From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frank Kunz Subject: Re: serdev: How to attach serdev devices to USB based tty devices? Date: Tue, 21 Aug 2018 18:32:42 +0200 Message-ID: References: <3639955d-5990-1c82-7158-ac07b33c41f2@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <3639955d-5990-1c82-7158-ac07b33c41f2@suse.de> Content-Language: de-DE List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: =?UTF-8?Q?Andreas_F=c3=a4rber?= , Rob Herring , "linux-serial@vger.kernel.org" , linux-usb@vger.kernel.org Cc: Linux-MIPS , Xue Liu , Ben Whitten , devicetree@vger.kernel.org, "netdev@vger.kernel.org" , Oliver Neukum , Alexander Graf , "LoRa_Community_Support@semtech.com" , Jian-Hong Pan , Stefan Rehm , "linux-arm-kernel@lists.infradead.org" List-Id: devicetree@vger.kernel.org QW0gMTQuMDguMjAxOCB1bSAwNDoyOCBzY2hyaWViIEFuZHJlYXMgRsOkcmJlcjoKPiBIaSBSb2Ig ZXQgYWwuLAo+IAo+IEZvciBteSBMb1JhIG5ldHdvcmsgZHJpdmVyIHByb2plY3QgWzFdIEkgaGF2 ZSBmb3VuZCB5b3VyIHNlcmRldgo+IGZyYW1ld29yayB0byBiZSBhIHZhbHVhYmxlIGhlbHAgZm9y IGRlYWxpbmcgd2l0aCBoYXJkd2FyZSBtb2R1bGVzCj4gZXhwb3Npbmcgc29tZSB0ZXh0dWFsIG9y IGJpbmFyeSBVQVJUIGludGVyZmFjZS4KPiAKPiBJbiBwYXJ0aWN1bGFyIG9uIGFybSg2NCkgYW5k IG1pcHMgdGhpcyBhbGxvd3MgdG8gZGVmaW5lIGFuIHVubGltaXRlZAo+IG51bWJlciBvZiBzZXJk ZXYgZHJpdmVycyBbMl0gdGhhdCBhcmUgYXNzb2NpYXRlZCB2aWEgdGhlaXIgRGV2aWNlIFRyZWUK PiBjb21wYXRpYmxlIHN0cmluZyBhbmQgY2FuIG9wdGlvbmFsbHkgYmUgY29uZmlndXJlZCB2aWEg RFQgcHJvcGVydGllcy4KPiAKPiBBbmQgaW4gdGhlb3J5IGl0IHNlZW1zIHNlcmRldiBoYXMgYWxz byBncm93biBzdXBwb3J0IGZvciBBQ1BJLgo+IAo+IE5vdywgYSBncm93aW5nIG51bWJlciBvZiB2 ZW5kb3JzIGFyZSBwbGFjaW5nIHN1Y2ggbW9kdWxlcyBvbiBhIFVTQiBzdGljawo+IGZvciBlYXN5 IGV2YWx1YXRpb24gb24geDg2XzY0IFBDIGhhcmR3YXJlLCBvciBhcmUgZGVzaWduaW5nIG1QQ0ll IG9yIE0uMgo+IGNhcmRzIHVzaW5nIHRoZWlyIFVTQiBwaW5zLiBXaGlsZSBJIGRvIG5vdCB5ZXQg aGF2ZSBhY2Nlc3MgdG8gc3VjaCBhCj4gZGV2aWNlIG15c2VsZiwgaXQgaXMgbXkgdW5kZXJzdGFu ZGluZyB0aGF0IGRldmljZXMgd2l0aCBVU0ItVUFSVCBicmlkZ2UKPiBjaGlwc2V0cyAoZS5nLiwg