From patchwork Thu Apr 18 08:28:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13634337 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7B04CC4345F for ; Thu, 18 Apr 2024 08:29:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=V/TzkKDpDbtbO7jvH5JaDUik/gFTJd5jyJafAxiF+zA=; b=OQbcXWaW1wfZYM Feynd3BunNwonL+jq1DDWX3f5Mn1VEC/pTxOMtg1oV9oY06Mroc1L7qQm951x4rNxLQYT/N5SapNv vRKTNDxQjLBTGGHrT2IDAp6cn2IwCOh8SJhTU3BzVTMSmc2D+4Oi7qrIqRjr1CNG4uuCgCNCQDWf/ UDwBpEI3bjOegtOJu/vEFjiVL+46G2K38rO/0E8haWPciEdAZMWlLSA9Ev5jOaIL1qy11GZskYj/T EnTnhmF71ZcRzp8I+judCUjFbjvPjpHn00iA6+jS75l5M4FhWQayzDy3xHrzx9Ya66rk74lI6b2cx k4TcfV+RkDm6aUqZ5ldA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rxN8c-00000001QiQ-1MqS; Thu, 18 Apr 2024 08:28:58 +0000 Received: from madrid.collaboradmins.com ([46.235.227.194]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rxN85-00000001QNO-3KPv; Thu, 18 Apr 2024 08:28:27 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1713428904; bh=HutkkugHrqMd2uUFtowMQxRDssuoDexqUjYh9nxhXJc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JvKtv35qoPseRjB/2hvEZbs1hNjw0LR05xPPfThK3kgZmUQU1MS+erOXGidpig9AO QIOC/UrMMYlvOoyEceIp9qZuZMHhecxpqaDJinRHlYjg2J4+FUySmAgOaFRJ2Tmo5w bWoN3GpgzMB3eWrD6hGGOlGrbYHT4Ri62fy2+3FpjN0nBHzwvUpvcgzf8NhO6WytVR ihZ2whaEFIVkBUI/6nK8pFt131FvL6fHq8TrBBiSaZv0d02F5+b336IVhPXMMVZAOK YT9wEhxJ9qo4k37UAVeKALFNzImHPczuukOheuTfZgaNwK4lOeiT26/rqgPHkq73bp 0bwgiUK+nJhiA== Received: from IcarusMOD.eternityproject.eu (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 132E73782149; Thu, 18 Apr 2024 08:28:23 +0000 (UTC) From: AngeloGioacchino Del Regno To: djakov@kernel.org Cc: robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, lgirdwood@gmail.com, broonie@kernel.org, keescook@chromium.org, gustavoars@kernel.org, henryc.chen@mediatek.com, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, kernel@collabora.com, wenst@chromium.org, amergnat@baylibre.com Subject: [PATCH v3 5/7] regulator: Remove mtk-dvfsrc-regulator.c Date: Thu, 18 Apr 2024 10:28:10 +0200 Message-ID: <20240418082812.152270-6-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240418082812.152270-1-angelogioacchino.delregno@collabora.com> References: <20240418082812.152270-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240418_012825_973840_6AE7192E X-CRM114-Status: GOOD ( 15.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This driver never worked, and never got even compiled, because it was missing the DVFSRC driver entirely, including headers it relies on! In preparation of a full refactoring of this driver, remove it. The Makefile and Kconfig entries are retained, as those are reused as-is for the refactored code. Signed-off-by: AngeloGioacchino Del Regno --- drivers/regulator/mtk-dvfsrc-regulator.c | 214 ----------------------- 1 file changed, 214 deletions(-) delete mode 100644 drivers/regulator/mtk-dvfsrc-regulator.c diff --git a/drivers/regulator/mtk-dvfsrc-regulator.c b/drivers/regulator/mtk-dvfsrc-regulator.c deleted file mode 100644 index f1280d45265d..000000000000 --- a/drivers/regulator/mtk-dvfsrc-regulator.c +++ /dev/null @@ -1,214 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -// -// Copyright (c) 2020 MediaTek Inc. - -#include -#include -#include -#include -#include -#include -#include -#include - -#define DVFSRC_ID_VCORE 0 -#define DVFSRC_ID_VSCP 1 - -#define MT_DVFSRC_REGULAR(match, _name, _volt_table) \ -[DVFSRC_ID_##_name] = { \ - .desc = { \ - .name = match, \ - .of_match = of_match_ptr(match), \ - .ops = &dvfsrc_vcore_ops, \ - .type = REGULATOR_VOLTAGE, \ - .id = DVFSRC_ID_##_name, \ - .owner = THIS_MODULE, \ - .n_voltages = ARRAY_SIZE(_volt_table), \ - .volt_table = _volt_table, \ - }, \ -} - -/* - * DVFSRC regulators' information - * - * @desc: standard fields of regulator description. - * @voltage_selector: Selector used for get_voltage_sel() and - * set_voltage_sel() callbacks - */ - -struct dvfsrc_regulator { - struct regulator_desc desc; -}; - -/* - * MTK DVFSRC regulators' init data - * - * @size: num of regulators - * @regulator_info: regulator info. - */ -struct dvfsrc_regulator_init_data { - u32 size; - struct dvfsrc_regulator *regulator_info; -}; - -static inline struct device *to_dvfsrc_dev(struct regulator_dev *rdev) -{ - return rdev_get_dev(rdev)->parent; -} - -static int dvfsrc_set_voltage_sel(struct regulator_dev *rdev, - unsigned int selector) -{ - struct device *dvfsrc_dev = to_dvfsrc_dev(rdev); - int id = rdev_get_id(rdev); - - if (id == DVFSRC_ID_VCORE) - mtk_dvfsrc_send_request(dvfsrc_dev, - MTK_DVFSRC_CMD_VCORE_REQUEST, - selector); - else if (id == DVFSRC_ID_VSCP) - mtk_dvfsrc_send_request(dvfsrc_dev, - MTK_DVFSRC_CMD_VSCP_REQUEST, - selector); - else - return -EINVAL; - - return 0; -} - -static int dvfsrc_get_voltage_sel(struct regulator_dev *rdev) -{ - struct device *dvfsrc_dev = to_dvfsrc_dev(rdev); - int id = rdev_get_id(rdev); - int val, ret; - - if (id == DVFSRC_ID_VCORE) - ret = mtk_dvfsrc_query_info(dvfsrc_dev, - MTK_DVFSRC_CMD_VCORE_LEVEL_QUERY, - &val); - else if (id == DVFSRC_ID_VSCP) - ret = mtk_dvfsrc_query_info(dvfsrc_dev, - MTK_DVFSRC_CMD_VSCP_LEVEL_QUERY, - &val); - else - return -EINVAL; - - if (ret != 0) - return ret; - - return val; -} - -static const struct regulator_ops dvfsrc_vcore_ops = { - .list_voltage = regulator_list_voltage_table, - .get_voltage_sel = dvfsrc_get_voltage_sel, - .set_voltage_sel = dvfsrc_set_voltage_sel, -}; - -static const unsigned int mt8183_voltages[] = { - 725000, - 800000, -}; - -static struct dvfsrc_regulator mt8183_regulators[] = { - MT_DVFSRC_REGULAR("dvfsrc-vcore", VCORE, - mt8183_voltages), -}; - -static const struct dvfsrc_regulator_init_data regulator_mt8183_data = { - .size = ARRAY_SIZE(mt8183_regulators), - .regulator_info = &mt8183_regulators[0], -}; - -static const unsigned int mt6873_voltages[] = { - 575000, - 600000, - 650000, - 725000, -}; - -static struct dvfsrc_regulator mt6873_regulators[] = { - MT_DVFSRC_REGULAR("dvfsrc-vcore", VCORE, - mt6873_voltages), - MT_DVFSRC_REGULAR("dvfsrc-vscp", VSCP, - mt6873_voltages), -}; - -static const struct dvfsrc_regulator_init_data regulator_mt6873_data = { - .size = ARRAY_SIZE(mt6873_regulators), - .regulator_info = &mt6873_regulators[0], -}; - -static const struct of_device_id mtk_dvfsrc_regulator_match[] = { - { - .compatible = "mediatek,mt8183-dvfsrc", - .data = ®ulator_mt8183_data, - }, { - .compatible = "mediatek,mt8192-dvfsrc", - .data = ®ulator_mt6873_data, - }, { - .compatible = "mediatek,mt6873-dvfsrc", - .data = ®ulator_mt6873_data, - }, { - /* sentinel */ - }, -}; -MODULE_DEVICE_TABLE(of, mtk_dvfsrc_regulator_match); - -static int dvfsrc_vcore_regulator_probe(struct platform_device *pdev) -{ - const struct of_device_id *match; - struct device *dev = &pdev->dev; - struct regulator_config config = { }; - struct regulator_dev *rdev; - const struct dvfsrc_regulator_init_data *regulator_init_data; - struct dvfsrc_regulator *mt_regulators; - int i; - - match = of_match_node(mtk_dvfsrc_regulator_match, dev->parent->of_node); - - if (!match) { - dev_err(dev, "invalid compatible string\n"); - return -ENODEV; - } - - regulator_init_data = match->data; - - mt_regulators = regulator_init_data->regulator_info; - for (i = 0; i < regulator_init_data->size; i++) { - config.dev = dev->parent; - config.driver_data = (mt_regulators + i); - rdev = devm_regulator_register(dev, &(mt_regulators + i)->desc, - &config); - if (IS_ERR(rdev)) { - dev_err(dev, "failed to register %s\n", - (mt_regulators + i)->desc.name); - return PTR_ERR(rdev); - } - } - - return 0; -} - -static struct platform_driver mtk_dvfsrc_regulator_driver = { - .driver = { - .name = "mtk-dvfsrc-regulator", - .probe_type = PROBE_PREFER_ASYNCHRONOUS, - }, - .probe = dvfsrc_vcore_regulator_probe, -}; - -static int __init mtk_dvfsrc_regulator_init(void) -{ - return platform_driver_register(&mtk_dvfsrc_regulator_driver); -} -subsys_initcall(mtk_dvfsrc_regulator_init); - -static void __exit mtk_dvfsrc_regulator_exit(void) -{ - platform_driver_unregister(&mtk_dvfsrc_regulator_driver); -} -module_exit(mtk_dvfsrc_regulator_exit); - -MODULE_AUTHOR("Arvin wang "); -MODULE_LICENSE("GPL v2");