From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr2-f12.google.com (mail-wr2-f12.google.com [74.125.225.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D39E74A5C56 for ; Fri, 18 Sep 2026 14:10:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.225.76 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789740642; cv=none; b=kLR0nClTCc7R+bectBd4HVwo//a8dhnoP9xYQnEpTM/qocjRjQtkOGBEOT5RVYOWfK8W64DOguRbbmFUsA0DoUWjHemDiBfAk5qoMOpPcxgV5HfTSdAMzO+aCOQVpYx5HvyfsXLdedvHp214iCmnthr9opbDl7fpChGFP8ficek= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789740642; c=relaxed/simple; bh=QhI6LeFxTm/qovlqSwdUWnrMKxHe3UnMO0Nc81h2kn0=; h=Message-ID:Date:MIME-Version:From:Subject:To:Cc:References: In-Reply-To:Content-Type; b=Bw7fLHZNRvKokuWk45G1N+oqQQym9VVwHxjBQpCIXVtEvEYUOH/qxBJ8zrYgOklimKIR2OBBdeHO8N/5TsZVAD0v0HWbut2hDBIExoS9bVm/TO7rWLCq1y0OCiJ6C+h63WZdRsi18HqZNRXPasfwtbT3p7N3Z1cgGQeqO9VhDlc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=pZ87H3Zd; arc=none smtp.client-ip=74.125.225.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="pZ87H3Zd" Received: by mail-wr2-f12.google.com with SMTP id ffacd0b85a97d-482f633cd78so448942f8f.1 for ; Fri, 18 Sep 2026 07:10:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1789740638; x=1790345438; darn=vger.kernel.org; h=content-transfer-encoding:content-type:in-reply-to:organization :autocrypt:content-language:references:cc:to:subject:reply-to:from :user-agent:mime-version:date:message-id:from:to:cc:subject:date :message-id:reply-to:content-type; bh=ag22kdu60S2tiS+0TDNZ2UzgJJwu6JX3v9tYF3dxCv8=; b=pZ87H3ZdPgw7UYe+qXZu87isLGTgA75IHR4JFc2BxZ/O91Hn0IRBbxJ+75uIHy0oom WiwHE+XwakLudO478ayvrbcH4E8lo1B/CMsxwX4auwlnj088/GFs01HzdRqT1d87JkFo kfaq1H7WD/QcbkDCX4vBf0uVOY1xxrYJXqbYclX7b14FjBMqyOB0T2bBdhaanDOdwOyh mhOVQ+lgyEFw2Ny+KUDk9RSqakXxqDRH9hKFM1+CntMefv2/3YvkeuObmvNDZNmTbGmU 6GM8Veyk7jN6qOe7RtkBHeCKnU5t2yvXRNhmX/zBvqAkL+FViY8GNWQLtYDac3qx3NOE Ro7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1789740638; x=1790345438; h=content-transfer-encoding:content-type:in-reply-to:organization :autocrypt:content-language:references:cc:to:subject:reply-to:from :user-agent:mime-version:date:message-id:x-gm-gg:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to:content-type; bh=ag22kdu60S2tiS+0TDNZ2UzgJJwu6JX3v9tYF3dxCv8=; b=oqFhbA0MvWQC1Sef8d9dgULgqDb61ohRwTbKG+oE0L0npu+O7knstCaREv8zMWGh73 9IhcVqj4kUZEE/xJUGF7ZnerDZmBRq62sUOVPk1ZGzbesJ9RRUtmTLe9DY+Dw6g8vh7V qOrDHGHJNWiCKISsKwOFfZ5ywhXv5uCMb9ZRkCuBbGg+SxJUiAI/8j/V+jLKFz96Evo2 pjA1vIxnWomqhXSJx3PnOyBldOi741HdvZL8M64fYQO3bYU1MMBmq8xGEvRy0Z1tY62+ 74qxpTyFyGCT6mNn0qvDVxqfzohBvWtymmW87lIaSE9F7E/wAm0dx+OzqsrbBRqxFL1n xJTA== X-Forwarded-Encrypted: i=1; AKwUvByeF6M3YvYXkUy2PwJW5S1+i7CzcsoOfKTb3xSKGxzdtDGPqpe2A8BQdjw063KGb1HUqNoVf+Ycs6RW@vger.kernel.org X-Gm-Message-State: AFuF++lWtYuEbpJ5BfJppm78FKofVYp1rgdfLcmwuyeBZvo5GEtcFI4v rsG09AnkoZ5Vr6hO8nltAcZxQO1EyDQm70IFgPd+YPEfeTU4l/QUw4neQ76jdvZlwSw= X-Gm-Gg: AYBFou2tTy0+GmyVXmBBmPyeXu+Tv/Pn86qfinyVYQoWtko2U8tLpmdPIhNPlXt0TdQ T5OnAFXXv/RVRV9AYAqMXzwFVWDK71GANo9vrHhii4vVGQYDqIO6R7npACjjZQA7/MATi7xynzm 