RlRESSkgd2lsbCBzaG93IHVwIGFzIC9kZXYvdHR5VVNCeCBhbmQgZGV2aWNlcyB3aXRoIGFuCj4g TUNVIGltcGxlbWVudGluZyB0aGUgQ0RDIFVTQiBwcm90b2NvbCAoZS5nLiwgUGljby1jZWxsIGdh dGV3YXkgPSBwaWNvR1cpCj4gd2lsbCBzaG93IHVwIGFzIC9kZXYvdHR5QUNNeC4KPiBPbiB0aGUg UmFzcGJlcnJ5IFBpIEkndmUgc2VlbiB0aGF0IERldmljZSBUcmVlIG5vZGVzIGNhbiBiZSB1c2Vk IHRvIHBhc3MKPiBpbmZvcm1hdGlvbiB0byBvbi1ib2FyZCBkZXZpY2VzIHN1Y2ggYXMgTUFDIGFk ZHJlc3MgdG8gRXRoZXJuZXQgY2hpcHNldCwKPiBidXQgdGhhdCBkb2VzIG5vdCBzZWVtIGFsbCB0 aGF0IHVzZWZ1bCBmb3IgcGFzc2luZyBhIHNlcmRldiBjaGlsZCBub2RlCj4gdG8gaG90LXBsdWdn ZWQgZGV2aWNlcyBhdCB1bnByZWRpY3RhYmxlIGh1Yi9wb3J0IGxvY2F0aW9uICh3aGVyZSBpdAo+ IHNob3VsZCBub3QgaW50ZXJmZXJlIHdpdGggcmVndWxhciBVU0ItVUFSVCBjYWJsZXMgZm9yIGRl YnVnZ2luZyksIG5vcgo+IHdvdWxkIGl0IGhlbHAgQUNQSSBiYXNlZCBwbGF0Zm9ybXMgc3VjaCBh cyB4ODZfNjQuCj4gCj4gTXkgaWRlYSB0aGVuIHdhcyB0aGF0IGlmIHdlIGhhZCBzb21lIHVuaXF1 ZSBjcml0ZXJpYSBsaWtlIHZlbmRvciBhbmQKPiBwcm9kdWN0IElEcyAob3Igd2hhdGV2ZXIgaXMg c3VwcG9ydGVkIGluIHVzYl9kZXZpY2VfaWQpLCB3ZSBjb3VsZCB3cml0ZQo+IGEgdXNiX2RyaXZl ciB3aXRoIHN1aXRhYmxlIFVTQl9ERVZJQ0UqKCkgbWFjcm8uIEluIGl0cyBwcm9iZSBmdW5jdGlv biB3ZQo+IGNvdWxkIGNhbGwgaW50byB0aGUgZXhpc3RpbmcgdHR5IGRyaXZlcidzIHByb2JlIGZ1 bmN0aW9uIGFuZCBhZnRlcndhcmRzCj4gdHJ5IGNyZWF0aW5nIGFuZCBhdHRhY2hpbmcgdGhlIGFw cHJvcHJpYXRlIHNlcmRldiBkZXZpY2UsIGkuZS4gYSBmaXhlZAo+IFVTQi10by1zZXJkZXYgZHJp dmVyIG1hcHBpbmcuIFByb2JsZW0gaXMgdGhhdCBtb3N0IGRldmljZXMgZG9uJ3Qgc2VlbSB0bwo+ IGltcGxlbWVudCBhbnkgdW5pcXVlIGlkZW50aWZpZXIgSSBjb3VsZCBtYWtlIHRoaXMgZGVwZW5k IG9uIC0gZWl0aGVyIGJ5Cj4gdXNpbmcgYSBzdGFuZGFyZCBGVDIzMi9GVDIyMzIvQ0gzNDBHIGNo aXAgb3IgYnkgdXNpbmcgU1RNaWNyb2VsZWN0cm9uaWNzCj4gdmlydHVhbCBjb20gcG9ydCBpZGVu dGlmaWVycyBpbiBDREMgZmlybXdhcmUgYW5kIG9ubHkgZGlmZmVyaW5nIGluIHRoZQo+IHRleHR1 YWwgZGVzY3JpcHRpb24gWzNdIHRoZSB1c2JfZGV2aWNlX2lkIGRvZXMgbm90IHNlZW0gdG8gbWF0 Y2ggb24uCj4gCj4gVGhlIG9idmlvdXMgc29sdXRpb24gd291bGQgb2YgY291cnNlIGJlIGlmIGhh cmR3YXJlIHZlbmRvcnMgY291bGQgcmV2aXNlCj4gdGhlaXIgZGVzaWducyB0byBjb25maWd1cmUg RlRESS9ldGMuIGNoaXBzIHVuaXF1ZWx5LiBJIGhlYXIgdGhhdCB0aGF0Cj4gbWF5IGludm9sdmUg