From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-path: From: Trent Piepho To: "linux@roeck-us.net" , "m.felsch@pengutronix.de" CC: "dmitry.torokhov@gmail.com" , "linux-hwmon@vger.kernel.org" , "jdelvare@suse.com" , "kernel@pengutronix.de" Subject: Re: [PATCH v2 2/2] hwmon: add generic GPIO brownout support Date: Thu, 1 Nov 2018 17:41:44 +0000 Message-ID: <1541094101.30311.140.camel@impinj.com> References: <20181029143521.22122-1-m.felsch@pengutronix.de> <20181029143521.22122-3-m.felsch@pengutronix.de> <20181029195238.GA24689@roeck-us.net> <1540847798.30311.47.camel@impinj.com> <8841d944-4fab-7d43-4edc-20f9a95ac009@roeck-us.net> <20181030104706.dbuld7tymwcpayzd@pengutronix.de> <783b26c9-2654-4aff-5e77-e35a17973e63@roeck-us.net> <20181030170026.licamhckbznuvcse@pengutronix.de> <1540928050.30311.94.camel@impinj.com> <20181030201147.GB28185@roeck-us.net> <20181101104059.em3bvpdzo2bsyazy@pengutronix.de> In-Reply-To: <20181101104059.em3bvpdzo2bsyazy@pengutronix.de> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <357589B4CB9B934F89B4F088A00F86B9@namprd06.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 List-ID: T24gVGh1LCAyMDE4LTExLTAxIGF0IDExOjQwICswMTAwLCBNYXJjbyBGZWxzY2ggd3JvdGU6DQo+ IE9uIDE4LTEwLTMwIDEzOjExLCBHdWVudGVyIFJvZWNrIHdyb3RlOg0KPiA+IE9uIFR1ZSwgT2N0 IDMwLCAyMDE4IGF0IDA3OjM0OjExUE0gKzAwMDAsIFRyZW50IFBpZXBobyB3cm90ZToNCj4gPiA+ IA0KPiA+IAl2b2x0YWdlQDAgew0KPiANCj4gCQlyZWcgPSA8MD47DQo+IA0KPiBJIHJlbWVtYmVy IHRoYXQgd2UgaGF2ZSB0byBhZGQgYSByZWcgcHJvcGVydHkgaWYgd2Ugd2FudCB0byB1c2UgeHl6 QDAuDQoNCktlcm5lbCBkaXNhYmxlcyB0aGF0IGR0YyB3YXJuaW5nLCBidXQgc3RpbGwgc2VlbXMg Z29vZCB0byBmb2xsb3cgdGhhdA0KcnVsZS4NCg0KPiA+IHdpdGggc29tZSBiZXR0ZXIgKGFjY2Vw dGFibGUpIHZhbHVlcyBmb3IgImFsYXJtLXR5cGUiIGFuZCB0aGUgYWN0dWFsIGZpZWxkcy4gDQo+ IA0KPiBTaG91bGQgd2UgdXNlIHRoZSBAPHJlZz4gc3VmZml4IHRvIG1hcCBpdCB0byBpbjxyZWc+ XypfYWxhcm0gb3Igc2hvdWxkDQo+IHdlIGRvIHNvbWV0aGluZyBsaWtlIHRoYXQ6DQoNClVzdWFs bHkgdGhlIG5vZGUgbmFtZSwgZS5nLiAibm9kZUAwIiwgaXNuJ3QgdXNlZCBhdCBhbGwgYnkgdGhl IGRyaXZlci4gDQpJdCdzIGFyYml0cmFyeSwgc28gdGhlIGR0IGF1dGhvciBjYW4gbmFtZSBpdCB3 aGF0IHRoZXkgd2FudC4NCg0KSSd2ZSB1c2VkIHRvIGlkZW50aWZ5IGEgZGV2aWNlIGluIGEgdWRl