7m6hu4DPbYJeuo/SqrPbwTqR3lXORnN7H3f3bEIjpLq7Vep3ZBodqy1K7tZOqErNV7vodqrag0t 4bHYKE1lSVzsNbC7b+/xNMkyGuKtf6pIkeOYM+u+Ucc2+Du/xXEIa3Nap7YR790IkaT5TFtsSNV 7JFCxwGsttQzHrPLD2xrHD+XMAZg43boRt9m/5h/g0Nn7juEdTKiSu8CYO+r7NJoH+M29n8UBEl OoL3giSyTC2okJ3JP/q/UqxGb3dYir6iL4sgjS3tvH3ogsJDQu7hb+HCLQtPOMTehAFY2BlgEj9 lq9Kj7p5c2G0+3rkeR4s0d495I5xhgRsExqb9X486RDH43d6Jz0pNaBYdPQn6KgD2H8eYTIHZ2+ rhFiBHdUZcxtZ8/Leatc+onRb826Q69QD2NFk7oJF6A0etoAeLiKw== X-Received: by 2002:a05:6000:2c06:b0:486:f767:8be0 with SMTP id ffacd0b85a97d-4871e216279mr3726790f8f.12.1789740637955; Fri, 18 Sep 2026 07:10:37 -0700 (PDT) Received: from ?IPV6:2a01:e0a:106d:1080:c55f:cb91:1ca5:54dc? ([2a01:e0a:106d:1080:c55f:cb91:1ca5:54dc]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4872008118dsm5045419f8f.30.2026.09.18.07.10.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 18 Sep 2026 07:10:37 -0700 (PDT) Message-ID: Date: Fri, 18 Sep 2026 16:10:36 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Neil Armstrong Reply-To: Neil Armstrong Subject: Re: [PATCH v20 3/6] phy: core: Add devm_phy_get_by_of_node() To: Bryan O'Donoghue , Bjorn Andersson , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Robert Foss , Todor Tomov , Mauro Carvalho Chehab , Konrad Dybcio , Vladimir Zapolskiy , Bryan O'Donoghue , Loic Poulain , Vinod Koul , Greg Kroah-Hartman , Kishon Vijay Abraham I , Felipe Balbi , Manivannan Sadhasivam Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-phy@lists.infradead.org, Krzysztof Kozlowski , Manivannan Sadhasivam References: <20260918-b4-linux-next-25-03-13-dtsi-x1e80100-camss-v20-0-dc244e124e71@linaro.org> <20260918-b4-linux-next-25-03-13-dtsi-x1e80100-camss-v20-3-dc244e124e71@linaro.org> Content-Language: en-US, fr Autocrypt: addr=neil.armstrong@linaro.org; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKk5laWwgQXJtc3Ryb25nIDxuZWlsLmFybXN0cm9uZ0BsaW5hcm8ub3JnPsLAkQQTAQoA OwIbIwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgBYhBInsPQWERiF0UPIoSBaat7Gkz/iuBQJk Q5wSAhkBAAoJEBaat7Gkz/iuyhMIANiD94qDtUTJRfEW6GwXmtKWwl/mvqQtaTtZID2dos04 YqBbshiJbejgVJjy+HODcNUIKBB3PSLaln4ltdsV73SBcwUNdzebfKspAQunCM22Mn6FBIxQ GizsMLcP/0FX4en9NaKGfK6ZdKK6kN1GR9YffMJd2P08EO8mHowmSRe/ExAODhAs9W7XXExw UNCY4pVJyRPpEhv373vvff60bHxc1k/FF9WaPscMt7hlkbFLUs85kHtQAmr8pV5Hy9ezsSRa GzJmiVclkPc2BY592IGBXRDQ38urXeM4nfhhvqA50b/nAEXc6FzqgXqDkEIwR66/Gbp0t3+r yQzpKRyQif3OwE0ETVkGzwEIALyKDN/OGURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYp QTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXMcoJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+ SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hiSvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY 4yG6xI99NIPEVE9lNBXBKIlewIyVlkOaYvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoM Mtsyw18YoX9BqMFInxqYQQ3j/HpVgTSvmo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUX oUk33HEAEQEAAcLAXwQYAQIACQUCTVkGzwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfn M7IbRuiSZS1unlySUVYu3SD6YBYnNi3G5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa3 3eDIHu/zr1HMKErm+2SD6PO9umRef8V82o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCS KmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy 