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: usbserial: pl2303 tx xon/xoff flow control From: Johan Hovold Message-Id: <20180516132840.GE30172@localhost> Date: Wed, 16 May 2018 15:28:40 +0200 To: Florian Zumbiehl Cc: Johan Hovold , linux-usb@vger.kernel.org List-ID: T24gTW9uLCBNYXkgMTQsIDIwMTggYXQgMDU6MTU6MTFBTSArMDIwMCwgRmxvcmlhbiBadW1iaWVo bCB3cm90ZToKPiBTdXBwb3J0IGhhcmR3YXJlLWxldmVsIFhvbi9Yb2ZmIGZsb3cgY29udHJvbCBp biB0cmFuc21pdCBkaXJlY3Rpb24gd2l0aAo+IHBsMjMwMy4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBG bG9yaWFuIFp1bWJpZWhsIDxmbG9yekBmbG9yei5kZT4KPiAtLS0KPiBOb3RlIHRoYXQgdGhlIHBh dGNoIGhhcyBvbmx5IGJlZW4gZnVsbHkgdGVzdGVkIHdpdGgga2VybmVsIDQuOS4yOCwgYW5kCj4g dGVzdC1jb21waWxlZCBhZ2FpbnN0IDQuMTYuOC4gVGVzdGVkIG9ubHkgd2l0aCB0aGUgcGwyMzAz IGFkYXB0ZXJzIEkgaGF2ZQo+IGF2YWlsYWJsZSAod2hpY2ggc2VlbSB0byBiZSB0eXBlIDAgaWYg SSBpbnRlcnByZXQgdGhlIGNvZGUgY29ycmVjdGx5KSwgSQo+IGRvbid0IGhhdmUgYSBjbHVlIHdo ZXRoZXIgdGhpcyB3b3JrcyB3aXRoIG90aGVyIHZlcnNpb25zIG9mIHRoZSBjaGlwLgoKV2hhdCdz IHRoZSB1c2ItZGV2aWNlcyAob3IgbHN1c2IgLXYpIG91dHB1dCBmb3IgeW91ciBkZXZpY2U/Cgo+ IC0tLSBsaW51eC00LjE2LjgvZHJpdmVycy91c2Ivc2VyaWFsL3BsMjMwMy5jLm9yaWcJMjAxOC0w NS0wOSAwOTo1MzoxNC4wMDAwMDAwMDAgKzAyMDAKPiArKysgbGludXgtNC4xNi44L2RyaXZlcnMv dXNiL3NlcmlhbC9wbDIzMDMuYwkyMDE4LTA1LTE0IDA0OjMyOjI3Ljg2MDc4MDg1NiArMDIwMAo+ IEBAIC01NDQsOCArNTQ0LDEyIEBAIHN0YXRpYyB2b2lkIHBsMjMwM19zZXRfdGVybWlvcyhzdHJ1 Y3QgdHQKPiAgCWludCByZXQ7Cj4gIAl1OCBjb250cm9sOwo+ICAKPiAtCWlmIChvbGRfdGVybWlv cyAmJiAhdHR5X3Rlcm1pb3NfaHdfY2hhbmdlKCZ0dHktPnRlcm1pb3MsIG9sZF90ZXJtaW9zKSkK PiAtCQlyZXR1cm47Cj4gKwlpZiAob2xkX3Rlcm1pb3MgJiYKPiArCQkhKHR0eV90ZXJtaW9zX2h3 X2NoYW5nZSgmdHR5LT50ZXJtaW9zLCBvbGRfdGVybWlvcykgfHwKPiArCQkgICgodHR5LT50ZXJt aW9zLmNfaWZsYWcgXiBvbGRfdGVybWlvcy0+Y19pZmxhZykgJiAoSVhPTiB8IElYQU5ZKSkgfHwK