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 18:21:10 +0000 Message-ID: <1541096469.30311.166.camel@impinj.com> References: <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> <20181101145312.wadkj5u2rlr5ewdq@pengutronix.de> <20181101151428.GB25346@roeck-us.net> In-Reply-To: <20181101151428.GB25346@roeck-us.net> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-ID: <45CD13873EE0F941B1153ECF70E2A725@namprd06.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 List-ID: T24gVGh1LCAyMDE4LTExLTAxIGF0IDA4OjE0IC0wNzAwLCBHdWVudGVyIFJvZWNrIHdyb3RlOg0K PiBPbiBUaHUsIE5vdiAwMSwgMjAxOCBhdCAwMzo1MzoxMlBNICswMTAwLCBNYXJjbyBGZWxzY2gg d3JvdGU6DQo+ID4gDQo+ID4gPiANCj4gPiA+IElzbid0IHRoYXQgY29uZmlndXJhYmxlIHdpdGgg ZGV2aWNldHJlZSBmbGFncyA/IEkgZG9uJ3QgdGhpbmsgYSBkcml2ZXINCj4gPiA+IHNob3VsZCBn ZXQgaW52b2x2ZWQgaW4gZGVjaWRpbmcgdGhlIGFjdGl2ZSBlZGdlLg0KPiA+IA0KPiA+IE5vLCBB RkFJSyB3ZSBjYW4gb25seSBzcGVjaWZ5IHRoZSBhY3RpdmUgbGV2ZWwgdHlwZXMgZm9yIGdwaW9z LiBUaGlzDQo+ID4gbWFkZSBzZW5zZSB0byBtZSwgYmVjYXVzZSBJIHNhdyBubyBncGlvLWNvbnRy b2xsZXIgd2hpY2ggc3VwcG9ydA0KPiA+ICdlZGdlLWxldmVsJyByZXBvcnRpbmcgKGhvd2V2ZXIg aXQgd2lsbCBiZSBjYWxsZWQpIGN1cnJlbnRseS4NCg0KSW50ZXJydXB0cyB0eXBlcyBhcmUgc3Bl Y2lmaWMgdG8gZWFjaCBpbnRlcnJ1cHQgY29udHJvbGxlciwgYnV0IHRoZXJlDQppcyBhIHN0YW5k YXJkIHNldCBvZiBmbGFncyB0aGF0LCBBRkFJSywgZXZlcnkgTGludXggY29udHJvbGxlciB1c2Vz LiANClRoZXNlIGluY2x1ZGUgSVJRX1RZUEVfRURHRV9CT1RILCBJUlFfVFlQRV9FREdFX1JJU0lO RywNCklSUV9UWVBFX0xFVkVMX0hJR0gsIGFuZCBzbyBvbi4NCg0KU28geW91IGNhbiBzdXBwb3J0 IGhhcmR3YXJlIHRoYXQgaXMgaW5oZXJlbnRseSBlZGdlIG9yIGxldmVsIHRyaWdnZXJlZC4NCiAN Cg0KSSBoYXZlIHVzZWQgZWRnZSB0cmlnZ2VyZWQgaW50ZXJydXB0cyBvbiBHUElPIHBpbnMgb24g bWFueSBkZXNpZ25zLg0KDQpGcm9tIHdoYXQgSSByZW1lbWJlciwgbW9zdCBod21vbiBjaGlwcyB1 c2UgbGV2ZWwgdHJpZ2dlcmVkIHNpZ25hbHMuIA0KVGhlIGdlbmVyYWwgcHJvY2VzcyBpbiB0aGUg ZHJpdmVyOg0KDQpMZXZlbCBnb2VzIHRvIGFzc2VydGVkLCBJUlEgaGFuZGxlciBpbnZva2VkDQpB Y2sgaW50ZXJydXB0IGluIGh3bW9uIGNoaXAncyBhbGFybSByZWdpc3Rlciwgd2hpY2ggdXN1YWxs eSBkZS1hc3NlcnRzDQp0aGUgYWxhcm0gbGluZQ0KU2V0IGJpdCBpbiBkcml2ZXIgc3RhdGUgdG8g