4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJC3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTT QbM0WUIBIcGmq38+OgUsMYu4NzLu7uZFAcmp6h8g Organization: Linaro In-Reply-To: <20260918-b4-linux-next-25-03-13-dtsi-x1e80100-camss-v20-3-dc244e124e71@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 9/18/26 15:56, Bryan O'Donoghue wrote: > Add a devm variant of phy_get_by_of_node() to allow for the familiar > pattern of having devres automatically release resources on the driver's > exit path. > > Reviewed-by: Manivannan Sadhasivam > Signed-off-by: Bryan O'Donoghue > --- > drivers/phy/phy-core.c | 34 ++++++++++++++++++++++++++++++++++ > include/linux/phy/phy.h | 7 +++++++ > 2 files changed, 41 insertions(+) > > diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c > index 42c27a2b45159..f0d2b50d1c76b 100644 > --- a/drivers/phy/phy-core.c > +++ b/drivers/phy/phy-core.c > @@ -1048,6 +1048,40 @@ struct phy *phy_get_by_of_node(struct device_node *np) > } > EXPORT_SYMBOL_GPL(phy_get_by_of_node); > > +/** > + * devm_phy_get_by_of_node() - devm managed lookup and obtain phy reference by device node > + * @dev: device requesting the PHY > + * @np: device_node of the PHY provider > + * > + * Returns: phy associated with the device_node or ERR_PTR. devres manages > + * releasing resources. > + */ > +struct phy *devm_phy_get_by_of_node(struct device *dev, struct device_node *np) > +{ > + struct phy **ptr, *phy; > + struct device_link *link; > + > + ptr = devres_alloc(devm_phy_release, sizeof(*ptr), GFP_KERNEL); > + if (!ptr) > + return ERR_PTR(-ENOMEM); > + > + phy = phy_get_by_of_node(np); > + if (IS_ERR(phy)) { > + devres_free(ptr); > + return phy; > + } > + > + *ptr = phy; > + devres_add(dev, ptr); > + link = device_link_add(dev, &phy->dev, DL_FLAG_STATELESS); > + if (!link) > + dev_dbg(dev, "failed to create device link to %s\n", > + dev_name(phy->dev.parent)); > + > + return phy; > +} > +EXPORT_SYMBOL_GPL(devm_phy_get_by_of_node); > + > /** > * phy_create() - create a new phy > * @dev: device that is creating the new phy > diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h > index 71c2e16397130..14b924a88411f 100644 > --- a/include/linux/phy/phy.h > +++ b/include/linux/phy/phy.h > @@ -285,6 +285,7 @@ struct phy *devm_of_phy_optional_get(struct device *dev, struct device_node *np, > struct phy *devm_of_phy_get_by_index(struct device *dev, struct device_node *np, > int index); > struct phy *phy_get_by_of_node(struct device_node *np); > +struct phy *devm_phy_get_by_of_node(struct device *dev, struct device_node *np); > void of_phy_put(struct phy *phy); > void phy_put(struct device *dev, struct phy *phy); > void devm_phy_put(struct device *dev, struct phy *phy); > @@ -499,6 +500,12 @@ static inline struct phy *phy_get_by_of_node(struct device_node *np) > return ERR_PTR(-ENOSYS); > } > > +static inline struct phy *devm_phy_get_by_of_node(struct device *dev, > + struct device_node *np) > +{ > + return ERR_PTR(-ENOSYS); > +} > + > static inline void of_phy_put(struct phy *phy) > { > } > Reviewed-by: Neil Armstrong Thanks, Neil