PiArCQkgIHR0eS0+dGVybWlvcy5jX2NjW1ZTVE9QXSAhPSBvbGRfdGVybWlvcy0+Y19jY1tWU1RP UF0gfHwKPiArCQkgIHR0eS0+dGVybWlvcy5jX2NjW1ZTVEFSVF0gIT0gb2xkX3Rlcm1pb3MtPmNf Y2NbVlNUQVJUXSkpCgpVc2UgYSBoZWxwZXIgZnVuY3Rpb24gZm9yIHRoaXMgKGlmIGV2ZXJ5dGhp bmcgaXMgaW5kZWVkIG5lZWRlZCwgc2VlCmJlbG93KS4KCj4gKwkJCXJldHVybjsKCk9kZCBpbmRl bnRhdGlvbiAod2hpY2ggY2hlY2twYXRjaCB3b3VsZCBoYXZlIGNhdWdodCkuCgo+ICAKPiAgCWJ1 ZiA9IGt6YWxsb2MoNywgR0ZQX0tFUk5FTCk7Cj4gIAlpZiAoIWJ1Zikgewo+IEBAIC02NjIsNiAr NjY2LDkgQEAgc3RhdGljIHZvaWQgcGwyMzAzX3NldF90ZXJtaW9zKHN0cnVjdCB0dAo+ICAJCQlw bDIzMDNfdmVuZG9yX3dyaXRlKHNlcmlhbCwgMHgwLCAweDQxKTsKPiAgCQllbHNlCj4gIAkJCXBs MjMwM192ZW5kb3Jfd3JpdGUoc2VyaWFsLCAweDAsIDB4NjEpOwo+ICsJfSBlbHNlIGlmIChJX0lY T04odHR5KSAmJiAhSV9JWEFOWSh0dHkpICYmCj4gKwkJICAgU1RBUlRfQ0hBUih0dHkpID09IDB4 MTEgJiYgU1RPUF9DSEFSKHR0eSkgPT0gMHgxMykgewoKSWYgdGhlIGRldmljZSBkb2VzIG5vdCBz dXBwb3J0IElYQU5ZLCBJIHRoaW5rIHlvdSBzaG91bGQganVzdCBjbGVhciB0aGF0CmJpdCB0byBp bmRpY2F0ZSBsYWNrIG9mIHN1cHBvcnQuCgpBbmQgdGhlIHN0YXJ0IGFuZCBzdG9wIGNoYXJhY3Rl cnMgY2Fubm90IGJlIG1vZGlmaWVkIChhcyBmYXIgYXMgeW91Cmtub3cpPyBUaGVuIHdlIHNob3Vs ZCBwcm9iYWJseSBzZXQgdGhlc2UgaW4gdGhlIHRlcm1pb3Mgd2hlbmV2ZXIgSVhPTiBpcwpzZXQg YXMgd2VsbCBzaW5jZSB1c2JzZXJpYWwgZG9lcyBub3Qgc3VwcG9ydCBmYWxsaW5nIGJhY2sgdG8g dGhlCmxpbmUtZGlzY2lwbGluZSBJWE9OIGltcGxlbWVudGF0aW9uLgoKPiArCQkJcGwyMzAzX3Zl bmRvcl93cml0ZShzZXJpYWwsIDB4MCwgMHhjMCk7CgpPZGQgaW5kZW50YXRpb24gYWdhaW4uCgo+ ICAJfSBlbHNlIHsKPiAgCQlwbDIzMDNfdmVuZG9yX3dyaXRlKHNlcmlhbCwgMHgwLCAweDApOwo+ ICAJfQoKVGhhbmtzLApKb2hhbgotLS0KVG8gdW5zdWJzY3JpYmUgZnJvbSB0aGlzIGxpc3Q6IHNl bmQgdGhlIGxpbmUgInVuc3Vic2NyaWJlIGxpbnV4LXVzYiIgaW4KdGhlIGJvZHkgb2YgYSBtZXNz YWdlIHRvIG1ham9yZG9tb0B2Z2VyLmtlcm5lbC5vcmcKTW9yZSBtYWpvcmRvbW8gaW5mbyBhdCAg aHR0cDovL3ZnZXIua2VybmVsLm9yZy9tYWpvcmRvbW8taW5mby5odG1sCg==