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: [v3,5/6] usb: roles: add USB Type-B GPIO connector driver From: Chunfeng Yun Message-Id: <1554711294.10179.178.camel@mhfsdcap03> Date: Mon, 8 Apr 2019 16:14:54 +0800 To: Linus Walleij Cc: Rob Herring , Greg Kroah-Hartman , Heikki Krogerus , Mark Rutland , Matthias Brugger , Adam Thomson , Li Jun , Badhri Jagan Sridharan , Hans de Goede , Andy Shevchenko , Min Guo , Alan Stern , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "linux-kernel@vger.kernel.org" , linux-usb@vger.kernel.org, Linux ARM , "moderated list:ARM/Mediatek SoC support" List-ID: SGksCk9uIFRodSwgMjAxOS0wNC0wNCBhdCAyMzozNSArMDcwMCwgTGludXMgV2FsbGVpaiB3cm90 ZToKPiBPbiBXZWQsIEFwciAzLCAyMDE5IGF0IDk6MDkgQU0gQ2h1bmZlbmcgWXVuIDxjaHVuZmVu Zy55dW5AbWVkaWF0ZWsuY29tPiB3cm90ZToKPiAKPiA+IER1ZSB0byB0aGUgcmVxdWlyZW1lbnQg b2YgdXNiLWNvbm5lY3Rvci50eHQgYmluZGluZywgdGhlIG9sZCB3YXkKPiA+IHVzaW5nIGV4dGNv biB0byBzdXBwb3J0IFVTQiBEdWFsLVJvbGUgc3dpdGNoIGlzIG5vdyBkZXByZWNhdGVkCj4gPiB3 aGVuIHVzZSBUeXBlLUIgY29ubmVjdG9yLgo+ID4gVGhpcyBwYXRjaCBpbnRyb2R1Y2VzIGEgZHJp dmVyIG9mIFR5cGUtQiBjb25uZWN0b3Igd2hpY2ggdHlwaWNhbGx5Cj4gPiB1c2VzIGFuIGlucHV0 IEdQSU8gdG8gZGV0ZWN0IFVTQiBJRCBwaW4sIGFuZCB0cnkgdG8gcmVwbGFjZSB0aGUKPiA+IGZ1 bmN0aW9uIHByb3ZpZGVkIGJ5IGV4dGNvbi11c2ItZ3BpbyBkcml2ZXIKPiA+Cj4gPiBTaWduZWQt b2ZmLWJ5OiBDaHVuZmVuZyBZdW4gPGNodW5mZW5nLnl1bkBtZWRpYXRlay5jb20+Cj4gKC4uLikK PiA+ICsjaW5jbHVkZSA8bGludXgvZ3Bpby5oPgo+IAo+IElmIHlvdSBuZWVkIHRoaXMgaW5jbHVk ZSBpbiBhIGNvbnN1bWVyLCBzb21ldGhpbmcgaXMgd3JvbmcuIEp1c3QgZGVsZXRlIGl0LApPawo+ IAo+ID4gKyAgICAgICBpbmZvLT5pZF9ncGlvZCA9IGRldm1fZ3Bpb2RfZ2V0X2Zyb21fb2Zfbm9k ZSgKPiA+ICsgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgZGV2LCBjaGlsZCwgImlkLWdw aW9zIiwgMCwgR1BJT0RfSU4sICJpZHBpbiIpOwo+IAo+IFRoaXMgaXMgT0sgaWYgdGhlIGNoaWxk IGRvZXMgbm90IGhhdmUgYW55IExpbnV4IGRldmljZSAoc3RydWN0IHBsYXRmb3JtX2RldmljZQo+ IGV0YykgY3JlYXRlZCBmcm9tIGl0LiBJcyB0aGlzIHRoZSBjYXNlPwpZZXMsIGl0IGlzLgoKVGhh bmtzCgo+IAo+IFlvdXJzLAo+IExpbnVzIFdhbGxlaWoK From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3FCC5C282DD for ; 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Mon, 8 Apr 2019 16:14:54 +0800 Message-ID: <1554711294.10179.178.camel@mhfsdcap03> Subject: Re: [v3 PATCH 5/6] usb: roles: add USB Type-B GPIO connector driver From: Chunfeng Yun To: Linus Walleij CC: Rob Herring , Greg Kroah-Hartman , Heikki Krogerus , Mark Rutland , Matthias Brugger , Adam Thomson , Li Jun , "Badhri Jagan Sridharan" , Hans de Goede , Andy Shevchenko , Min Guo , Alan Stern , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "linux-kernel@vger.kernel.org" , , Linux ARM , "moderated list:ARM/Mediatek SoC support" Date: Mon, 8 Apr 2019 16:14:54 +0800 In-Reply-To: References: <1554257354-7440-1-git-send-email-chunfeng.yun@mediatek.com> <1554257354-7440-6-git-send-email-chunfeng.yun@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 Content-Transfer-Encoding: 7bit MIME-Version: 1.0 X-MTK: N Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Message-ID: <20190408081454.IlcuD-FLfMz1-WF9UonHbt8F4A7G8je9cUfAVstQonA@z> Hi, On Thu, 2019-04-04 at 23:35 +0700, Linus Walleij wrote: > On Wed, Apr 3, 2019 at 9:09 AM Chunfeng Yun wrote: > > > Due to the requirement of usb-connector.txt binding, the old way > > using extcon to support USB Dual-Role switch is now deprecated > > when use Type-B connector. > > This patch introduces a driver of Type-B connector which typically > > uses an input GPIO to detect USB ID pin, and try to replace the > > function provided by extcon-usb-gpio driver > > > > Signed-off-by: Chunfeng Yun > (...) > > +#include > > If you need this include in a consumer, something is wrong. Just delete it, Ok > > > + info->id_gpiod = devm_gpiod_get_from_of_node( > > + dev, child, "id-gpios", 0, GPIOD_IN, "idpin"); > > This is OK if the child does not have any Linux device (struct platform_device > etc) created from it. Is this the case? Yes, it is. Thanks > > Yours, > Linus Walleij