ZXhjaGFuZ2luZyB0aGUgY2hpcHNldCwgaW5jcmVhc2luZyBjb3N0cywgYW5kIG1heSBpbXBhY3QK PiBleGlzdGluZyBkcml2ZXJzLiBXb3VsZG4ndCBoZWxwIGZvciBkZXZpY2VzIG91dCB0aGVyZSB0 b2RheSBlaXRoZXIuCgpUaGV5IG5lZWQgdG8gcHV0IGFuIGV4dHJhIGVlcHJvbSAoY2VudHMpIGlu dG8gdGhlaXIgZGVzaWduIGFuZCBwcm9ncmFtIGl0LgoKPiAKPiBGb3IgdGhlIHBpY29HVyBDREMg ZmlybXdhcmUsIFNlbXRlY2ggZG9lcyBhcHBlYXIgdG8gb3duIGEgVVNCIHZlbmRvciBJRCwKPiBz byBpdCB3b3VsZCBzZWVtIHBvc3NpYmxlIHRvIGFsbG9jYXRlIHRoZWlyIG93biBwcm9kdWN0IElE cyBmb3IgU1gxMzAxCj4gYW5kIFNYMTMwOCByZXNwZWN0aXZlbHkgdG8gcmVwbGFjZSB0aGUgZ2Vu ZXJpYyBTVE1pY3JvZWxlY3Ryb25pY3MgSURzLAo+IHdoaWNoIHRoZSB2YXJpb3VzIHZlbmRvcnMg Y291bGQgb2ZmZXIgYXMgZmlybXdhcmUgdXBkYXRlcy4KPiAKPiBBbGwgb3V0c2lkZSBteSBjb250 cm9sIHRob3VnaC4KPiAKPiBPbGl2ZXIgdGhlcmVmb3JlIHN1Z2dlc3RlZCB0byBub3QgbWVzcyB3 aXRoIFVTQiBkcml2ZXJzIGFuZCBpbnN0ZWFkIHVzZQo+IGEgbGluZSBkaXNjaXBsaW5lIChsZGlz YykuIEl0IHNlZW1zIHRoYXQgZm9yIGV4YW1wbGUgdGhlIHVzZXJzcGFjZSB0b29sCj4gc2xhdHRh Y2ggdGFrZXMgYSB0dHkgZGV2aWNlIGFuZCBwZXJmb3JtcyBhbiBpb2N0bCB0byBzd2l0Y2ggdGhl IGdlbmVyaWMKPiB0dHkgZGV2aWNlIGludG8gYSBzcGVjaWFsIE5fU0xJUCBwcm90b2NvbCBtb2Rl LCBpbXBsZW1lbnRlZCBpbiBbNF0uCj4gCj4gSG93ZXZlciwgdGhlIGV4aXN0aW5nIG51bWJlciBv ZiBzdWNoIGxkaXNjIG1vZGVzIGFwcGVhcnMgdG8gYmUgYmVsb3cgMzAsCj4gd2l0aCBoYXJkbHkg YW55IHZlbmRvci1zcGVjaWZpYyBpbXBsZW1lbnRhdGlvbiwgc28gcG9sbHV0aW5nIGl0cyBudW1i ZXIKPiBzcGFjZSBzZWVtcyB1bmRlc2lyYWJsZT8gQW5kIGluIHNvbWUgY2FzZXMgSSB3b3VsZCBs aWtlIHRvIHVzZSB0aGUgc2FtZQo+IHByb3RvY29sIGltcGxlbWVudGF0aW9uIG92ZXIgZGlyZWN0 IFVBUlQgYW5kIG92ZXIgVVNCLCBzbyB3b3VsZCBsaWtlIHRvCj4gYXZvaWQgZHVwbGljYXRlIHNl cmRldl9kZXZpY2VfZHJpdmVyIGFuZCB0dHlfbGRpc2Nfb3BzIGltcGxlbWVudGF0aW9ucy4KPiAK PiBMb25nIHN0b3J5IHNob3J0LCBoYXMgdGhlcmUgYmVlbiBhbnkgdGhpbmtpbmcgYWJvdXQgYSB1 c2Vyc3BhY2UKPiBpbnRlcmZhY2UgdG8gYXR0YWNoIGEgZ2l2ZW4gc2VyZGV2IGRyaXZlciB0byBh IHR0eSBkZXZpY2U/Cj4gCj4gT3IgaXMgdGhlcmUsIG9uIE9GX0RZTkFNSUMgcGxhdGZvcm1zLCBh IHdheSBmcm9tIHVzZXJzcGFjZSB0byBhc3NvY2lhdGUKPiBhIERUIGZyYWdtZW50ICghPSBEVCBP dmVybGF5KSB3aXRoIGEgZ2l2ZW4gVVNCIGRldmljZSBkeW5hbWljYWxseSwgdG8KPiBhdHRhY2gg