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From: "Nuno Sá" <noname.nuno@gmail.com>
To: "Andy Shevchenko" <andriy.shevchenko@intel.com>,
	"Nuno Sá" <nuno.sa@analog.com>
Cc: linux-hwmon@vger.kernel.org, linux-gpio@vger.kernel.org,
	 devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
	Krzysztof Kozlowski	 <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Jean Delvare	 <jdelvare@suse.com>,
	Guenter Roeck <linux@roeck-us.net>,
	Jonathan Corbet	 <corbet@lwn.net>,
	Linus Walleij <linus.walleij@linaro.org>,
	Bartosz Golaszewski	 <brgl@bgdev.pl>
Subject: Re: [PATCH v2 3/3] gpio: gpio-ltc4283: Add support for the LTC4283 Swap Controller
Date: Tue, 09 Sep 2025 11:27:09 +0100	[thread overview]
Message-ID: <4123c67509c54e78b5a24d2704e4bb2b0a07d585.camel@gmail.com> (raw)
In-Reply-To: <aLgl_9X0_2082SkH@black.igk.intel.com>

On Wed, 2025-09-03 at 13:26 +0200, Andy Shevchenko wrote:
> On Wed, Sep 03, 2025 at 11:05:01AM +0100, Nuno Sá wrote:
> > The LTC4283 device has up to 8 pins that can be configured as GPIOs.
> > 
> > Note that PGIO pins are not set as GPIOs by default so if they are
> > configured to be used as GPIOs we need to make sure to initialize them
> > to a sane default. They are set as inputs by default.
> 
> ...
> 
> > +/* Non-constant mask variant of FIELD_GET() and FIELD_PREP() */
> > +#define field_get(_mask, _reg)	(((_reg) & (_mask)) >> (ffs(_mask) - 1))
> > +#define field_prep(_mask, _val)	(((_val) << (ffs(_mask) - 1)) &
> > (_mask))
> 

Kind of agree and I remember to see some work some time ago regarding this but
it seems it did not get anywhere. 

- Nuno Sá


  reply	other threads:[~2025-09-09 10:26 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-03 10:04 [PATCH v2 0/3] hwmon: Add support for the LTC4283 Hot Swap Controller Nuno Sá via B4 Relay
2025-09-03 10:04 ` [PATCH v2 1/3] dt-binbings: hwmon: Document the LTC4283 " Nuno Sá via B4 Relay
2025-09-03 21:48   ` Rob Herring
2025-09-06  0:27   ` Guenter Roeck
2025-09-03 10:05 ` [PATCH v2 2/3] hwmon: ltc4283: Add support for " Nuno Sá via B4 Relay
2025-09-04 21:30   ` kernel test robot
2025-09-06  1:24   ` Guenter Roeck
2025-09-12 14:00     ` Nuno Sá
2025-09-13 11:02       ` Guenter Roeck
2025-09-03 10:05 ` [PATCH v2 3/3] gpio: gpio-ltc4283: " Nuno Sá via B4 Relay
2025-09-03 11:26   ` Andy Shevchenko
2025-09-09 10:27     ` Nuno Sá [this message]
2025-09-09 11:32       ` Andy Shevchenko
2025-09-04  2:42   ` Randy Dunlap
2025-09-04 19:57   ` Linus Walleij
2025-09-09 10:22     ` Nuno Sá
2025-09-09 10:25     ` Nuno Sá

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