From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B67B217F505; Mon, 30 Sep 2024 08:57:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727686624; cv=none; b=GzUBKqOikmAGit9I/eOo1Ky0AZtamMBWEkQDfdiLRXOnNMHTDlraaqj071GDpR4dGM9hJXnvorki2vv32YlgIndVVbQKFW+C8b6x87w/Wo2TN32OjuF+/UY3CmxXJ7t4liZ85XYh9wmqPT6MiV0COpKkzSpO8I7tKySQwAx1zEA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727686624; c=relaxed/simple; bh=1Wz1b+aWVRLx1CDCw9KifBrN59wS+Rx3ztAM1uWIgvM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=CkkCqiGGWXid9vdqLo64fAtTPUU61EvYWqkKX+/MzIfAQIP+unqmxT8qTUjO8KWxRISuPvEis6gpmEhL2FKjRAleuKLIt46iYQYDfdVr1DAi5dBHMubpwWa5B3Ej5sGE/WqPkxYBZrYzS++Xc/wDFmIgzejTxaWLofLIskST2U0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=NwvMWhBK; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="NwvMWhBK" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1727686621; bh=1Wz1b+aWVRLx1CDCw9KifBrN59wS+Rx3ztAM1uWIgvM=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=NwvMWhBKgOhb2wTuDuLJhlE4paPhhxKWACA+v+Cid6YECRLIJlhBlpF7m6YryRsxS FHRy0VmMs5bvpenWE3gf0k4buEaA1WRmqOOiYKBVUWmam6ROs0j1xB/K4rl9LoWfZO vOCI4sXRPcapSLY7BnPygOtdatFDSr0X/vT8w8CZAg/8GST/o+mMexGIjM7J7/TDvf 9ygaDTU+2BtuWlYVxiP1+imn4XI73J/vxVxTXnvou9QjfvSpuat+YlCmO+wzt+nvXD 7UsPQaON2MeHhOoTf+y4L3IyWeAjNY9fztGhvrHaCr3soaGQ0kBccrfFxgeJ1NKeGf EXiGAp/vpu4Dw== Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id 9319117E0EB3; Mon, 30 Sep 2024 10:57:00 +0200 (CEST) Message-ID: <70779c00-7f2a-4038-9241-b8bb2004948f@collabora.com> Date: Mon, 30 Sep 2024 10:57:00 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v9 2/3] regulator: Add devres version of of_regulator_get_optional() To: Chen-Yu Tsai , Ulf Hansson , Matthias Brugger , Mark Brown Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Douglas Anderson , Johan Hovold , Andy Shevchenko , Pablo Sun , Macpaul Lin , Sebastian Reichel References: <20240930044525.2043884-1-wenst@chromium.org> <20240930044525.2043884-3-wenst@chromium.org> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <20240930044525.2043884-3-wenst@chromium.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Il 30/09/24 06:45, Chen-Yu Tsai ha scritto: > There are existing uses for a devres version of of_regulator_get_optional() > in power domain drivers. On MediaTek platforms, power domains may have > regulator supplies tied to them. The driver currently tries to use > devm_regulator_get() to not have to manage the lifecycle, but ends up > doing it in a very hacky way by replacing the device node of the power > domain controller device to the device node of the power domain that is > currently being registered, getting the supply, and reverting the device > node. > > Provide a better API so that the hack can be replaced. > > Signed-off-by: Chen-Yu Tsai Reviewed-by: AngeloGioacchino Del Regno