YSBzZXJkZXYgbm9kZSB3aXRoIHN1Yi1ub2Rlcz8KPiAKPiBBbnkgb3RoZXIgaWRlYXMgaG93IHRv IGNsZWFubHkgc29sdmUgdGhpcz8KPiAKPiBJbiBzb21lIGNhc2VzIHdlJ3JlIHRhbGtpbmcgYWJv dXQgYSAic2ltcGxlIiBBVC1saWtlIGNvbW1hbmQgaW50ZXJmYWNlOwo+IHRoZSBwaWNvR1cgaW1w bGVtZW50cyBhIHNlbWktZ2VuZXJpYyBVU0ItU1BJIGJyaWRnZSB0aGF0IG1heSBob3N0IGEKPiBj aG9pY2Ugb2YgMisgY2hpcHNldHMsIHdoaWNoIGluIHR1cm4gaGFzIHR3byBmdXJ0aGVyIHN1Yi1k ZXZpY2VzIHdpdGggMysKPiBjaGlwc2V0IGNob2ljZXMgKHRoZW9yZXRpY2FsbHkgY2xrIG91dHB1 dCBhbmQgcngvdHggb3B0aW9ucyBldGMuKSBlYWNoLgo+IChGb3IgdGhlIGxhdHRlciBJJ20gdGhp bmtpbmcgd2UnbGwgbmVlZCBhIHNlcmRldiBkcml2ZXIgZXhwb3NpbmcgYQo+IHJlZ21hcF9idXMg YW5kIHRoZW4gaW1wbGVtZW50IHJlZ21hcF9idXMgYmFzZWQgdmVyc2lvbnMgb2YgdGhlIFNQSQo+ IGRyaXZlcnMgbGlrZSBCZW4gYW5kIEkgcmVmYWN0b3JlZCBTWDEyNTcgaW4gWzJdIGxhc3Qgd2Vl a2VuZC4pPgoKVGhlcmUgaXMgYSBtUENJZSBtb2R1bGUgKFJBSzgzMykgYXZhaWxhYmxlIGJ5IFJB SyB3aXJlbGVzcyB0aGF0IHVzZXMgYQpGVDIyMzIgYXMgVVNCLVNQSSBicmlkZ2UsIG5vdCB1YXJ0 LiBJIGhhdmUgb25lIGhlcmUgZm9yIGV4cGVyaW1lbnRzLiBJdAppcyBkZXRlY3RlZCBhcyBnZW5l cmljIEZUMjIzMiBkZXZpY2Ugb24gdXNiLiBBcyBmYXIgYXMgSSB1bmRlcnN0b29kIHNvCmZhciB0 aGUgc2VyZGV2IGRvZXMgb25seSBzdXBwb3J0IHVhcnQgYmFzZWQgY29tbXVuaWNhdGlvbiwgaXMg dGhlcmUgYQpjaGFuY2UgdG8gZ2V0IFVTQi1TUEkgYnJpZGdlZCBtb2R1bGVzIGFsc28gd29ya2lu Zz8KCkJyLApGcmFuawoKPiBUaGFua3MsCj4gQW5kcmVhcwo+IAo+IFsxXSBodHRwczovL3BhdGNo d29yay5vemxhYnMub3JnL2NvdmVyLzkzNzU0NS8KPiBbMl0KPiBodHRwczovL2dpdC5rZXJuZWwu b3JnL3B1Yi9zY20vbGludXgva2VybmVsL2dpdC9hZmFlcmJlci9saW51eC1sb3JhLmdpdC90cmVl L2RyaXZlcnMvbmV0L2xvcmE/aD1sb3JhLW5leHQKPiBbM10KPiBodHRwczovL2dpdGh1Yi5jb20v TG9yYS1uZXQvcGljb0dXX21jdS9ibG9iL21hc3Rlci9zcmMvdXNiX2NkYy9TcmMvdXNiZF9kZXNj LmNwcCNMNTkKPiBbNF0KPiBodHRwczovL2dpdC5rZXJuZWwub3JnL3B1Yi9zY20vbGludXgva2Vy bmVsL2dpdC90b3J2YWxkcy9saW51eC5naXQvdHJlZS9kcml2ZXJzL25ldC9zbGlwL3NsaXAuYyNu MTI4MQo+IAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K bGludXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZy YWRlYWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGlu dXgtYXJtLWtlcm5lbAo=