From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Bartosz Golaszewski <brgl@bgdev.pl>,
Linus Walleij <linus.walleij@linaro.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Alexey Klimov <alexey.klimov@linaro.org>
Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org,
Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Subject: Re: [PATCH RFC 0/5] pinctrl: introduce the concept of a GPIO pin function category
Date: Wed, 2 Jul 2025 13:03:11 +0200 [thread overview]
Message-ID: <5a58fb6d-8ddb-4835-9da9-4c449825367f@oss.qualcomm.com> (raw)
In-Reply-To: <20250702-pinctrl-gpio-pinfuncs-v1-0-ed2bd0f9468d@linaro.org>
On 7/2/25 10:45 AM, Bartosz Golaszewski wrote:
> Note: this really is an RFC. Please don't spend too much time revieweing
> the code in detail. I'd like to figure out if that's a good approach at
> all first. Also: while I tested it on sm8650-qrd and sc8280xp-crd, the
> last patch cannot be applied until all Qualcomm platforms are converted.
>
> Problem: when pinctrl core binds pins to a consumer device and the
> pinmux ops of the underlying driver are marked as strict, the pin in
> question can no longer be requested as a GPIO using the GPIO descriptor
> API. It will result in the following error:
>
> [ 5.095688] sc8280xp-tlmm f100000.pinctrl: pin GPIO_25 already requested by regulator-edp-3p3; cannot claim for f100000.pinctrl:570
> [ 5.107822] sc8280xp-tlmm f100000.pinctrl: error -EINVAL: pin-25 (f100000.pinctrl:570)
I can confirm the above no longer appears on the same SC8280XP CRD with
this series applied
Konrad
next prev parent reply other threads:[~2025-07-02 11:03 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-02 8:45 Bartosz Golaszewski
2025-07-02 8:45 ` [PATCH RFC 1/5] pinctrl: allow to mark pin functions as requestable GPIOs Bartosz Golaszewski
2025-07-02 8:45 ` [PATCH RFC 2/5] pinctrl: qcom: add infrastructure for marking pin functions as GPIOs Bartosz Golaszewski
2025-07-02 8:45 ` [PATCH RFC 3/5] pinctrl: qcom: sm8650: mark the `gpio` pin function as a non-strict function Bartosz Golaszewski
2025-07-02 10:55 ` Konrad Dybcio
2025-07-02 22:50 ` Dmitry Baryshkov
2025-07-03 8:17 ` Bartosz Golaszewski
2025-07-04 16:50 ` Dmitry Baryshkov
2025-07-02 8:45 ` [PATCH RFC 4/5] pinctrl: qcom: sc8280xp: " Bartosz Golaszewski
2025-07-02 8:45 ` [PATCH RFC 5/5] pinctrl: qcom: make the pinmuxing strict Bartosz Golaszewski
2025-07-02 11:03 ` Konrad Dybcio [this message]
2025-07-03 22:39 ` [PATCH RFC 0/5] pinctrl: introduce the concept of a GPIO pin function category Linus Walleij
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