjaGVkdWxlIHRoZSB3b3JrIGlmIGl0IGlzCnNldC4KCglNb3N0 IHNvcnJ5CgkJT2xpdmVyCg==