From: "Nuno Sá" <noname.nuno@gmail.com>
To: "Linus Walleij" <linus.walleij@linaro.org>,
"Nuno Sá" <nuno.sa@analog.com>
Cc: linux-acpi@vger.kernel.org, devicetree@vger.kernel.org,
linux-gpio@vger.kernel.org,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Bartosz Golaszewski <brgl@bgdev.pl>,
Frank Rowand <frowand.list@gmail.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Rob Herring <robh+dt@kernel.org>
Subject: Re: [PATCH 3/4] gpiolib: acpi: support bias pull disable
Date: Mon, 18 Jul 2022 12:49:19 +0200 [thread overview]
Message-ID: <8461b72ae951e4311952052c467fb1275ff9e58a.camel@gmail.com> (raw)
In-Reply-To: <CACRpkdbitDErSCMbKFe0yZB63+uTGwt5ROMbEV_iAPck_RN7sg@mail.gmail.com>
On Mon, 2022-07-18 at 12:32 +0200, Linus Walleij wrote:
> On Wed, Jul 13, 2022 at 3:13 PM Nuno Sá <nuno.sa@analog.com> wrote:
>
> > On top of looking at PULL_UP and PULL_DOWN flags, also look at
> > PULL_DISABLE and set the appropriate GPIO flag. The GPIO core will
> > then
> > pass down this to controllers that support it.
> >
> > Signed-off-by: Nuno Sá <nuno.sa@analog.com>
>
> Do we have a semantic check that PULLDOWN and PULLUP
> is not used in combination with NOPULL here?
>
> (We should also be checking that PULLDOWN and PULLUP
> are not used simultaneously but that is an unrelated thing.)
I did extended this check:
https://elixir.bootlin.com/linux/v5.19-rc7/source/drivers/gpio/gpiolib.c#L3948
on patch 1 to make sure that PULLDOWN and PULLUP are not used with
NOPULL. Is this what you have in mind or is it something else?
- Nuno Sá
next prev parent reply other threads:[~2022-07-18 10:48 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-13 13:14 [PATCH 0/4] add support for bias pull-disable Nuno Sá
2022-07-13 13:14 ` [PATCH 1/4] gpiolib: add support for bias pull disable Nuno Sá
2022-07-13 17:36 ` Andy Shevchenko
2022-07-14 4:20 ` Kent Gibson
2022-07-14 7:14 ` Nuno Sá
2022-07-14 8:27 ` Kent Gibson
2022-07-14 8:47 ` Nuno Sá
2022-07-14 12:00 ` Kent Gibson
2022-07-14 13:02 ` Nuno Sá
2022-07-14 15:08 ` Andy Shevchenko
2022-07-14 15:47 ` Nuno Sá
2022-07-18 10:44 ` Linus Walleij
2022-07-13 13:14 ` [PATCH 2/4] gpiolib: of: support " Nuno Sá
2022-07-18 10:30 ` Linus Walleij
2022-07-13 13:14 ` [PATCH 3/4] gpiolib: acpi: " Nuno Sá
2022-07-18 10:32 ` Linus Walleij
2022-07-18 10:49 ` Nuno Sá [this message]
2022-07-18 13:49 ` Linus Walleij
2022-07-18 18:25 ` Andy Shevchenko
2022-07-13 13:14 ` [PATCH 4/4] dt-bindings: gpio: add pull-disable flag Nuno Sá
2022-07-18 10:33 ` Linus Walleij
2022-07-18 20:52 ` Rob Herring
2022-07-13 17:39 ` [PATCH 0/4] add support for bias pull-disable Andy Shevchenko
2022-07-14 7:09 ` Nuno Sá
2022-07-14 9:12 ` Andy Shevchenko
2022-07-14 9:49 ` Nuno Sá
2022-07-14 14:58 ` Andy Shevchenko
2022-07-14 15:43 ` Nuno Sá
2022-07-14 18:57 ` Andy Shevchenko
2022-07-15 10:20 ` Nuno Sá
2022-07-15 12:05 ` Andy Shevchenko
2022-07-15 12:20 ` Nuno Sá
2022-07-15 19:31 ` Bartosz Golaszewski
2022-07-18 7:51 ` Nuno Sá
2022-07-18 10:29 ` Linus Walleij
2022-07-18 10:46 ` Nuno Sá
2022-07-18 10:25 ` Linus Walleij
2022-07-19 8:25 ` Bartosz Golaszewski
2022-07-19 8:52 ` Nuno Sá
2022-07-19 9:14 ` Bartosz Golaszewski
2022-07-19 10:21 ` Nuno Sá
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