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] USB: serial: ftdi_sio: implement GPIO support for FT-X devices From: Johan Hovold Message-Id: <20180918094515.GD3943@localhost> Date: Tue, 18 Sep 2018 11:45:15 +0200 To: Karoly Pados Cc: Johan Hovold , Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Loic Poulain List-ID: T24gVHVlLCBTZXAgMTgsIDIwMTggYXQgMDk6MzU6MzVBTSArMDAwMCwgS2Fyb2x5IFBhZG9zIHdy b3RlOgo+ID4+ICsgZ290byBvdXRfZnJlZTsKPiA+PiArCj4gPj4gKyAvKiBDaGlwLXR5cGUgZ3Vl c3NpbmcgbG9naWMgYmFzZWQgb24gbGliZnRkaS4gKi8KPiA+PiArIHByaXYtPmdjLm5ncGlvID0g NDsgLyogRlQyMzBYLCBGVDIzMVggKi8KPiA+PiArIGlmIChsZTE2X3RvX2NwdShzZXJpYWwtPmRl di0+ZGVzY3JpcHRvci5iY2REZXZpY2UpICE9IDB4MTAwMCkKPiA+PiArIHByaXYtPmdjLm5ncGlv ID0gMTsgLyogRlQyMzRYRCAqLwo+ID4gCj4gPiBBcyBJIG1lbnRpb25lZCBpbiBteSBsYXN0IG1h aWw6IEkndmUgYXNrZWQgRlRESSBhYm91dCB0aGlzLCBidXQgSSBmZWFyCj4gPiB0aGF0IEZUWDIz NFhEIGhhcyBiY2REZXZpY2UgMHgxMDAwIGFuZCB3ZSBtYXkgbmVlZCB0byBqdXN0IGFsd2F5cwo+ ID4gcmVnaXN0ZXIgYWxsIGZvdXIgcGlucyBhZnRlciBhbGwuCj4gPiAKPiAKPiBUbyBhdm9pZCBt aXNzaW5nIDQuMjAsIHdoYXQgaXMgdGhlIGxhdGVzdCB0aW1lIEkgc2hvdWxkIHdhaXQgZm9yIEZU REkncyBhbnN3ZXI/Cj4gT3Igc2hvdWxkIEkganVzdCBzdWJtaXQgdjUgYXMgaXQgaXMgbm93IGFu ZCB5b3UnbGwgaW5jb3Jwb3JhdGUgRlRESSdzIGZlZWRiYWNrCj4gd2hlbiB5b3UgcmVjZWl2ZSBp dD8KCldlJ2xsIGdldCB0aGlzIGludG8gNC4yMCBlaXRoZXIgd2F5LCB0aGVyZSdzIHBsZW50eSBv ZiB0aW1lLiBCdXQgSSBndWVzcwp3ZSBjb3VsZCBwbGF5IGl0IHNhZmUgYW5kIGFsd2F5cyByZWdp c3RlciBmb3VyIHBpbnMsIGFuZCBpZi93aGVuIHdlIGdldAptb3JlIGluZm8gYWJvdXQgRlQyMzRY RCB3ZSBjYW4gaW1wbGVtZW50IHJlZ2lzdGVyaW5nIGp1c3Qgb25lIHBpbiBpbiBhCmZvbGxvdyB1 cCBwYXRjaC4KClNvdW5kcyBnb29kPyBJZiBzbyBJJ2xsIGp1c3QgbWVyZ2UgeW91ciB2NSAocmVn aXN0ZXJpbmcgZm91ciBwaW5zKSBuZXh0CndlZWsuCiAKPiA+PiArc3RhdGljIHZvaWQgZnRkaV9n cGlvX3JlbW92ZShzdHJ1Y3QgdXNiX3NlcmlhbF9wb3J0ICpwb3J0KQo+ID4+ICt7Cj4gPj4gKyBz dHJ1Y3QgZnRkaV9wcml2YXRlICpwcml2ID0gdXNiX2dldF9zZXJpYWxfcG9ydF9kYXRhKHBvcnQp Owo+ID4+ICsKPiA+PiArIGlmIChwcml2LT5ncGlvX3VzZWQpIHsKPiA+PiArIC8qIFJlbWFyazog RXhpdGluZyBDQlVTLW1vZGUgZG9lcyBub3QgcmVzZXQgcGluIHN0YXRlcyB0b28gKi8KPiA+PiAr IGZ0ZGlfZXhpdF9jYnVzX21vZGUocG9ydCk7Cj4gPj4gKyBwcml2LT5ncGlvX3VzZWQgPSBmYWxz ZTsKPiA+PiArIH0KPiA+IAo+ID4gVGhpcyBzaG91bGQgZ28gYWZ0ZXIgZGVyZWdpc3RyYXRpb24g b3Igd2UgaGF2ZSBhIHRpbnkgcmFjZSB3aW5kb3cgaGVyZS4KPiAKPiBDYW4geW91IGVsYWJvcmF0 ZSBvbiB0aGF0IHRvIG1ha2Ugc3VyZSBJIGdldCBpdCByaWdodD8gCj4gQnkgImRlcmVnaXN0cmF0 aW9uIiBkbyB5b3UgbWVhbiBkZXJlZ2lzdGVyaW5nIHRoZSBHUElPIGNoaXAgYmVsb3cgaW4gdGhl IHNhbWUgbWV0aG9kPwoKWWVzLgoKPiBEb2VzIHRoYXQgbWVhbiBzb21ldGhpbmcgY2FuIGNhbGwg aW50byBvdXIgbW9kdWxlIHdoaWxlIHRoaXMgbWV0aG9kIGlzIHJ1bm5pbmc/Cj4gSWYgbm90LCBJ J20gY2x1ZWxlc3MgYWJvdXQgdGhlIHBvc3NpYmxlIHJhY2UgaGVyZS4KCkNvcnJlY3QsIHlvdSBj YW4gZ2V0IGdwaW8gY2FsbGJhY2tzIHVudGlsIHRoZSBncGlvIGNoaXAgaGFzIGJlZW4KZGVyZWdp c3RlcmVkIChhbnl0aGluZyBjb21pbmcgaW4gYWZ0ZXIgdGhhdCB3b3VsZCBiZSBhIGdwaW9saWIg YnVnKS4KClRoYW5rcywKSm9oYW4K