aW5kaWNhdGUgdGhlIGFsYXJtIGF0dHJpYnV0ZSBzaG91bGQgYmUgc2V0DQpzeXNmc19ub3RpZnkg YW55dGhpbmcgcG9sbGluZyB0aGUgYXR0cmlidXRlDQpJZiBhbGFybSBsaW5lIGRpZCBub3QgZGUt YXNzZXJ0IG9uIGFjaywgbGVhdmUgSVJRIG1hc2tlZA0KU3lzZnMgYXR0cmlidXRlIHN0YXlzIHNl dCB1bnRpbCB1c2Vyc3BhY2UgcHJvY2VzcyBhY2tzIGl0IChieSByZWFkaW5nKQ0KDQpUaGUgaW1w b3J0YW50IHBhcnQgaGVyZSBpcyB0aGF0IHRoZSBhbGFybSBpcyBsYXRjaGVkIGluIHRoZSBkcml2 ZXIuICBXZQ0KZG9uJ3QganVzdCByZXBvcnQgdGhlIGN1cnJlbnQgYWxhcm0gc3RhdHVzIGluIHRo ZSBhdHRyaWJ1dGUuICBPdGhlcndpc2UNCmFuIGFsYXJtIGNvdWxkIGNvbWUgYW5kIGdvIHdpdGhv dXQgYW55b25lIG5vdGljaW5nIGlmIHRoZXkgZGlkbid0IHJlYWQNCnRoZSBhdHRyaWJ1dGUgYXQg anVzdCB0aGUgcmlnaHQgdGltZS4NCg0KUHV0IGFub3RoZXIgd2F5LCB0aGUgaHdtb24gYWxhcm0g YXR0cmlidXRlIG1lYW5zIGFuIGFsYXJtIG9jY3VycmVkDQpzaW5jZSB0aGUgbGFzdCB0aW1lIHRo ZSBhdHRyaWJ1dGUgd2FzIHJlc2V0LiAgSXQgZG9lcyBub3QgbWVhbiB0aGUNCmFsYXJtIGlzIGN1 cnJlbnRseSBhY3RpdmUuDQoNClRoaXMgYWxzbyBtZWFucyB0aGUgZHJpdmVyIGRvZXMgbm90IG5l ZWQgdG8gY29udGludW91c2x5IHRyYWNrIHRoZQ0KYWxhcm0gc3RhdHVzLiAgT25jZSB3ZSBkZXRl Y3QgdGhlIGZpcnN0IGFsYXJtLCB3ZSBkb24ndCBjYXJlIHdoYXQgaXQNCmRvZXMgdW50aWwgdGhl IGFsYXJtIHN0YXR1cyBpcyByZXNldCBhbmQgd2UgbmVlZCB0byB3YXRjaCBmb3IgYWxhcm1zDQph Z2Fpbi4NCg0KSWYgb25lIGhhcyBzb21ldGhpbmcgbGlrZSBhbiBvcC1hbXAgdm9sdGFnZSBjb21w YXJhdG9yLCBJIHRoaW5rIHRoZQ0KZHJpdmVyIHdvdWxkIHJlZ2lzdGVyIGEgbGV2ZWwgaW50ZXJy dXB0LiAgSXQgYmUgbGVmdCBtYXNrZWQgYWZ0ZXIgdGhlDQppcnEgaGFuZGxlciBub3RlcyB0aGUg YWxhcm0sIHRvIHByZXZlbnQgaW1tZWRpYXRlbHkgcmUtYXNzZXJ0aW5nLiAgVGhpcw0KaXMgbm9y bWFsIGZvciBsZXZlbCBpbnRlcnJ1cHRzIHRoYXQgY2FuIG5vdCBiZSBkZS1hc3NlcnRlZCBieSBh biBhY3Rpb24NCm9mIHRoZSBpcnEgaGFuZGxlci4gIEl0IHdvdWxkIGJlIHVubWFza2VkIG9uIHRo ZSBhY2svcmVhZCBvZiB0aGUgYWxhcm0NCmF0dHJpYnV0ZS4gIFRoYXQgd291bGQgdHJpZ2dlciBh bm90aGVyIGludGVycnVwdCBpZiB0aGUgYWxhcm0gc2lnbmFsIGlzDQpzdGlsbCBhc3NlcnRlZC4N Cg0KSWYgaW5zdGVhZCwgeW91IHRyaWVkIHJlZ2lzdGVyaW5nIGZvciBJUlFzIG9uIGJvdGggZWRn ZXMsIHRoZW4gaXQncyBub3QNCnJlbGlhYmxlLiAgSXQncyBwb3NzaWJsZSBmb3IgdGhlIGVkZ2Vz IHRvIGNvbWUgaW4gdG9vIGZhc3QsIGJlZm9yZSB0aGUNCmlycSBjb250cm9sbGVyIG9yIHRoZSBr ZXJuZWwgaXMgcmVhZHkgZm9yIHRoZW0sIGFuZCB0aGVuIHlvdSBnZXQgb3V0IG9mDQpzeW5jLg0K