diBydWxlLiAgU28gSSBjYW4gaGF2ZSBhIHJ1bGUNCnRoYXQgYWN0cyBvbiBhIGRldmljZSBiYXNl ZCBvbiB3aGF0IEkgd2FudCB0aGUgZGV2aWNlIHRvIGRvLCByYXRoZXINCnRoYW4gd2hhdCBidXMg YW5kIGFkZHJlc3MgdGhlIGRldmljZSBoYXBwZW5zIHRvIGJlIG9uLiAgVGhlIGxhdHRlciBhcmUN CnN1YmplY3QgdG8gY2hhbmdlIGJhc2VkIG9uIG90aGVyIGRldmljZXMsIFNvQyBwaW5tdXhpbmcs IGJvYXJkIHJvdXRpbmcsDQpldGMuDQoNClVzaW5nIHRoZSAicmVnIiBwcm9wZXJ0eSB0byBpZGVu dGlmeSB0aGUgaW5wdXQvdGVtcC9mYW4gbnVtYmVyIHNlZW1zDQp0b3RhbGx5IGFwcHJvcHJpYXRl IHRvIG1lLg0KDQo+IA0KPiBod21vbl9kZXYgew0KPiAJY29tcGF0aWJsZSA9ICJncGlvLWFsYXJt IjsNCj4gDQo+IAl2b2x0YWdlIHsNCg0KSSB0aGluayB5b3UnZCBuZWVkIHNvbWV0aGluZyBsaWtl IHR5cGUgPSAidm9sdGFnZSIgaGVyZSBpbnN0ZWFkIG9mDQp1c2luZyB0aGUgbm9kZSBuYW1lLg0K DQo+IAkJYmF0QDAgew0KPiAJCQlyZWcgPSA8MD47DQo+IAkgCQlsYWJlbCA9ICJCYXR0ZXJ5IFBh Y2sxIFZvbHRhZ2UiOw0KPiAJCX07DQo+IA0KPiAJCWJhdEAxIHsNCj4gCQkJcmVnID0gPDE+Ow0K PiAJIAkJbGFiZWwgPSAiQmF0dGVyeSBQYWNrMiBWb2x0YWdlIjsNCj4gCQl9Ow0KPiAJfTsNCg0K U2VlbXMgYmV0dGVyIHRvIG1lIHRvIGhhdmUgdGhlIGZsYXR0ZXIgdHJlZSB3aXRoIGVhY2ggYWxh cm0gaGF2aW5nIGENCiJ0eXBlIiBhdHRyaWJ1dGUgcmF0aGVyIHRoYW4gZ3JvdXBpbmcgdGhlbSBi eSB0eXBlLg0KDQpVc3VhbGx5IHRoZSB0cmVlIHN0cnVjdHVyZSBvZiBhIERUIGlzIG1lYW50IHRv IHNob3cgYSAiY29udGFpbnMiDQpyZWxhdGlvbnNoaXAsIG9uZSBwcmVzZW50IGluIHRoZSBhY3R1 YWwgaGFyZHdhcmUuICBBIGJ1cyB3aXRoIGRldmljZXMNCmJlaGluZCBpdC4gIExpbmVzIGF0dGFj aGVkIHRvIGNvbnRyb2xsZXIuICBJZiBJJ3ZlIGdvdCB0aHJlZSBvcC1hbXBzIG9uDQpHUElPcywg dHdvIG1lYXN1cmluZyB2b2x0YWdlIHJhaWxzIGFuZCB0aGUgdGhpcmQgb24gYSB0aGVybWlzdG9y LCB0aGVuDQpJTUhPIGFsbCB0aHJlZSBhcmUgcGVlcnMuICBUaGUgaGFyZHdhcmUgZGVzaWduIGRv ZXNuJ3QgZ3JvdXAgdGhlIHR3bw0Kdm9sdGFnZSByYWlsIG9wLWFtcHMgaW4gc29tZSB3YXkgdGhh dCBleGNsdWRlcyB0aGUgdGhlcm1pc3RvciBvcC1hbXAuDQoNCg0KPiBOb3cgdGhlIHN1Ym5vZGVz IGltcGx5IHRoZSB0eXBlLiBTaW5jZSB0aGUgaHdtb24tZ3Bpby1zaW1wbGUgc2hvdWxkDQo+IHdv cmsgaW50ZXJydXB0IGRyaXZlbiBhbGwgdGhlIHRpbWUgd2Ugc2hvdWxkIHJlcGxhY2UgdGhlIGFs YXJtLWdwaW9zIGJ5DQoNCk5vdCBhbGwgR1BJT3MgY2FuIGdlbmVyYXRlIGludGVycnVwdHMuICBJ dCB3b3VsZCBiZSBhbiB1bmZvcnR1bmF0ZQ0KaGFyZHdhcmUgZGVzaWduIHRvIHVzZSBzdWNoIGEg R1BJTyBmb3IgdGhpcy4gIFNlZW1zIG9rIHRvIG1lIHRvIGRlZmVyDQp0aGF0IHByb2JsZW0gdG8g dGhlIHBvb3Igc29kIHdobyBuZWVkcyB0byBzdXBwb3J0IHN1Y2ggaGFyZHdhcmUgaWYgaXQNCmV2 ZXIgZXhpc3RzLg0K