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From: "Nuno Sá" <noname.nuno@gmail.com>
To: Andy Shevchenko <andy@kernel.org>
Cc: Linus Walleij <linus.walleij@linaro.org>,
	nuno.sa@analog.com,  linux-hwmon@vger.kernel.org,
	devicetree@vger.kernel.org,  linux-doc@vger.kernel.org,
	Jean Delvare <jdelvare@suse.com>,
	Guenter Roeck <linux@roeck-us.net>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	 Jonathan Corbet <corbet@lwn.net>,
	Bartosz Golaszewski <brgl@bgdev.pl>
Subject: Re: [PATCH v2 2/2] hwmon: ltc4282: add support for the LTC4282 chip
Date: Fri, 01 Dec 2023 17:19:33 +0100	[thread overview]
Message-ID: <4afe8108fb12690779351f16b0b31977caca640b.camel@gmail.com> (raw)
In-Reply-To: <ZWoABzufPkdXnrMT@smile.fi.intel.com>

On Fri, 2023-12-01 at 17:47 +0200, Andy Shevchenko wrote:
> On Fri, Dec 01, 2023 at 04:24:35PM +0100, Nuno Sá wrote:
> > On Fri, 2023-12-01 at 14:40 +0100, Linus Walleij wrote:
> 
> ...
> 
> > Yes, that is the only thing we have. Meaning that there is no hw setting to set
> > the
> > pins to open drain. Open drain is what they are. That is why I'm not seeing the
> > point
> > in having PIN_CONFIG_DRIVE_OPEN_DRAIN implemented.
> 
> At least you have to implement error for PUSH_PULL mode and other modes,
> so from the (core) software point of view the user should be able to ask for
> anything and get an answer from the certain driver that "hey, i do support OD",
> or "hey, push-pull can't be supported with this hw".
> 

Yeah, that makes total sense. But I guess that the 'default' should already 
-EOPNOTSUPP right?

- Nuno Sá 

  parent reply	other threads:[~2023-12-01 16:19 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-24 14:18 [PATCH v2 0/2] Add support for LTC4282 Nuno Sa via B4 Relay
2023-11-24 14:18 ` Nuno Sa
2023-11-24 14:18 ` [PATCH v2 1/2] dt-bindings: hwmon: Add LTC4282 bindings Nuno Sa via B4 Relay
2023-11-24 14:18   ` Nuno Sa
2023-11-25 11:56   ` Conor Dooley
2023-11-27  7:56     ` Nuno Sá
2023-11-27 17:33       ` Conor Dooley
2023-11-28 15:37   ` Rob Herring
2023-11-28 15:49     ` Nuno Sá
2023-11-24 14:18 ` [PATCH v2 2/2] hwmon: ltc4282: add support for the LTC4282 chip Nuno Sa via B4 Relay
2023-11-24 14:18   ` Nuno Sa
2023-11-24 21:54   ` kernel test robot
2023-11-24 23:39   ` kernel test robot
2023-11-27  7:53     ` Nuno Sá
2023-11-27  8:10       ` Krzysztof Kozlowski
2023-11-27  8:12         ` Krzysztof Kozlowski
2023-11-27  8:44           ` Nuno Sá
2023-11-27 16:03           ` Andy Shevchenko
2023-11-28 16:50             ` Krzysztof Kozlowski
2023-11-28 17:01               ` Andy Shevchenko
2023-11-28 18:03               ` Guenter Roeck
2023-11-29  8:35                 ` Nuno Sá
2023-11-29  8:45                   ` Krzysztof Kozlowski
2023-11-29  8:56                     ` Nuno Sá
2023-11-29 14:10                     ` Linus Walleij
2023-11-29 14:13                       ` Krzysztof Kozlowski
2023-11-29 14:29                       ` Nuno Sá
2023-11-29 14:47                   ` Guenter Roeck
2023-11-29 16:09                     ` Nuno Sá
2023-11-27 10:20   ` kernel test robot
2023-11-29 14:49   ` Linus Walleij
2023-11-29 16:08     ` Nuno Sá
2023-11-29 16:18       ` Andy Shevchenko
2023-11-29 16:21         ` Nuno Sá
2023-11-29 17:07           ` Andy Shevchenko
2023-11-29 20:55       ` Linus Walleij
2023-11-30 10:20         ` Nuno Sá
2023-11-30 13:36           ` Andy Shevchenko
2023-11-30 14:39             ` Guenter Roeck
2023-11-30 15:20             ` Nuno Sá
2023-11-30 16:28               ` Guenter Roeck
2023-11-30 20:15               ` Linus Walleij
2023-12-01 12:34                 ` Nuno Sá
2023-12-01 13:40                   ` Linus Walleij
2023-12-01 15:24                     ` Nuno Sá
2023-12-01 15:47                       ` Andy Shevchenko
2023-12-01 16:04                         ` Guenter Roeck
2023-12-01 16:24                           ` Andy Shevchenko
2023-12-01 16:36                             ` Guenter Roeck
2023-12-01 16:29                           ` Nuno Sá
2023-12-01 16:46                             ` Guenter Roeck
2023-12-02  9:42                               ` Nuno Sá
2023-12-03 23:08                                 ` Linus Walleij
2023-12-04  8:20                                   ` Bartosz Golaszewski
2023-12-01 16:19                         ` Nuno Sá [this message]
2023-12-01 16:23                           ` Andy Shevchenko
2023-12-03 23:03                       ` Linus Walleij
2023-12-04  8:53                         ` Nuno Sá
2023-12-14 16:40   ` kernel test robot

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