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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konrad.dybcio@linaro.org>,
	Srinivas Kandagatla <srinivas.kandagatla@linaro.org>,
	Banajit Goswami <bgoswami@quicinc.com>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
	linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org,
	linux-sound@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Cc: Bartosz Golaszewski <brgl@bgdev.pl>,
	Sean Anderson <sean.anderson@seco.com>
Subject: Re: [PATCH 2/4] reset: add GPIO-based reset controller
Date: Fri, 22 Dec 2023 16:08:38 +0100	[thread overview]
Message-ID: <546a4278-ecff-44a1-9d06-d2c1e35aa4f1@linaro.org> (raw)
In-Reply-To: <20231222150133.732662-3-krzysztof.kozlowski@linaro.org>

On 22/12/2023 16:01, Krzysztof Kozlowski wrote:
> Add simple driver to control GPIO-based resets using the reset
> controller API for the cases when the GPIOs are shared and reset should
> be coordinated.  The driver is expected to be used by reset core
> framework for ad-hoc reset controllers.

...

> +
> +	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
> +	if (!priv)
> +		return -ENOMEM;
> +
> +	platform_set_drvdata(pdev, &priv->rc);
> +	device_set_node(dev, of_fwnode_handle(*platdata));
> +
> +	/*
> +	 * Need to get non-exclusive because it is used in reset core as cookie
> +	 * to find existing controllers.  However the actual use is exclusive.
> +	 */

This comment is a left-over of my work-in-progress and it is not
accurate anymore. Exclusive GPIOs are not used, which should make
Bartosz happy!

I will remove it in v2.


Best regards,
Krzysztof


  reply	other threads:[~2023-12-22 15:08 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-22 15:01 [PATCH 0/4] reset: gpio: ASoC: shared GPIO resets Krzysztof Kozlowski
2023-12-22 15:01 ` [PATCH 1/4] reset: instantiate reset GPIO controller for shared reset-gpios Krzysztof Kozlowski
2023-12-22 17:31   ` Bartosz Golaszewski
2023-12-27 12:35     ` Krzysztof Kozlowski
2023-12-27 19:13       ` Bartosz Golaszewski
2023-12-22 15:01 ` [PATCH 2/4] reset: add GPIO-based reset controller Krzysztof Kozlowski
2023-12-22 15:08   ` Krzysztof Kozlowski [this message]
2023-12-28 16:05   ` Sean Anderson
2024-01-04  8:57     ` Krzysztof Kozlowski
2024-01-04 16:04       ` Sean Anderson
2024-01-04 16:08         ` Krzysztof Kozlowski
2024-01-04 16:30           ` Sean Anderson
2024-01-04 19:08             ` Krzysztof Kozlowski
2024-01-05 14:31               ` Philipp Zabel
2024-01-09  9:41                 ` Krzysztof Kozlowski
2024-01-09 15:51                   ` Sean Anderson
2024-01-05 14:33               ` Mark Brown
2024-01-06 15:32                 ` Krzysztof Kozlowski
2024-01-04 16:11         ` Krzysztof Kozlowski
2023-12-22 15:01 ` [PATCH 3/4] ASoC: dt-bindings: qcom,wsa8840: Add reset-gpios for shared line Krzysztof Kozlowski
2023-12-22 15:16   ` Krzysztof Kozlowski
2023-12-22 16:18   ` Rob Herring
2023-12-22 15:01 ` [PATCH 4/4] ASoC: codecs: wsa884x: Allow sharing reset GPIO Krzysztof Kozlowski
2023-12-22 15:22   ` Krzysztof Kozlowski
2023-12-22 15:09 ` [PATCH 0/4] reset: gpio: ASoC: shared GPIO resets Krzysztof Kozlowski
2023-12-22 15:18 ` Mark Brown
  -- strict thread matches above, loose matches on Subject: below --
2024-02-29 17:26 [PATCH 2/4] reset: add GPIO-based reset controller Tim Harvey
2024-02-29 17:45 ` Krzysztof Kozlowski

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